A heat pump cycle has a coefficient of performance equal to 70% of the value of a reversible heat pump cycle operating at steady state between thermal reservoirs at 4°C and 21°C. Question: Determine the net power input, in kW per kW of heat discharged, required by the actual heat pump cycle.
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- A heat engine, which has an efficiency of 15%, does mechanical work at a rate of 11 kW and releases 5.90 103 J of heat to a cold reservoir on each cycle. (a) Find the heat absorbed in each cycle. (b) Find the time for one cycle.A particular heat engine has a mechanical power output of 5.20 kW and an efficiency of 26.0%. The engine expels 7.40 x 103 J of exhaust energy in each cycle. (a) Find the energy taken in during each cycle. kJ (b) Find the time interval for each cycle. SIn one cycle a heat engine absorbs 520 J from a high-temperature reservoir and expels 310 J to a low-temperature reservoir. If the efficiency of this engine is 57% of the efficiency of a Carnot engine, what is the ratio of the low temperature to the high temperature in the Carnot engine? Tlow Thigh =
- A heat pump cycle delivers energy by heat transfer to a dwelling at a rate of 40,000 Btu/h. The coefficient of performance of the cycle is 3.8. (a) Determine the power input to the cycle, in hp. (b) Evaluating electricity at $0.085 per kWh, determine the cost of electricity during the heating season when the heat pump operates for 2000 hours. W cycle= Cost = i $i hpA Carnot engine operates between a hot reservoir at 362.0 K and a cold reservoir at 312.0 K. If it absorbs 525.0 J of heat per cycle at the hot reservoir, how much work per cycle does it deliver? If the same engine, working in reverse, functions as a refrigerator between the same two reservoirs, how much work per cycle must be supplied to remove 985.0 J of heat from the cold reservoir? Needs complete solution with @/100 % accuracy.Please Asap