A Carnot heat engine works between 450oC and 25oC. The work output is used to drive...
Homework Answers
a). The rate of heat supplied to the heat engine = Qs1 = 427.5 kW
b). The total rate of heat rejection to the environment = TQr = 184.2 kW
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A Carnot heat engine works between 450oC and 25oC. The work
output is used to drive...
A Carnot heat engine works between 450oC and 25oC. The work output is used to drive...
A Carnot heat engine works between 450oC and 25oC. The work output is used to drive a Carnot refrigerator that removes heat from -15oC space at a rate of 400kJ/min and rejects the heat to 25 oC environment. Find the rate of heat supplied to the heat engine Find the total rate of heat rejection to the environment ii) In the steady state of a steam turbine operation, steam enters a turbine at a rate of 25000 kg/hr at 4MPa...
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...
Page 2 of4 Problem A Carnot heat engine received heat from a reservoir at 900 °C...
Page 2 of4 Problem A Carnot heat engine received heat from a reservoir at 900 °C at a rate of 800 k./min and reject the waste heat to the sink at 27°C. The entire work output of the heat engine is used to drive a Carnot refrigerator that removes heat from the refrigerated space at -5 *C and transfer it to the same sink at 27°C. 900 "C 800 kI min Determine: 27"C (a) The Camot heat engine thermal efficiency...
Page 2 of4 Problem A Carnot heat engine received heat from a reservoir at 900 °C...
Page 2 of4 Problem A Carnot heat engine received heat from a reservoir at 900 °C at a rate of 800 k./min and reject the waste heat to the sink at 27°C. The entire work output of the heat engine is used to drive a Carnot refrigerator that removes heat from the refrigerated space at -5 *C and transfer it to the same sink at 27°C 900 ℃ 800 kI min Determine: 27-C (a) The Camot heat engine thermal efficiency...
21 A Carnot heat engine receives heat from a reservoir at 700°C at a rate of...
21 A Carnot heat engine receives heat from a reservoir at 700°C at a rate of 6 MW and rejects the waste heat to the ambient at 300 K, as shown in the figure. The entire net power output of the heat engine is used to drive a Carnot refrigerator that removes heat from the cold medium at -10°C and transfers it to the same ambient at 300 K. Determine:35235333333 a) The thermal efficiency of the heat engine. b) The...
thermo 2) The work output of a Carnot heat engine is 900 kJ and it rejects...
thermo
2) The work output of a Carnot heat engine is 900 kJ and it rejects 250 kJ of heat to the heat sink at 24°C. Determine: a. The temperature of the source b. The heat supplied to the heat engine. IH QH HE 900 kJ 150 kJ 27 C
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?
2. Two reversible Carnot heat engines operate in series between a source at 427°C and a...
2. Two reversible Carnot heat engines operate in series between a source at 427°C and a sink at 17°C. If the engines have equal efficiencies and the first rejects 400kJ to the second, calculate: (1)the temperature at which heat is supplied to the second engine; (2) the heat taken from the source; (3)the work done by each engine.
A heat engine operates between two reservoirs at 1000°C and 20°C. The heat engine is used...
A heat engine operates between two reservoirs at 1000°C and 20°C. The heat engine is used to drive a Carnot heat pump that removes heat from the cold surroundings at 5°C and transfers it to a house maintained at 25°C. If the house is losing heat at a rate of 20 kW. Determine: i) the thermal efficiency of the heat engine ii) the minimum rate of heat supply to the heat engine required to keep the house at 25°C
EXAM 3B 1. The Carnot heat engine receives 6500 kJ/h of heat from a boiler at...
EXAM 3B 1. The Carnot heat engine receives 6500 kJ/h of heat from a boiler at 950 °C and rejects the waste heat to a well at 20°C. The produced power output of heat engine is fully used to operate the heat pump that draws the heat from the outdoor environment and transfers it to warm the house at the rate of 1100 kJ/min. If the house is maintained at 23°C, what is the lowest temperature of outdoor environment? (6...
Page 2 of4 Problem A Carnot heat engine received heat from a reservoir at 900 °C at a rate of 800 k./min and reject the waste heat to the sink at 27°C. The entire work output of the heat engine is used to drive a Carnot refrigerator that removes heat from the refrigerated space at -5 *C and transfer it to the same sink at 27°C. 900 "C 800 kI min Determine: 27"C (a) The Camot heat engine thermal efficiency...
Page 2 of4 Problem A Carnot heat engine received heat from a reservoir at 900 °C at a rate of 800 k./min and reject the waste heat to the sink at 27°C. The entire work output of the heat engine is used to drive a Carnot refrigerator that removes heat from the refrigerated space at -5 *C and transfer it to the same sink at 27°C 900 ℃ 800 kI min Determine: 27-C (a) The Camot heat engine thermal efficiency...
21 A Carnot heat engine receives heat from a reservoir at 700°C at a rate of 6 MW and rejects the waste heat to the ambient at 300 K, as shown in the figure. The entire net power output of the heat engine is used to drive a Carnot refrigerator that removes heat from the cold medium at -10°C and transfers it to the same ambient at 300 K. Determine:35235333333 a) The thermal efficiency of the heat engine. b) The...
thermo
2) The work output of a Carnot heat engine is 900 kJ and it rejects 250 kJ of heat to the heat sink at 24°C. Determine: a. The temperature of the source b. The heat supplied to the heat engine. IH QH HE 900 kJ 150 kJ 27 C
2. Two reversible Carnot heat engines operate in series between a source at 427°C and a sink at 17°C. If the engines have equal efficiencies and the first rejects 400kJ to the second, calculate: (1)the temperature at which heat is supplied to the second engine; (2) the heat taken from the source; (3)the work done by each engine.
A heat engine operates between two reservoirs at 1000°C and 20°C. The heat engine is used to drive a Carnot heat pump that removes heat from the cold surroundings at 5°C and transfers it to a house maintained at 25°C. If the house is losing heat at a rate of 20 kW. Determine: i) the thermal efficiency of the heat engine ii) the minimum rate of heat supply to the heat engine required to keep the house at 25°C
EXAM 3B 1. The Carnot heat engine receives 6500 kJ/h of heat from a boiler at 950 °C and rejects the waste heat to a well at 20°C. The produced power output of heat engine is fully used to operate the heat pump that draws the heat from the outdoor environment and transfers it to warm the house at the rate of 1100 kJ/min. If the house is maintained at 23°C, what is the lowest temperature of outdoor environment? (6...
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