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Ignition Delay Study of Aluminium Oxide Liquid Nano-Fuel in a Shock Tube


Affiliations
1 Department of Aerospace Engineering, Indian Institute of Technology Bombay, Powai, Mumbai 400 076, India
2 Department of Mechanical Engineering, Indian Institute of Technology Bombay, Powai, Mumbai 400 076, India
 

The ignition delay of aluminium oxide (Al2O3) liquid nano-fuel was compared with that of base-fuel to study the feasibility of its use for high-speed aerospace applications. The base-fuel was aviation turbine fuel that was mixed with Al2O3 nanoparticles to produce a nano-fuel which could be used for regenerative cooling of the combustor walls before injection. The experiments were carried out in a shock tube. The fuel was introduced into the shock tube in the form of a wall droplet. The ignition delay time of the nano-fuel was observed to increase slightly, by about 11% (maximum) in comparison with the baseline, at an equivalence ratio of unity.

Keywords

Aluminium Oxide, Ignition Delay, Liquid Nano-Fuel, Shock Tube.
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  • Ignition Delay Study of Aluminium Oxide Liquid Nano-Fuel in a Shock Tube

Abstract Views: 227  |  PDF Views: 87

Authors

D. K. Tripathi
Department of Aerospace Engineering, Indian Institute of Technology Bombay, Powai, Mumbai 400 076, India
G. Garg
Department of Mechanical Engineering, Indian Institute of Technology Bombay, Powai, Mumbai 400 076, India
U. Agrawal
Department of Mechanical Engineering, Indian Institute of Technology Bombay, Powai, Mumbai 400 076, India
V. Menezes
Department of Aerospace Engineering, Indian Institute of Technology Bombay, Powai, Mumbai 400 076, India
U. V. Bhandarkar
Department of Mechanical Engineering, Indian Institute of Technology Bombay, Powai, Mumbai 400 076, India
B. P. Puranik
Department of Mechanical Engineering, Indian Institute of Technology Bombay, Powai, Mumbai 400 076, India

Abstract


The ignition delay of aluminium oxide (Al2O3) liquid nano-fuel was compared with that of base-fuel to study the feasibility of its use for high-speed aerospace applications. The base-fuel was aviation turbine fuel that was mixed with Al2O3 nanoparticles to produce a nano-fuel which could be used for regenerative cooling of the combustor walls before injection. The experiments were carried out in a shock tube. The fuel was introduced into the shock tube in the form of a wall droplet. The ignition delay time of the nano-fuel was observed to increase slightly, by about 11% (maximum) in comparison with the baseline, at an equivalence ratio of unity.

Keywords


Aluminium Oxide, Ignition Delay, Liquid Nano-Fuel, Shock Tube.

References





DOI: https://doi.org/10.18520/cs%2Fv112%2Fi07%2F1561-1564