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- Ultrasonic Non Destructive Testing Characterization of Condensed Materials
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Journal of Pure and Applied Ultrasonics, Vol 38, No 3 (2016), Pagination: 88-88Abstract
This thesis is a theoretical study for the characterization of materials having NaCl-type structure. For characterization of the materials, its elastic behaviour and mechanical properties are analyzed. Since propagation of ultrasonic waves through a medium is the characteristic of the medium, the ultrasonic velocity and attenuation coefficient for the waves give the idea about the thermophysical properties of the material.Full Text
- Ultrasonic Study of Smart Materials for Engineering Applications
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Journal of Pure and Applied Ultrasonics, Vol 38, No 2 (2016), Pagination: 47-47Abstract
This Ph.D. thesis focused on thermo-acoustic properties of smart materials. The thesis presented theoretical studies of higher order elastic constants, mechanical parameters like Young modulus, bulk modulus, shear modulus, tetragonal modulus, Cauchy's relations, Zener anisotropy, ultrasonic velocity, ultrasonic Grüneisen parameters, non- linearity parameters and ultrasonic attenuation coefficients.Full Text
- Kuppili Trinath:A Profile
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Journal of Pure and Applied Ultrasonics, Vol 38, No 2 (2016), Pagination: 48-48Abstract
Dr. Kuppili Trinath obtained Ph.D (Physics) degree in the field of Acoustic Sensors for Underwater Applicationsfrom Andhra University, Visakhapatnam. He joined DRDO at Naval Physical and Oceanographic Laboratory (NPOL), Kochi and worked in Naval Science and Technological Laboratory (NSTL), Visakhapatnam since 1981. He was Associate Director (Scientist G) and Head of the Sensors and Acoustic Division. He was responsible for the Design and Development of Acoustic Sensors for Underwater vehicles and was in-charge of the Underwater Acoustic Transducer Testing Facility as well.Full Text
- Tushya Kumar Saxena:A Profile
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Journal of Pure and Applied Ultrasonics, Vol 38, No 2 (2016), Pagination: 48-48Abstract
Dr. T.K. Saxena, obtained degrees in B.Sc. (Hons.) and M.Sc. both in Physics from Delhi University in1974 and 1976 respectively. He obtained his Ph.D. Degree also from Delhi University in 1981 for his work inthe area of Semiconductor Physics, done under the guidance of Prof. P. C. Mathur. After working as Research Associate at Delhi University during 1981-82, he joined NPL as Scientist 'B' 1982. He was Head, Acoustics, Ultrasonics and Vibrations (AUV) standards and Electronic and Instrumentation Cell at CSIR-National Physical Laboratory, New Delhi.Full Text
- New Members (List Continued After 2008)
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Journal of Pure and Applied Ultrasonics, Vol 38, No 1 (2016), Pagination: 28-28Abstract
* Honorary Fellow.
* Life Members.
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- Ultrasonic Nondestructive Evaluation of Type 316 Austenitic Stainless Steel by Time-Frequency Analysis Methods
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Journal of Pure and Applied Ultrasonics, Vol 39, No 1 (2017), Pagination: 34-34Abstract
The primary aim of the ultrasonic non-destructive investigations carried out in this thesis is to develop various time-frequency based signal processing methodologies to analyse ultrasonic signals for enhanced microstructural characterisation and imaging of defects in type 316 austenitic stainless steel.Full Text
- Thermodynamic Study of Some Tannins Using Ultrasonic Measurements
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Journal of Pure and Applied Ultrasonics, Vol 39, No 2 (2017), Pagination: 70-70Abstract
This thesis deals with thermodynamic study of binary liquid mixture of some tannins like Gallic acid, Tannic acid and Ellagic acid with ethanol and acetone at 2 MHz and 4 MHz over the entire range of composition and at temperatures 298K, 303K, 308K and 313K.Full Text
- Anomalies of Ultrasonic Velocities and Elastic Properties in R1-XAXMnO3 Perovskite Manganite Materials
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Journal of Pure and Applied Ultrasonics, Vol 39, No 3 (2017), Pagination: 102-102Abstract
In this research work, the scholar prepared mixed valent perovskite materials with the general formula La1-XAXMnO3 (A-calcium, sodium and gadolinium) with different values of x using solid state reaction technique. He explored the structural and morphological characteristics such as crystal structure, crystalline size and size of particles of the prepared samples employing studies such as x-ray diffraction (XRD)and scanning electron microscope (SEM). He confirmed the elemental composition of the prepared perovskite samples with the obtained energy dispersive x-ray spectrometrypatterns.Full Text
- Systematic Studies of Phase Separation in Perovskite Magnetic Materials by Measuring Ultrasound Velocities and Attenuation
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Journal of Pure and Applied Ultrasonics, Vol 39, No 4 (2017), Pagination: 132-132Abstract
The effect of doping materials on structural/magnetic transition temperatures has been explored in the lanthanum perovskite materials (La-MnO3/CrO3) at different concentrations at both the lanthanum and in the Mn/Cr sites. The mixed valent perovskite materials with the general formula La1-xAxBO3 (A-Barium and Gadolinium and B-Manganese and Chromium) using different values of x using solid state reaction technique.Full Text
- Dr.T.K.Saksena Memorial Award For Distinguished Research
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Journal of Pure and Applied Ultrasonics, Vol 31, No 2 (2009), Pagination: 83-83Abstract
The "Dr. T.K. Saksena Memorial Award for Distinguished Research" has been instituted by the Ultrasonics Society of India, to recognize young researchers, who have made distinctive research contribution in the field of ultrasonics and allied areas. The award is initiated and sponsored by Dr. Skand Saksena, son of late Dr. Tribhuwan Kumar Saksena (01.11.1934-23.12.2008), whose pioneer contributions in the field of ultrasonics are milestones.Full Text
- NDE of High Temperature Stainless Steel Used in Biomass Gasifier
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Authors
S. Raja Karthihan
1,
T. M. Haridasan
2,
P. Palanichamy
3,
C. K. Mukopadhyay
3,
P. Kalyanasundaram
3,
Affiliations
1 Department of Physics, Sethu Institute of Technology, Kariapatti-626106, IN
2 School of Energy, Madurai Kamaraj University, Madurai-625021, IN
3 Division for PIE & NDT Development, Indira Gandhi Center for Atomic Research, Kalpakkam-603102, IN
1 Department of Physics, Sethu Institute of Technology, Kariapatti-626106, IN
2 School of Energy, Madurai Kamaraj University, Madurai-625021, IN
3 Division for PIE & NDT Development, Indira Gandhi Center for Atomic Research, Kalpakkam-603102, IN
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Journal of Pure and Applied Ultrasonics, Vol 30, No 1 (2008), Pagination: 1-7Abstract
A biomass gasifier was in operation for sometime and later failed near the weld portion. A portion of the sample near the failed region was cut and used for this investigation. Study based on ultrasonic velocity measurements, metallography and X-ray diffraction was carried out at different portions of samples of stainless steel used in the biomass gasifier. Precise ultrasonic velocity measurements were performed by pulse echo method using cross correlation technique. Longitudinal ultrasonic wave generating probes of 5 and 20 MHz were used. It is found that there is an increase in ultrasonic velocity in samples obtained from the exposed portion as compared to the virgin samples. Metallographic studies revealed that there is a microstructural reformation taking place due to prolonged temperature treatment at the regions away from the failed portion. Very near the failed portion, there is intergranular type crack propagation as a result of partial sensitization and embrittlement. X-ray diffraction study is in support of the metallographic observations. The increase in ultrasonic velocities in service exposed specimen with and without intergranular cracks was attributed to the continuous changes taking place in the microstructures. It is suggested that periodic monitoring of the critical parts especially the combustion zone by NDE techniques would help avoid premature failure of the biomass gasifier plant.Keywords
Ultrasonic Measurements, Biomass Gasifier, AISI Type 310 Stainless Steel, Microstructures, Characterization.Full Text
- Awards Instituted by Ultrasonics Society of India
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Journal of Pure and Applied Ultrasonics, Vol 30, No 1 (2008), Pagination: 43-43Abstract
The Ultrasonics Society of India (USI) has instituted the following two best paper awards. The
award shall carry a certificate and a memento.
* Dr. S. Parthasarathy Award.
* Dr. M. Pancholy Award.
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- Information for Authors
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JOURNAL OF PURE AND APPLIED ULTRASONICS welcomes original research papers and articles related to the subject of ultrasonics. The contributions may be in the areas of physical ultrasonics, medical ultrasonics, ultrasonic non-destructive evaluation including NDT, high power ultrasonics, underwater acoustics, ultrasonic transducers, transducer materials & devices and any other related topic. These may fall into one of the following categories.
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Journal of Pure and Applied Ultrasonics, Vol 34, No 4 (2012), Pagination: 68-68Abstract
1. Type of Contribution:JOURNAL OF PURE AND APPLIED ULTRASONICS welcomes original research papers and articles related to the subject of ultrasonics. The contributions may be in the areas of physical ultrasonics, medical ultrasonics, ultrasonic non-destructive evaluation including NDT, high power ultrasonics, underwater acoustics, ultrasonic transducers, transducer materials & devices and any other related topic. These may fall into one of the following categories.
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- Behavioral Study of Ultrasound Wave Propagation in Biological Tissues
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Journal of Pure and Applied Ultrasonics, Vol 34, No 4 (2012), Pagination: 93-93Abstract
The biological tissue has a complex structure which shows an unpredictable behavior for ultrasonic waves. The acoustical properties of various tissues are different and phenomenon like scattering diffraction, attenuation and nonlinearity. The nonlinearity leads to the distortion of the transmitted beam while spreading energy in higher harmonics, and images are acquired preferably by receiving those of second harmonic, known as tissue harmonic imaging (THI). The harmonic image often demonstrates improved contrast resolution due to higher harmonic frequencies and therefore detects smaller objects. High frequencies are, however, attenuated more in biological tissues as the beam propagates, leading to reduced depth of penetration inside the objects under scan. A new imaging technique named "super-harmonic imaging" (SHI) has been proposed recently. It takes advantage of the higher harmonics (third to fifth) arises from nonlinear propagation. It provides further enhancement in resolution with acceptable penetration depth and signal-to-noise ratio (SNR). The dedicated phased array transducer and propagation model that enables the full exploitation of SHI are the topics of ongoing research.Full Text
- Author Index
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Journal of Pure and Applied Ultrasonics, Vol 34, No 4 (2012), Pagination: 94-94Abstract
* Arumugam S.
* Aswale Shashikant R.
* Aswale Sunanda S.
* Bhandakkar V.D.
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- Information for Authors
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JOURNAL OF PURE AND APPLIED ULTRASONICS welcomes original research papers and articles related to the subject of ultrasonics. The contributions may be in the areas of physical ultrasonics, medical ultrasonics, ultrasonic non-destructive evaluation including NDT, high power ultrasonics, underwater acoustics, ultrasonic transducers, transducer materials & devices and any other related topic. These may fall into one of the following categories.
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Journal of Pure and Applied Ultrasonics, Vol 34, No 1 (2012), Pagination: 2-2Abstract
1. Type of ContributionJOURNAL OF PURE AND APPLIED ULTRASONICS welcomes original research papers and articles related to the subject of ultrasonics. The contributions may be in the areas of physical ultrasonics, medical ultrasonics, ultrasonic non-destructive evaluation including NDT, high power ultrasonics, underwater acoustics, ultrasonic transducers, transducer materials & devices and any other related topic. These may fall into one of the following categories.
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- Dr. T K Saksena Memorial Award
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Journal of Pure and Applied Ultrasonics, Vol 34, No 1 (2012), Pagination: 25-25Abstract
Dr. T K Saksena Memorial Award has been initiated by Dr. Skand Saksena in the memory of his father, late Dr. T K Saksena. The award has been instituted by the Ultrasonics Society of India for the promotion and recognition of research work in the field of ultrasonics and allied areas.Full Text
- On-Line Ultrasonic Characterization of Bulk and Nano Perovskites and Maraging Steel
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Journal of Pure and Applied Ultrasonics, Vol 35, No 4 (2013), Pagination: 144-144Abstract
This thesis deals with the synthesis and characterisation of bulk and nano perovskite manganites materials and evaluation of microstructural changes of M250 grade maraging steel during aging. It also deals with the design and fabrication of an indigenous experimental set-up used for on-line ultrasonic velocities/attenuations measurements over wide range of temperatures from room temperature (300 K) to 1200 K.Full Text
- Professor Veerendra Pratap Bhatnagar:A Profile
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Journal of Pure and Applied Ultrasonics, Vol 35, No 4 (2013), Pagination: 145-145Abstract
Professor Veerendra Pratap Bhatnagar was born in Gwalior in 1935, he obtained his M.Sc degree in Physics with Gold Medal. He started his teaching career in 1957 and joined Delhi College of Engineering in 1967. He retired as Head of Physics department from DCE in 1992. He was honored by Alumni Association of DCE in 2011. Prof. V.P. Bhatnagar Gold Medal is given every year to best performer in M.Sc. (Applied Physics) in JCE till date.Full Text
- Author Index
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* Anand R.S.
* Bagade Sanjay H.
* Balasubramanian P.
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Journal of Pure and Applied Ultrasonics, Vol 35, No 4 (2013), Pagination: 146-146Abstract
* Anambiga I. V.* Anand R.S.
* Bagade Sanjay H.
* Balasubramanian P.
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- Dr. T K Saksena Memorial Award
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Journal of Pure and Applied Ultrasonics, Vol 35, No 2-3 (2013), Pagination: 46-46Abstract
Dr. T K Saksena Memorial Award has been initiated by Dr. Skand Saksena in the memory of his father, late Dr. T K Saksena. The award has been instituted by the Ultrasonics Society of India for the promotion and recognition of research work in the field of ultrasonics and allied areas.Full Text
- The Address by the Chief Guest, Prof. R.C. Budhani, Director, NPL, Delivered in the Inaugural Session of NSU-XIX on 30 Oct. 2012
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Journal of Pure and Applied Ultrasonics, Vol 35, No 2-3 (2013), Pagination: 47-48Abstract
The field of ultrasonics has made phenomenal progress in last 3 decades due to advances in materials and electronics for generation, detection and control of ultrasonic waves. A large number of laboratory level ultrasonic equipment have been commercialized in this period. Applications such as non-destructive testing medical imaging, underwater communication, industrial processing and process control, etc. are now ubiquitous. Some of the commercially available ultrasonic equipments are high power cleaners, welders, grinders, flaw detectors, thickness gauge, Doppler velocimeters, medical scanners, therapy units, atomizers, nebulizers, dental sealers, etc. As compared to many electromagnetic waves based devices ultrasound has the advantage of adaptability, greater penetration, non-hazardous, non-invasive, less expensive, etc.Full Text
- Forthcoming Events and Conferences
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* September 10-12, 2013 NDT 2013 & Materials Testing 2013 at International Center, Telford, UK.
* October 6-9, 2013 World Congress on Ultrasound in Obstetrics and Gynaecology, Sydney, Australia.
* November 10-15, 2013 Acoustics 2013 New Delhi "Technologies for a Quieter India" Call for Papers, organized by Acoustical Society of India (ASI) French Acoustical Society (SFA) & CSIR-National physical Laboratory.
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Journal of Pure and Applied Ultrasonics, Vol 35, No 2-3 (2013), Pagination: 108-108Abstract
* May 1-4, 2013 International Congress on Ultrasonic-2013 ICU, Singapore.* September 10-12, 2013 NDT 2013 & Materials Testing 2013 at International Center, Telford, UK.
* October 6-9, 2013 World Congress on Ultrasound in Obstetrics and Gynaecology, Sydney, Australia.
* November 10-15, 2013 Acoustics 2013 New Delhi "Technologies for a Quieter India" Call for Papers, organized by Acoustical Society of India (ASI) French Acoustical Society (SFA) & CSIR-National physical Laboratory.
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- Best Paper Awards Given at NSU-XIX-2012
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1. Dr. Narendra Digamber Londhe [National Institute of Technology, Raipur] for the best thesis, titled "Behavioural Study of Ultrasound Wave Propagation in Biological Tissues", awarded by IIT, Roorkee (2011).
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Journal of Pure and Applied Ultrasonics, Vol 35, No 1 (2013), Pagination: 44-44Abstract
Dr. T.K. Saxena Award for the year-20121. Dr. Narendra Digamber Londhe [National Institute of Technology, Raipur] for the best thesis, titled "Behavioural Study of Ultrasound Wave Propagation in Biological Tissues", awarded by IIT, Roorkee (2011).
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- NDT 2018:Call for Papers
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Journal of Pure and Applied Ultrasonics, Vol 40, No 1 (2018), Pagination: 25-25Abstract
The 57th Annual Conference of the British Institute of Non-Destructive Testing (BINDT: http:// www.bindt.org) will be taking place from 10-12 September 2018 at the East Midlands Conference Centre and Orchard Hotel, Nottingham, UK.Full Text
- Development of a Long-Range Ultrasonic Imaging System in Air Using an Array Transmitter
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Journal of Pure and Applied Ultrasonics, Vol 40, No 1 (2018), Pagination: 26-26Abstract
Ultrasonic sound waves are used for versatile applications in biomedical, industries, materials, security, device measurements and characterization for research and developments etc. owing to its simplicity, reliability, safety and non-destructive evaluation nature. The 3-D imaging and range-sensing applications have also been recently thrust areas and attracted considerable attention using ultrasonic technology.Full Text
- Awards Instituted by Ultrasonics Society of India
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Journal of Pure and Applied Ultrasonics, Vol 29, No 4 (2007), Pagination: 146-146Abstract
* Dr. S. Parthasarathy Award.
* Dr. M. Pancholy Award.
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- New Members
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Journal of Pure and Applied Ultrasonics, Vol 29, No 4 (2007), Pagination: 147-147Abstract
* Life Members.
* Life Fellows.
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- Author Index
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Journal of Pure and Applied Ultrasonics, Vol 29, No 4 (2007), Pagination: 148-148Abstract
* Arivudai Nambi, T.
* Aswar, A.S.
* Bahadur Alisha, S.
* P. Balasubramanian.
* Baluja, Shipra.
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- Author Index
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Journal of Pure and Applied Ultrasonics, Vol 31, No 4 (2009), Pagination: 169-169Abstract
* Abraham, Ryan T.
* Agarwal, H.
* Ahmadi, M.
* Ahmadi, Mehdi.
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- Dr. S. Parthasarathy Award for the Years 2007 & 2008
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Journal of Pure and Applied Ultrasonics, Vol 31, No 4 (2009), Pagination: 169-169Abstract
No paper was found suitable for Dr. S. Parthasarathy Award for the year 2007 out of all the papers published in JPAU in the year 2007.Full Text
- Information for Authors
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Journal of Pure and Applied Ultrasonics, Vol 31, No 4 (2009), Pagination: 170-170Abstract
* Type of Contribution.* Manuscripts.
* Reprints.
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- New Members
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1. Dr. M.S. Holi, Head, Deptt. of Biomedical Engg. Bapuji Institute of Engg. & Technology Devangere-577004 (Karnataka).
2. Dr. D.P. Singh, Department of Physics, Guru Nanak Dev University, Amritsar-143005.
3. Dr. Daneil Lawrence, Lecturer, Deptt. of Physics, Sacred Heart College, Tirupattur, Vellore Dist.
4. Dr. S.K. Shrivastava, Deptt. of Physics, Bundelkhand University, Jhansi.
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Journal of Pure and Applied Ultrasonics, Vol 26, No 1 (2004), Pagination: 30-31Abstract
Folowing are the New Members of Ultrasonics Society of India1. Dr. M.S. Holi, Head, Deptt. of Biomedical Engg. Bapuji Institute of Engg. & Technology Devangere-577004 (Karnataka).
2. Dr. D.P. Singh, Department of Physics, Guru Nanak Dev University, Amritsar-143005.
3. Dr. Daneil Lawrence, Lecturer, Deptt. of Physics, Sacred Heart College, Tirupattur, Vellore Dist.
4. Dr. S.K. Shrivastava, Deptt. of Physics, Bundelkhand University, Jhansi.
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- Forthcoming Events
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Journal of Pure and Applied Ultrasonics, Vol 26, No 1 (2004), Pagination: 32-34Abstract
* 05-07 July, 2004, Lyon, France. International Conference on Modelling & Simulation (MS'2004-France). Web : http://www.MS2004-france.org
* 05-08 July, 2004 elft, The Netherlands. 7th European Conference on Underwater Acoustics (EUCA 2004). D. Middendrop, ECUA 2004, D'Launch Communications, Forellendaal 141, 2553 JE The Hague, The Netherlands; Fax : +31 70 322 9901; Web : http://www.ecua2004.tno.nl
* 05-08 July, 2004 St. Petersburg, Russia. 11th International Congress on Sound and Vibration (ICSVII). Web : http://www.iiav.org
* 11-16 July, 2004 Cambridge, UK. 12th International Symposium on Acoustic Remote Sensing (ISARS). S. Bradley, School of Acoustics and Electronic Engineering, Brindley Building, Room 301, University of Salford, Salford M5 4WT, UK; Fax : +44161 295 3815; Web. : http://www.isars.org.uk
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- Author Index (Vol. 25)
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Journal of Pure and Applied Ultrasonics, Vol 25, No 4 (2003), Pagination: 144-144Abstract
* Abdul Azeem P.
* Anwar Ali.
* Ashish Gupta.
* Behari J.
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- Ultrasonics and Thermophysical Properties of Nanoparticles-Based Engineering Materials
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Journal of Pure and Applied Ultrasonics, Vol 40, No 2 (2018), Pagination: 60-61Abstract
The Ph.D. thesis is focused to ultrasonic and thermophysical properties characterization of nanostructured materials likes semiconducting nanowires, thermoelectric nanowires, magnetic nanoparticles and conducting polymer/novel metal nanocomposites. When propagated in different material systems, ultrasonic waves are influenced by the microstructure, nanostructures, deformation process, structural in homogeneities, non linear thermal/physical properties, strength of the materials, phase transformations, reinforcement level of particles (nanofibers, nanorods, nanotubes etc.) in nanocomposites, size of the particles and their distribution in the liquid/solid phase matrix and various surface morphology/phenomena.Full Text
- Inauguration of USI Student Chapter-Thiagarajar College, Madurai-625009
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Journal of Pure and Applied Ultrasonics, Vol 40, No 2 (2018), Pagination: 61-62Abstract
The inauguration of the Student Chapter of Ultrasonics Society of India by the Department of Physics, Thiagarajar College was held on 11.01.2018.Full Text
- Forthcoming Events
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Journal of Pure and Applied Ultrasonics, Vol 40, No 2 (2018), Pagination: 62-62Abstract
Forthcoming Events:
1. The 6th International Symposium on Laser Ultrasonics (LU-2018), 9-13 July, 2018, University of Nottingham, UK
2. International Congress on Sound and Vibration, 8-12 July, 2018: Hiroshima, Japan
3. Internoise 2018, 26-29 August, 2018: Chicago USA
4. Greenbuild 2018, 14-16 November: Chicago, USA
5. IEEE International Ultrasonics Symposium, 22-25 October, 2018, Kobe, Japan
6. 13th WESPAC 2018, 11-15 November 2018, CSIR-NPL, New Delhi, India
7. 2019 International Congress on Ultrasonics (ICU), 3-6 September, 2019, Bruges, Belgium.
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- Investigation of Ultrasonic and Thermophysical Properties for Some Advanced Materials
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Journal of Pure and Applied Ultrasonics, Vol 40, No 3 (2018), Pagination: 91-92Abstract
The main aim of the thesis entitled "Investigation of Ultrasonic and Thermophysical Properties for Some Advanced Materials" is theoretical investigation of the elastic, mechanical, ultrasonic and thermophysical characterization of certain advanced materials such as rare-earth monopnictides and monochalcogenides. Further, the experimental analysis of thermal conductivity and ultrasonic velocity of nanofluid dispersion solution of titanium dioxide and propylene glycol has been conducted.Full Text
- Ultrasonic Investigation of Some Nitrogenous Bases in Aqueous and Acidic Solution
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Journal of Pure and Applied Ultrasonics, Vol 40, No 4 (2018), Pagination: 119-119Abstract
In recent years, nitrogenous bases have been attracted large attention of researchers all over the world. Ultrasonic studies are being carried out on a variety of liquids resembling nitrogenous bases. Nitrogenous bases have extensive use in the pharmaceutical industries. Therefore it was thought worthwhile to undertake the investigation on nitrogenous bases. Thesis presents Ultrasonic investigation of nitrogeneous bases such as uracil, thymine, adenine and guanine in aqueous and acidic solution.
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- New Members of USI enrolled in 2018
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Journal of Pure and Applied Ultrasonics, Vol 40, No 4 (2018), Pagination: 120-121Abstract
New Members of USI enrolled in 2018
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- USI Awards presented at WESPAC-2018 11-15 November, 2018 at CSIR-NPL, New Delhi
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Journal of Pure and Applied Ultrasonics, Vol 40, No 4 (2018), Pagination: 122-122Abstract
i. Dr T K Saksena Memorial Award for 2018
Given to Dr Periyannan Suresh for his thesis entitled “Ultrasonic Guided Waves for Measuring the Material Elastic Moduli and Temperature” from IIT, Madras under the guidance of Prof. Krishnan Balasubramaniam. At present he is Asstt. Professor at NIT Warangal.
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- Author Index
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Journal of Pure and Applied Ultrasonics, Vol 40, No 4 (2018), Pagination: 124-124Abstract
AUTHOR INDEX
(Volume 40, January – December 2018)
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- Ultrasonic Characterisation of Compatible Solvent Mixture in Dewaxing of Crude Oil
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Journal of Pure and Applied Ultrasonics, Vol 41, No 2 (2019), Pagination: 55-55Abstract
One of the major challenges in crude oil refinery is dewaxing of crude oil. Thesis presents a detailed discussion on the energy production from different sources, indicates that the technologies used for the process of dewax is not adequate or improvised as compared to other resources. This is either due to lack of proper technology or deficiency in application of basic mechanism of scientific ideas or economic benefit. The entire work describes cost effective, non-destructive technique, easy and innovative method for wax minimization through ultrasonic assistance.The thesis is presented in eight chapters.In the present work crude oil samples like light, heavy were collected from Onta, USA and Mathura refinery, Uttar Pradesh, India. The extraction technology and separation science is based on the basic mechanism of ultrasonic assisted solvent extraction whichis easier and highly efficient.The estimation of wax content in the crude oil is done to predict the paraffin component of crude oil collected from different countries. Again the compatibility of blended chemicals for dewaxing are verified by studying the molecular interaction through ultrasonic assistance with different physical parameters like effect of temperature and ultrasonic frequencies.Full Text
- An Embedded System based Approach to Pulsed Ultrasonic Instrumentation
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Journal of Pure and Applied Ultrasonics, Vol 42, No 2 (2020), Pagination: 52-52Abstract
In recent days, instruments with modern designs, high accuracy, high reliability and flexibility are in demand for the non-destructive characterization of materials. Ultrasonic velocity and attenuation are the basic measurement parameters used to evaluate various molecular phenomena and physical characteristics of materials and formulate appropriate theories. Hence, precise measurement of these parameters comes to be of immense help in the studies.Full Text
- Acoustical Investigation on Physico Chemical Behaviour of the Binary Liquid Mixtures of Inorganic Salts and Aqueous Polymer Solutions
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Journal of Pure and Applied Ultrasonics, Vol 42, No 2 (2020), Pagination: 53-53Abstract
Study on the properties of polymer solutions have been extensively used for under standing solute-solvent and solute-solute interactions. Polyvinyl Pyrrolidone (PVP), an amorphous water soluble synthetic polymer, is used by a wide variety of industries, such as medicine, cosmetics, textile, adhesives, because of its interesting properties such as low cytotoxicity. PVP are used in DNA and RNA extractions from plants. Ammonium per sulphateis a strong oxidizing agent and radical initiator. It has also been utilized to study protein - protein interactions via photo initiated cross linking chemistry. The present thesis deals with ultrasonic and thermo dynamical properties of aqueous mixtures of zinc sulphate and manganese sulphate with polyvinyl pyrrolidone (PVP) at 303 K, 308 K and 313 K. Physico-chemical study also has been made in the present thesis in the aqueous inorganic salt mixtures by with the help of acoustical excess parameters and theoretical velocities at 303 K. The present dissertation encompasses VI chapters. Chapter-I deals with the introductory aspects of ultrasound investigation of molecular interaction in the liquid mixtures. A relevant review of literature to the present work has also been presented.Full Text
- One Day Intra - Collegiate Competition on Ultrasonics (ICCU 2020) USI Students' Chapter III, Kamaraj College, Thoothukudi-628003
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Journal of Pure and Applied Ultrasonics, Vol 42, No 2 (2020), Pagination: 54-54Abstract
The Third Students' Chapter III of Ultrasonics Society of India from the Department of Physics, Kamaraj College organized a One Day Intra-Collegiate Competition on Ultrasonics (ICCU) on 28.02.2020 (-National Science Day). Ms. Kalki Pavithra (III B.Sc.), President of USI-SC-III, Department of Physics, Kamaraj College, welcomed the gathering.Full Text
- Study of Ultrasonic and Thermal Properties of Materials for Industrial Applications
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Journal of Pure and Applied Ultrasonics, Vol 42, No 3 (2020), Pagination: 81-81Abstract
The whole thesis is divided into two sections which comprise eight chapters. In section A, the effort has been made to develop a theoretical approach for the evaluation of second order elastic constants (SOECs) and third order elastic constants (TOECs), ultrasonic attenuation, velocity and other associated parameters in different type of crystalline materials at different physical conditions like temperature, pressure, orientation, etc. These advanced materials are very useful for many industrial applications. The section B describes experi-mental work, deals with the development nanoparticles-liquid suspensions (nanofluids) and studies of the thermal and ultrasonic properties depending upon temperature and concentration of the nanoparticles for the purpose of industrial applications.Full Text
- Ultrasonic Viewing of Structures & Components for Immersion Applications
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Journal of Pure and Applied Ultrasonics, Vol 43, No 1-2 (2021), Pagination: 35-35Abstract
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- Design Development and Analysis of Instrumentation for Ultrasonic Characterization of Liquids
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Journal of Pure and Applied Ultrasonics, Vol 43, No 1-2 (2021), Pagination: 36-36Abstract
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- New Members - 2021
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Journal of Pure and Applied Ultrasonics, Vol 43, No 3-4 (2021), Pagination: 77-77Abstract
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- Authors Index
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Journal of Pure and Applied Ultrasonics, Vol 43, No 3-4 (2021), Pagination: 78-78Abstract
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Journal of Pure and Applied Ultrasonics, Vol 43, No 3-4 (2021), Pagination: 78-78Abstract
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