References 1- Introduction to Thermal Systems Engineering M. Moran , H. Shapiro, B. Munson, D. DeWitt john wiley & son's 2003. 2- Thermodynamics An Engineering Approach Y. Gengel, and M. Boles 5th Edition mcgraw-hill 2006. 3- Fundamentals of Thermodynamics SONNTAG, BORGNAKKE, VAN WYLEN, Sixth Edition. Prepared by: Dr.Aiman Al Alawin, Eng.Majed Al-Shawabkeh. Student's Mechanical Team 2014.