Continue Otto Cycle Otto cycle energy balances: 。Assuming: ·w=0 during heat transfer processes,△KE=△PE=0 Air is ideal gas,constant specific heats odu=0---- Qin Wnet Wout-lwinl =qin -ldoutl Qin =u3-u2 Cy (T3-T2) v=const. Hout=u4-u1=Cy (T4-T1) U=const. 上游究通大学 May9,2019 13 SHANGHAI JLAO TONG UNIVERSITYMay 9, 2019 13 Continue Otto Cycle Otto cycle energy balances: • Assuming: • w = 0 during heat transfer processes, KE = PE = 0 • Air is ideal gas, constant specific heats wnet = wout – |win| = qin – |qout| qin = u3 – u2 = cv (T3 – T2 ) qout = u4 – u1 = cv (T4 – T1 ) d 0 u  