HEAT AND MASS TRANSFER - UPM
• A temperature increase in a closed system is not necessarily due to a heat input; it can be due to a work input (e.g. ∆E=mc∆T=W for Q=0 in (1)), either with dissipation (e.g. internal stirring), or without (isentropic compression). • The First Law (1) shows that, for a steady state without work exchange,the heat loss by a system
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