上游充通大￥ SHANGHAI JIAO TONG UNIVERSITY Engineering Thermodynamics I Lecture 48 Class Review and Final Exam. Spring,2017 强 Prof.,Dr.Yonghua HUANG 。nn ∠ http://cc.sjtu.edu.cn/G2S/site/thermo.html 1日G
Engineering Thermodynamics I Lecture 48 Spring, 2017 Prof., Dr. Yonghua HUANG Class Review and Final Exam. http://cc.sjtu.edu.cn/G2S/site/thermo.html
Chap.1 System,boundary,surrounding. Closed system/open system/adiabatic system/ isolated system What is property?Distinguish property from non- property.Characteristics of property. Extensive and intensive properties Units for pressure,temperature,specific volume 上游充通大学 Wednesday,May 10,2017 2 SHANGHAI JLAO TONG UNIVERSITY
Wednesday, May 10, 2017 2 Chap. 1 System, boundary, surrounding. Closed system/open system/adiabatic system/ isolated system What is property? Distinguish property from nonproperty. Characteristics of property. Extensive and intensive properties Units for pressure, temperature, specific volume
Chap.1 Absolute pressure/Gage pressure/vacuum pressure Zero th law of thermodynamics State Equilibrium/quasi-equilibrium uniform steady ©Process,path,cycle 上游充通大学 Wednesday,May 10,2017 3 SHANGHAI JIAO TONG UNIVERSITY
Wednesday, May 10, 2017 3 Chap. 1 Absolute pressure/ Gage pressure/vacuum pressure Zero th law of thermodynamics State Equilibrium/quasi-equilibrium | uniform | steady Process, path, cycle
Chap.2 Energy potential energy (PE)kinetic energy (KE) Change of energy pv Work/boundary work/shaft work/flow work... External force,non-quasi-equilibrium problem Sign (+/-definition of heat transfer and work Internal energy. 上游充通大学 Wednesday,May 10,2017 4 SHANGHAI JLAO TONG UNIVERSITY
Wednesday, May 10, 2017 4 Chap. 2 Energy | potential energy (PE) |kinetic energy (KE) Change of energy Work/boundary work/ shaft work/ flow work… External force, non-quasi-equilibrium problem Sign (+/ - ) definition of heat transfer and work Internal energy… pv
Chap.2 and part of Chap.4 ©Total energy△E=E-E,=△U+AKE+APE =m(,-4)+与m(c3-c)+mg(a2-2) Reference state First law △E=Q-W Rate basis form Steady state 国 1st law calculation for processes/cycles:Q,W... for closed systems 上游通大学 Wednesday,May 10,2017 5 HANGHAI JIAO TONG UNIVERSITY
Wednesday, May 10, 2017 5 Chap. 2 and part of Chap.4 Total energy Reference state First law Rate basis form Steady state 1 st law calculation for processes/cycles : Q, W… for closed systems 2 1 2 2 2 1 2 1 2 1 KE PE 1 ( ) ( ) ( ) 2 E E E U m u u m c c mg z z