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enters at 30°C and wits at 6oC. The ideal gas model with -.005 klkg can be...
Steam enters a counterflow heat exchanger operating at steady state at 0.07 MPa with a quality...
Steam enters a counterflow heat exchanger operating at steady state at 0.07 MPa with a quality of 0.9 and exits at the same pressure as saturated liquid. The steam mass flow rate is 1.3 kg/min. A separate stream of air with a mass flow rate of 100 kg/min enters at 30oC and exits at 60oC. The ideal gas model with cp = 1.005 kJ/kg·K can be assumed for air. Kinetic and potential energy effects are negligible. Determine the temperature of...
Air modeled as an ideal gas enters a turbine operating at steady state at 1040 K,...
Air modeled as an ideal gas enters a turbine operating at steady state at 1040 K, 278 kPa and exits at 120 kPa. The mass flow rate is 5.5 kg/s, and the power developed is 1200 kW. Stray heat transfer and kinetic and potential energy effects are negligible. Assuming k = 1.4, determine: (a) the temperature of the air at the turbine exit, in K. (b) the percent isentropic turbine efficiency.
Problem 4.018 SI Air enters a horizontal, constant-diameter heating duct operating at steady state at 290...
Problem 4.018 SI Air enters a horizontal, constant-diameter heating duct operating at steady state at 290 K, 1 bar, with a volumetric flow rate of 0.25 m3/s, and exits at 325 K, 0.95 bar. The flow area is 0.06 m2 Assuming the ideal gas model with k 1.4 for the air, determine: (a) the mass flow rate, in kg/s, (b) the velocity at the inlet and exit, each in m/s, and (c) the rate of heat transfer to the air,...
Propane gas enters a continuous adiabatic heat exchanger 240°C. Superheated steam at 300 C and 5 bar enters the exchang...
Propane gas enters a continuous adiabatic heat exchanger 240°C. Superheated steam at 300 C and 5 bar enters the exchanger flowing countercurrently to the propane and exits as a saturated liquid at the same pressure at 40 C and 250 kPa and exits at Taking flow chart. Include both mass and volumes on your inlet and outlet streams. b. Calculate the specific enthalpy values for the inlet and outlet streams. c. Use an energy balance to calculate the required mass...
Problem 4.018 SI Air enters a horizontal, constant-diameter heating duct operating at steady state at 300...
Problem 4.018 SI Air enters a horizontal, constant-diameter heating duct operating at steady state at 300 K, 1 bar, with a volumetric flow rate of 0.25 m3/s, and exits at 325 K, 0.95 bar. The flow area is 0.05 m2 Assuming the ideal gas model with k-1.4 for the air, determine: (a) the mass flow rate, in kg/s, (b) the velocity at the inlet and exit, each in m/s, and (c) the rate of heat transfer to the air, in...
Steam enters a 10,000 kW turbine of an ideal Rankine cycle at 10 Bar and 360...
Steam enters a 10,000 kW turbine of an ideal Rankine cycle at 10 Bar and 360 degree Celsius and expands to 0.1 bar before entering a condenser. Determine A. Mass Flow Rate(kg/hr) B. Condenser heat transfer(kW) C. Net Power(kW) D. Efficiency
Air enters a compressor at 152 kPa and 290 K and exits at a temperature of...
Air enters a compressor at 152 kPa and 290 K and exits at a temperature of 507.4 K. Determine the power (kW) for the compressor if the inlet volumetric flow rate is 0.139 m/s and the heat transfer through the shell of the compressor to the surroundings is 1.31 kW. Use the ideal gas tables (variable specific heats).
6. Water is the working fluid in an ideal Rankine cycle. Saturated vapor enters the turbine...
6. Water is the working fluid in an ideal Rankine cycle. Saturated vapor enters the turbine at 16 MPa, and the condenser pressure is 8 kPa. The mass flow rate of steam entering the turbine is 120 kg/s. Determine: (a) Draw the ideal Rankine cycle in T-S diagram (b) The net power developed, in kW. (b) The rate of heat transfer to the steam passing through the boiler, in kW. (c) The thermal efficiency. 2 P (kPa) 16000 16000 TC)...
Air enters a compressor operating at steady state at a pressure of 100 kPa, a temperature...
Air enters a compressor operating at steady state at a pressure of 100 kPa, a temperature of 290 K, and with a mass flow rate of 0.72 kg/s. At the exit, the pressure is 700 kPa and the temperature is 450 K. Heat transfer from the compressor to its surroundings occurs at a rate of 3 kW. Kinetic and potential energy changes can be ignored. Determine the power input to the compressor, in kW. Assume that the air is an...
Water vapor at 5 MPa, 320 C enters a turbine operating at steady state and expands...
Water vapor at 5 MPa, 320 C enters a turbine operating at steady
state and expands to 0.1 bar. The mass flow rate is 6.52 kg/s, and
the isentropic turbine efficiency is 92%. Stray heat and kinetic
and potential energy effects are negligible. Determine the power
developed by the turbine in kW.
ht 6/3 of En Help I S Water vapor at 5 MPa, 320°C enters a turbine operating at steady state and expands to 0.1 bar. The mass flow...
Problem 4.018 SI Air enters a horizontal, constant-diameter heating duct operating at steady state at 290 K, 1 bar, with a volumetric flow rate of 0.25 m3/s, and exits at 325 K, 0.95 bar. The flow area is 0.06 m2 Assuming the ideal gas model with k 1.4 for the air, determine: (a) the mass flow rate, in kg/s, (b) the velocity at the inlet and exit, each in m/s, and (c) the rate of heat transfer to the air,...
Propane gas enters a continuous adiabatic heat exchanger 240°C. Superheated steam at 300 C and 5 bar enters the exchanger flowing countercurrently to the propane and exits as a saturated liquid at the same pressure at 40 C and 250 kPa and exits at Taking flow chart. Include both mass and volumes on your inlet and outlet streams. b. Calculate the specific enthalpy values for the inlet and outlet streams. c. Use an energy balance to calculate the required mass...
Problem 4.018 SI Air enters a horizontal, constant-diameter heating duct operating at steady state at 300 K, 1 bar, with a volumetric flow rate of 0.25 m3/s, and exits at 325 K, 0.95 bar. The flow area is 0.05 m2 Assuming the ideal gas model with k-1.4 for the air, determine: (a) the mass flow rate, in kg/s, (b) the velocity at the inlet and exit, each in m/s, and (c) the rate of heat transfer to the air, in...
Air enters a compressor at 152 kPa and 290 K and exits at a temperature of 507.4 K. Determine the power (kW) for the compressor if the inlet volumetric flow rate is 0.139 m/s and the heat transfer through the shell of the compressor to the surroundings is 1.31 kW. Use the ideal gas tables (variable specific heats).
6. Water is the working fluid in an ideal Rankine cycle. Saturated vapor enters the turbine at 16 MPa, and the condenser pressure is 8 kPa. The mass flow rate of steam entering the turbine is 120 kg/s. Determine: (a) Draw the ideal Rankine cycle in T-S diagram (b) The net power developed, in kW. (b) The rate of heat transfer to the steam passing through the boiler, in kW. (c) The thermal efficiency. 2 P (kPa) 16000 16000 TC)...
Air enters a compressor operating at steady state at a pressure of 100 kPa, a temperature of 290 K, and with a mass flow rate of 0.72 kg/s. At the exit, the pressure is 700 kPa and the temperature is 450 K. Heat transfer from the compressor to its surroundings occurs at a rate of 3 kW. Kinetic and potential energy changes can be ignored. Determine the power input to the compressor, in kW. Assume that the air is an...
Water vapor at 5 MPa, 320 C enters a turbine operating at steady
state and expands to 0.1 bar. The mass flow rate is 6.52 kg/s, and
the isentropic turbine efficiency is 92%. Stray heat and kinetic
and potential energy effects are negligible. Determine the power
developed by the turbine in kW.
ht 6/3 of En Help I S Water vapor at 5 MPa, 320°C enters a turbine operating at steady state and expands to 0.1 bar. The mass flow...
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