Find fluxes of exergy associated with energy fluxes in
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The automatic transmission in a car receives 25 kW of shaft work and gives out 23 kW to the drive shaft. Find all the exergy transfer rates.
Why would the share prices of both companies fall when these earnings figures are announced?
A heat engine receives 1 kW heat transfer at 1000 K and gives out 400 Was work, with the rest as heat transfer. What are the fluxes of exergy in and out?
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Its low temperature is T0 and its high temperature is 80oC, with an ambient at T0. Find the fluxes of exergy associated with the energy fluxes in and out.
Find the rate of both energy and exergy (a) from the hot gases and (b) from the condenser.
A steady-flow device receives R-410a at 40oC, 800 kPa and it exits at 40oC, 100 kPa. Assume a reversible isothermal process. Find the change in specific exergy.
Find the increase in the air exergy from the inlet to the point of use. How much exergy was lost in the flow after the compressor exit?
At the start of the process, what is the rate of exergy transfer by (a) electrical input, (b) from the heating element, and (c) into the water at Twater?
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