A condenser has 0.073 kg/s of propane entering at 18 bar and 70°C, and leaving as...
A condenser has 0.073 kg/s of propane entering at 18 bar and 70°C, and leaving as a saturated liquid. If the air entering the condenser is at 26.85°C and 1 atmosphere, and it has a volumetric flow rate of 1.1 m³/s, what is the leaving temperature of the air? The air can be treated as an Ideal Gas.
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A condenser has 0.073 kg/s of propane entering at 18 bar and
70°C, and leaving as...
5. Refrigerant-134a at 700kPa, 70°C, and 8 kg/min is cooled by air in a condenser until...
5. Refrigerant-134a at 700kPa, 70°C, and 8 kg/min is cooled by air in a condenser until it exits as a saturated liquid at the same pressure. The cooling air enters the condenser at 1MPa and 10°C and leaves at 17°C at the same pressure. Determine: a) Considering only the Refrigerant as a system, the heat transfer rate of a refrigerant from the condenser in (kl/min). R-134a Tables are attached! b) The mass flow rate of the air required for cooling...
Hexane is a non-polar solvent with a boiling point of 68 °C, and is therefore the...
Hexane is a non-polar solvent with a boiling point of 68 °C, and is therefore the solvent of choice for oil extraction. The recovery system removes most of the hexane vapors from the air entering various pieces of equipment in the hexane solvent extraction plant, before discharging that air to the atmosphere. A gas stream contains 18 mole % hexane and the remainder is air leaving the solvent recovery unit at 150 °C and 1 atm and flow into condenser,...
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...
Ammonia flows at 250 kg/s through an ideal vapor-compression refrigeration cycle. The ammonia enters the compressor...
Ammonia flows at 250 kg/s through an ideal vapor-compression refrigeration cycle. The ammonia enters the compressor as saturated vapor at-10°C and exits the condenser as saturated liquid at 1000 kPa. Determine the: (a) refrigerant temperature leaving the compressor (b) refrigerant temperature leaving the condenser (c) refrigerant temperature leaving the expansion valve (d) coefficient of performance (e) refrigeration capacity, in tons.
Thermodynamics 1. Saturated liquid H20 at 16 MPa is fed into the boiler of a variant of a Carnot cycle (but simplified Rankin cycle) where the working fluid is not an ideal gas. Saturated H20 va...
Thermodynamics
1. Saturated liquid H20 at 16 MPa is fed into the boiler of a variant of a Carnot cycle (but simplified Rankin cycle) where the working fluid is not an ideal gas. Saturated H20 vapor is fed into the turbine of the same turbine. The condenser of this turbine is operated at 8 kPa. The mass flowrate of the H20 in this cycle is 7.2x103 kg/min. Draw the path of this process on T-s diagram. Estimate the thermal efficiency...
P1 Ammonia flows at 250 kg/s through an ideal vapor-compression refrigeration cycle. The ammonia enters the...
P1 Ammonia flows at 250 kg/s through an ideal vapor-compression refrigeration cycle. The ammonia enters the compressor as saturated vapor at -10°C and exits the condenser as saturated liquid at 1000 kPa. Determine the: (a) refrigerant temperature leaving the compressor (b) refrigerant temperature leaving the condenser (c) refrigerant temperature leaving the expansion valve (d) coefficient of performance (e) refrigeration capacity, in tons.
What are the specific enthalpy and specific volume of steam at 400.0°C and 80.0 bar? Number Number kJ/kg Î= 0 m²/kg Is...
What are the specific enthalpy and specific volume of steam at 400.0°C and 80.0 bar? Number Number kJ/kg Î= 0 m²/kg Is this steam superheated or saturated? O O saturated superheated If this steam is superheated, what is its degrees of superheat? If the steam is saturated, respond with "0". Number Estimate the temperature, specific enthalpy and specific volume of saturated steam at 5.25 bar. Number Number Number Tsar = 10 °C kJ/kg mº/kg If 18.0 m/min of steam at...
Tutorial Questions 1 1. Water is the working fluid in an ideal Rankine cycle. The condenser...
Tutorial Questions 1.1. Water is the working fluid in an ideal Rankine cycle. The condenser pressure is kPa, and saturated vapor enters the turbine at 10 MPa. Determine the heat transfer rates, in kJ per kg of steam flowing, for the working fluid passing through the boiler and condenser and calculate the thermal efficiency.2. 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 ....
An ideal vapor-compression refrigeration cycle with R-134a as the working fluid has an evaporator temperature of-15...
An ideal vapor-compression refrigeration cycle with R-134a as the working fluid has an evaporator temperature of-15 °C and a condenser pressure of 12 bar. Saturated vapor enters the compressor, and saturated liquid exits the condenser. The mass flow rate of the refrigerant is 3.5 kg/min. Draw and label the cycle on a T-s diagram. What is the coefficient of performance? Ans. 2.98 What is the refrigerating capacity in tons? a. b. c.
-Rome can get pretty hot in the mid-summer! Most of the air conditioning units in the Tiber campus use the working flui...
-Rome can get pretty hot in the mid-summer! Most of the air conditioning units in the Tiber campus use the working fluid R-134a (1,1,1,2-tetrafluoroethane), which is replaces the less environmentally-friendly R-12 of years ago. a) Illustrate the following air conditioning cycle, indicating material, heat, and work flows, as well as given/known temperatures and pressures: R-134a is pressurized to 10.2 bar in an adiabatic, reversible compressor. This high-pressure, hot refrigerant is condensed outside of the building using ambient air to a...
5. Refrigerant-134a at 700kPa, 70°C, and 8 kg/min is cooled by air in a condenser until it exits as a saturated liquid at the same pressure. The cooling air enters the condenser at 1MPa and 10°C and leaves at 17°C at the same pressure. Determine: a) Considering only the Refrigerant as a system, the heat transfer rate of a refrigerant from the condenser in (kl/min). R-134a Tables are attached! b) The mass flow rate of the air required for cooling...
Hexane is a non-polar solvent with a boiling point of 68 °C, and is therefore the solvent of choice for oil extraction. The recovery system removes most of the hexane vapors from the air entering various pieces of equipment in the hexane solvent extraction plant, before discharging that air to the atmosphere. A gas stream contains 18 mole % hexane and the remainder is air leaving the solvent recovery unit at 150 °C and 1 atm and flow into condenser,...
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...
Ammonia flows at 250 kg/s through an ideal vapor-compression refrigeration cycle. The ammonia enters the compressor as saturated vapor at-10°C and exits the condenser as saturated liquid at 1000 kPa. Determine the: (a) refrigerant temperature leaving the compressor (b) refrigerant temperature leaving the condenser (c) refrigerant temperature leaving the expansion valve (d) coefficient of performance (e) refrigeration capacity, in tons.
Thermodynamics
1. Saturated liquid H20 at 16 MPa is fed into the boiler of a variant of a Carnot cycle (but simplified Rankin cycle) where the working fluid is not an ideal gas. Saturated H20 vapor is fed into the turbine of the same turbine. The condenser of this turbine is operated at 8 kPa. The mass flowrate of the H20 in this cycle is 7.2x103 kg/min. Draw the path of this process on T-s diagram. Estimate the thermal efficiency...
P1 Ammonia flows at 250 kg/s through an ideal vapor-compression refrigeration cycle. The ammonia enters the compressor as saturated vapor at -10°C and exits the condenser as saturated liquid at 1000 kPa. Determine the: (a) refrigerant temperature leaving the compressor (b) refrigerant temperature leaving the condenser (c) refrigerant temperature leaving the expansion valve (d) coefficient of performance (e) refrigeration capacity, in tons.
What are the specific enthalpy and specific volume of steam at 400.0°C and 80.0 bar? Number Number kJ/kg Î= 0 m²/kg Is this steam superheated or saturated? O O saturated superheated If this steam is superheated, what is its degrees of superheat? If the steam is saturated, respond with "0". Number Estimate the temperature, specific enthalpy and specific volume of saturated steam at 5.25 bar. Number Number Number Tsar = 10 °C kJ/kg mº/kg If 18.0 m/min of steam at...
An ideal vapor-compression refrigeration cycle with R-134a as the working fluid has an evaporator temperature of-15 °C and a condenser pressure of 12 bar. Saturated vapor enters the compressor, and saturated liquid exits the condenser. The mass flow rate of the refrigerant is 3.5 kg/min. Draw and label the cycle on a T-s diagram. What is the coefficient of performance? Ans. 2.98 What is the refrigerating capacity in tons? a. b. c.
-Rome can get pretty hot in the mid-summer! Most of the air conditioning units in the Tiber campus use the working fluid R-134a (1,1,1,2-tetrafluoroethane), which is replaces the less environmentally-friendly R-12 of years ago. a) Illustrate the following air conditioning cycle, indicating material, heat, and work flows, as well as given/known temperatures and pressures: R-134a is pressurized to 10.2 bar in an adiabatic, reversible compressor. This high-pressure, hot refrigerant is condensed outside of the building using ambient air to a...
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