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Thermodynamics: Draw Carnot diagram for T-S and P-V for engine heat for T1= 500 K and...
A Carnot engine is operated between two heat reservoirs at T1= 435 K and T2= 308...
A Carnot engine is operated between two heat reservoirs at T1= 435 K and T2= 308 K. (a) If the engine receives 5113 J of heat from the reservoir at T1 in each cycle, how many joules per cycle does it deliver to the reservoir at T2? (b) How much mechanical work is performed by the engine during each cycle? (c) What is the thermal efficiency of the engine?
Solve the following problem in Thermodynamics: Carnot Cycle A heat engine receives heat from a source...
Solve the following problem in Thermodynamics: Carnot Cycle A heat engine receives heat from a source at 2000 K at a rate of 500 kW, and rejects the waste heat to a medium at 300 K. The net output from the engine is 300 kW. Determine the maximum energy that can be driven out of the engine theoretically using Carnot Cycle. Compare the observed work-efficiency with the expected efficiency of the heat engine? How much energy is lost due to...
A refrigerator is constructed with a Carnot engine. Draw a diagram of the Carnot cycle in...
A refrigerator is constructed with a Carnot engine. Draw a diagram of the Carnot cycle in a P-V diagram, label the components, and then detail the processes that occur (I short phrase each is all that is necessary). Draw a diagram of the Carnot cycle in a H-S diagram, and label it to match (a) Note: His enthalpy and S is entropy. Water is brought to 0 °C in the refrigerator with the heat being discharged into a reservoir at...
6) In a reversible Carnot heat engine which operates between reservoirs at Thigh 500 K and...
6) In a reversible Carnot heat engine which operates between reservoirs at Thigh 500 K and Tlow = 300 K with a net power output of 600 W, methane gas is used as working fluid. Methane can be considered here as an ideal gas with M 16.043 g mol-, and average heat capacities c 4 R and cp- 5 R. The cycle operates in a steady state with a substance flow rate of 0.375 mol s . Before the isothermal...
7. Consider a Carnot-cycle heat engine with water as the working fluid. The heat transfer to...
7. Consider a Carnot-cycle heat engine with water as the working fluid. The heat transfer to the water occurs at 150°C, during which process the water changes from saturated liquid to saturated vapor. The heat is rejected from the water at 25°C. (a) Show the Carnot-cycle on a T-s diagram (b) Find the properties (P, T, v, h, s) water at each state. Here v is the specific volume. (c) Determine the cycle thermal efficiency, net heat added and work...
A Carnot engine takes 2000 J of heat from a reservoir at 500 K, does some...
A Carnot engine takes 2000 J of heat from a reservoir at 500 K, does some work, and discards some heat to a reservoir at 350 K. How much work does it do, how much heat is discarded, and what is its efficiency?
8. A reversible engine, operating in a cycle, withdraws heat from a high temperature (T2=500 K)...
8. A reversible engine, operating in a cycle, withdraws heat from a high temperature (T2=500 K) and heat capacity (C2=20 + 0.001ⓇT [J/mole.k]) reservoir, performs work w, and rejects heat into a low-temperature (T1=300 K) and heat capacity (C=10+ 0.001XT [J/mole.k]) reservoir. Calculate the final temperature of the system and the maximum amount of work.
9. A Carnot engine works between two heat reservoirs at temperatures TH = 500 K and...
9. A Carnot engine works between two heat reservoirs at temperatures TH = 500 K and TL = 350 K. If it is used as a refrigerator (working in reverse) between the same two reservoirs, how much energy is required (as work) to remove 1600 Jof heat from the refrigerator?
Heat engine of Carnot cycle gained heat at 850 K and dissipated the heat to the...
Heat engine of Carnot cycle gained heat at 850 K and dissipated the heat to the outdoor at 330 K. The overall work output of the heat engine is used to drive a Carnot refrigerator that removes heat from the cooled space at (- 22) °C at a rate of 520 kJ/min and rejects it to the same environment at 420 K. Determine: (a) the rate of heat supplied to the heat engine. (b) the total rate of heat rejection...
6) A Carnot engine takes heat in from a reservoir at 400 K and discards heat...
6) A Carnot engine takes heat in from a reservoir at 400 K and discards heat to a reservoir at 300 K. If the engine does 12,000 J of work per cycle, how much heat does it take in per cycle? a) 9000 b) 16,000 c)24,000 d) 48,000 e) none of the above
Solve the following problem in Thermodynamics: Carnot Cycle A heat engine receives heat from a source at 2000 K at a rate of 500 kW, and rejects the waste heat to a medium at 300 K. The net output from the engine is 300 kW. Determine the maximum energy that can be driven out of the engine theoretically using Carnot Cycle. Compare the observed work-efficiency with the expected efficiency of the heat engine? How much energy is lost due to...
A refrigerator is constructed with a Carnot engine. Draw a diagram of the Carnot cycle in a P-V diagram, label the components, and then detail the processes that occur (I short phrase each is all that is necessary). Draw a diagram of the Carnot cycle in a H-S diagram, and label it to match (a) Note: His enthalpy and S is entropy. Water is brought to 0 °C in the refrigerator with the heat being discharged into a reservoir at...
6) In a reversible Carnot heat engine which operates between reservoirs at Thigh 500 K and Tlow = 300 K with a net power output of 600 W, methane gas is used as working fluid. Methane can be considered here as an ideal gas with M 16.043 g mol-, and average heat capacities c 4 R and cp- 5 R. The cycle operates in a steady state with a substance flow rate of 0.375 mol s . Before the isothermal...
7. Consider a Carnot-cycle heat engine with water as the working fluid. The heat transfer to the water occurs at 150°C, during which process the water changes from saturated liquid to saturated vapor. The heat is rejected from the water at 25°C. (a) Show the Carnot-cycle on a T-s diagram (b) Find the properties (P, T, v, h, s) water at each state. Here v is the specific volume. (c) Determine the cycle thermal efficiency, net heat added and work...
A Carnot engine takes 2000 J of heat from a reservoir at 500 K, does some work, and discards some heat to a reservoir at 350 K. How much work does it do, how much heat is discarded, and what is its efficiency?
8. A reversible engine, operating in a cycle, withdraws heat from a high temperature (T2=500 K) and heat capacity (C2=20 + 0.001ⓇT [J/mole.k]) reservoir, performs work w, and rejects heat into a low-temperature (T1=300 K) and heat capacity (C=10+ 0.001XT [J/mole.k]) reservoir. Calculate the final temperature of the system and the maximum amount of work.
6) A Carnot engine takes heat in from a reservoir at 400 K and discards heat to a reservoir at 300 K. If the engine does 12,000 J of work per cycle, how much heat does it take in per cycle? a) 9000 b) 16,000 c)24,000 d) 48,000 e) none of the above
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