@conference {71118,
	title = {Efficiency Optimization of a Standing-Wave Thermoacoustic Heat Engine,},
	booktitle = { AIAA-2011-0128, Orlando},
	year = {2011},
	month = {January },
	address = {USA},
	author = {Essam E. Khalil and Mazen A Eldeeb and mahmoud A Fouad}
}
