Interpreting the entropy balance equation S2-S1= entropy entropy entropy change transfer production Not conservation!! Fixed by states generated,not a property; depends on process Accompanying heat transfer -{20 irreversibilities present within the system no irreversibilities present within the system This portion of the boundary is at temperature T Gas or liquid 0 Reservoir at Th S:-S=2+o 0 !!No entropy transfer with work 上降文通大学 Wednesday,April 12,2017 7 SHANGHAI JIAO TONG UNIVERSITYWednesday, April 12, 2017 7 Interpreting the entropy balance equation Fixed by states Accompanying heat transfer generated, not a property; depends on process !!! No entropy transfer with work Not conservation!!