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Sivaram, A. R.
- Performance Investigation of a Closed Cycle Magneto Hydrodynamics Powerplant with Liquid Metal as Heat Source
Abstract Views :191 |
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Authors
Affiliations
1 Department of Mechanical Engineering, AMET University, Chennai - 603112, Tamilnadu, IN
2 Department of Mechanical Engineering, Regional Centre of Anna University, Tirunelveli - 627007, Tamilnadu, IN
3 Department of Mechanical Engineering, Bharath University, Chennai - 600073, Tamilnadu, IN
1 Department of Mechanical Engineering, AMET University, Chennai - 603112, Tamilnadu, IN
2 Department of Mechanical Engineering, Regional Centre of Anna University, Tirunelveli - 627007, Tamilnadu, IN
3 Department of Mechanical Engineering, Bharath University, Chennai - 600073, Tamilnadu, IN
Source
Indian Journal of Science and Technology, Vol 8, No 21 (2015), Pagination:Abstract
Magneto hydro dynamics power generation is a non-conventional energy resource used in modern systems. Due to high demand of coal, it is necessary to search for other alternative heat source to drive the magneto hydrodynamics power plants. The liquid metal like alumi-num, manganese, copper and silver can be employed due their improved thermal conductivity and flow characteristics. The magneto hydro dynamics power generation process needs high temperature heat source for converting the inert gas into ionized plasma. A regenerative heat exchanger is employed for heat transfer between melted metal from source chamber to argon gas chamber. The heat transfer coefficient between the liquid metal flow and inert gas is high according to flow conducting material. This work deals with the inert gas plasma which is produced from liquid aluminium and this can be used for recycling. This system proves only 36% of aluminum is required than that of regular MHD system using coal as a heating source.Keywords
Ionization, Liquid Metal Phase Change, Magnetic Field Strength, Magneto Hydrodynamics, Power Density- Thermodynamic Analysis of a Cascade Refrigeration System with R744/R290 Mixtures
Abstract Views :191 |
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Authors
Affiliations
1 Department of Mechanical Engineering, Sree Sowdambika College of Engineering, Aruppukottai - 626112, Tamil Nadu, IN
2 Department of Mechanical Engineering, AMET University, Chennai - 603112, Tamil Nadu, IN
1 Department of Mechanical Engineering, Sree Sowdambika College of Engineering, Aruppukottai - 626112, Tamil Nadu, IN
2 Department of Mechanical Engineering, AMET University, Chennai - 603112, Tamil Nadu, IN
Source
Indian Journal of Science and Technology, Vol 8, No 36 (2015), Pagination:Abstract
This investigation thermodynamically analyzes a cascade refrigeration system which uses an eco-friendly refrigerant R744/R290 mixture in the circuit with lower temperature as a working fluid. It has zero ODP. Condensing temperature, evaporating temperature, and cascade temperature difference with and without the effect of superheating and subcooling of both circuits are the operating parameters and design parameters considered in this investigation. In the present study, thermodynamic analysis of an eco-friendly alternative new refrigerant (mixture of R744 and R290) was proposed and performed with five refrigerants such as R407c, R408a, R410a, R404a, and R417a, which are in the higher temperature circuits of a cascade refrigeration system. MAT-LAB software was performed in terms of temperature in evaporator, temperature in condenser and difference in cascade temperature to develop an expression mathematically for excellent COP, most favorable evaporating temperature of R744/R290 mixture and most favorable mass flow ratio of high temperature refrigerant to that R744/R290 mixture.Keywords
Binary Mixture, Cascade Refrigeration System, COP, Carbon dioxide, Propane, Theoretical Analysis- Experimental Investigations on the Performance of a Water Heater Using Waste Heat from an Air Conditioning System
Abstract Views :219 |
PDF Views:0
Authors
Affiliations
1 Department of Mechanical Engineering, AMET University, Chennai - 603112, Tamil Nadu, IN
2 Department of Mechanical Engineering, Regional Centre of Anna University, Tirunelveli - 627007, Tamil Nadu, IN
3 Department of Mechanical Engineering, Bharath University, Chennai - 600073, Tamil Nadu, IN
1 Department of Mechanical Engineering, AMET University, Chennai - 603112, Tamil Nadu, IN
2 Department of Mechanical Engineering, Regional Centre of Anna University, Tirunelveli - 627007, Tamil Nadu, IN
3 Department of Mechanical Engineering, Bharath University, Chennai - 600073, Tamil Nadu, IN