Homework Answers
Add Answer to:
Probleml An air comditionot with R-134m as the working laido maintains a house at a constant...
Please show all equations needed in answer and please specify which thermodynamics table is used for...
Please show all
equations needed in answer and please specify which thermodynamics
table is used for what values taken from any tables
Waeer 2C 12 MMP 25 c Problem I: 12 MP An air conditioner with R-134a as the working fluid maintains a house at a constant temperature of 23°C during the summer. The minimum temperature in the air conditioner cycle is -8°C, and the maximum temperature in the air conditioner cycle is equivalent to the outside temperature. The house...
An ideal vapor-compression heat pump cycle using R-134a is used to heat a house. The inside...
An ideal vapor-compression heat pump cycle using R-134a is used to heat a house. The inside temperature is 22 ℃; the outside temperature is 0 ℃ Saturated vapor at 2.2 bar enters the compressor, and saturated liquid leaves the condenser at 3 ba. The mass ow rate is 0.2 kg/s. Detemine: a the power iput to the compressor (in kw) b. the coefficient of performance c. the coefficient of performance if the system were used as a refrigeration cycle d....
oblem 1: An air conditioner based on the theoretical single-stage cycle is using Refrigerant- 134a as...
oblem 1: An air conditioner based on the theoretical single-stage cycle is using Refrigerant- 134a as the refrigerant operates with a condensing temperature of 100°F and evaporating temperature of 0°F. The air conditioner produces 5 tons of refrigeration. Determine: (a) The coefficient of performance of the cycle and the rate of refrigerant flow. (b) The condenser of the air conditioner is designed to reject the heat from the refrigerant. Air (Cp 0.24 Btu/lb. °F, p 0.077 lb/ft3) flows across the...
An Air conditioner maintains a house temperature of 23C while outside temp is 50C. If gbe...
An Air conditioner maintains a house temperature of 23C while outside temp is 50C. If gbe refrigeration cycle removes 8kw from the house and compressor does 2 hp of work on the refrigerent. determine 1. the heat rejected to the outside environment in kw? 2. the actual coefficient of performance for A/C unit 3. the max possible cop
Problem I: Not applicable for 2017 Problem II: In an R-134a vapor-compression home heat pump, R-134A...
Problem I: Not applicable for 2017 Problem II: In an R-134a vapor-compression home heat pump, R-134A enters the compressor (75% isentropic efficiency) as a saturated vapor at 200 kPa and leaves at 800 kPa. The refrigerant goes through a constant pressure condenser and leaves as a saturated liquid. The refrigerant then goes through an adiabatic expansion valve enters the evaporator as a liquid-vapor mixture. The mass flow rate of refrigerant is 0.1 kg/s. and Cod A. Write the equation for...
An air conditioner is used to maintain a house at 400C when the temperature outside is...
An air conditioner is used to maintain a house at 400C when the temperature outside is 850C. The house gains heat through the walls and the windows at a rate of 2130kJ/kg/min, and heat generation rate within the house from people, lights and appliances amounts to 120kJ/min. Determine the minimum power required for the air conditioner and cost of its operation over a three month summer at a rate of $0.15Kw Hr.
A car air conditioner operating with R-134a as working fluid has a minimum temperature of -10°C...
A car air conditioner operating with R-134a as working fluid has a minimum temperature of -10°C and a maximum pressure of 1 MPa. The actual adiabatic compressor exit temperature is 50°C. Heat is rejected in the condenser to ambient air at 27°C. Assume no pressure loss in the heat exchangers. Find the specific heat transfer from the cold space and that to the hot space, the COP, and the isentropic efficiency of the compressor. Also, determine the exergy destroyed in...
value 10.00 points Question An air-conditioner with refrigerant-134a s the working fluid is used to keep...
value 10.00 points Question An air-conditioner with refrigerant-134a s the working fluid is used to keep a room at 21°C-Ass by rejecting the waste heat to the outdoor air at 37°C. The room gains heat through the walls and the windows at a rate of 249 kJ/min while the heat generated by the computer, TV, and T lights amounts to 600 W. The refrigerant enters the compressor at 360 kPa as a saturatedV vapor at a rate of 100 L/min...
-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...
Problem #3 Refrigerant R-134a enters the condenser of a heat pump at 1000 kPa and 80°C...
Problem #3 Refrigerant R-134a enters the condenser of a heat pump at 1000 kPa and 80°C at a rate of 0.025 kg/s and leaves at 1000 kPa as saturated liquid. If the compressor consumes 2 kW of power, determine: a) The COP of the heat pump (as heating device). b) The rate of heat absorption from the outside air. тан Condenser Throttling valve Compressor Evaporator To
Please show all
equations needed in answer and please specify which thermodynamics
table is used for what values taken from any tables
Waeer 2C 12 MMP 25 c Problem I: 12 MP An air conditioner with R-134a as the working fluid maintains a house at a constant temperature of 23°C during the summer. The minimum temperature in the air conditioner cycle is -8°C, and the maximum temperature in the air conditioner cycle is equivalent to the outside temperature. The house...
An ideal vapor-compression heat pump cycle using R-134a is used to heat a house. The inside temperature is 22 ℃; the outside temperature is 0 ℃ Saturated vapor at 2.2 bar enters the compressor, and saturated liquid leaves the condenser at 3 ba. The mass ow rate is 0.2 kg/s. Detemine: a the power iput to the compressor (in kw) b. the coefficient of performance c. the coefficient of performance if the system were used as a refrigeration cycle d....
oblem 1: An air conditioner based on the theoretical single-stage cycle is using Refrigerant- 134a as the refrigerant operates with a condensing temperature of 100°F and evaporating temperature of 0°F. The air conditioner produces 5 tons of refrigeration. Determine: (a) The coefficient of performance of the cycle and the rate of refrigerant flow. (b) The condenser of the air conditioner is designed to reject the heat from the refrigerant. Air (Cp 0.24 Btu/lb. °F, p 0.077 lb/ft3) flows across the...
Problem I: Not applicable for 2017 Problem II: In an R-134a vapor-compression home heat pump, R-134A enters the compressor (75% isentropic efficiency) as a saturated vapor at 200 kPa and leaves at 800 kPa. The refrigerant goes through a constant pressure condenser and leaves as a saturated liquid. The refrigerant then goes through an adiabatic expansion valve enters the evaporator as a liquid-vapor mixture. The mass flow rate of refrigerant is 0.1 kg/s. and Cod A. Write the equation for...
value 10.00 points Question An air-conditioner with refrigerant-134a s the working fluid is used to keep a room at 21°C-Ass by rejecting the waste heat to the outdoor air at 37°C. The room gains heat through the walls and the windows at a rate of 249 kJ/min while the heat generated by the computer, TV, and T lights amounts to 600 W. The refrigerant enters the compressor at 360 kPa as a saturatedV vapor at a rate of 100 L/min...
-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...
Problem #3 Refrigerant R-134a enters the condenser of a heat pump at 1000 kPa and 80°C at a rate of 0.025 kg/s and leaves at 1000 kPa as saturated liquid. If the compressor consumes 2 kW of power, determine: a) The COP of the heat pump (as heating device). b) The rate of heat absorption from the outside air. тан Condenser Throttling valve Compressor Evaporator To
Most questions answered within 3 hours.
-
Oakdale Fashions, Inc. had $245,000 in 2018 taxable income.
Using the tax schedule in Table 2.3...
asked 13 minutes ago -
The marketing class at CSUS had an average score of 150. An
educational analyst determined that...
asked 1 hour ago -
Justin Case has purchased a $250 000 home by putting 20 % down
and taking out...
asked 1 hour ago -
1. In a labor market, marginal cost for a firm is
____________.
a. recruiting cost
b....
asked 2 hours ago -
On January 1, 2019, ABC Company issued $60,000,000 of 20-year,
10.5% bonds when the market rate...
asked 2 hours ago -
39.4% of US homes continue to use a landline in addition to cell
phone service. 3...
asked 3 hours ago -
Starting with benzene, synthesize 1-phenyl-1-butyne.
Show intermediates and reagents.
asked 4 hours ago -
Create a 32-run crossed array design with six control factors
and two noise factors such that...
asked 5 hours ago -
A 500g sample of sand from source A has the following amounts
retained on each sieve....
asked 5 hours ago -
In
your own words, please explain the essay by John Keynes wrote "The
End of Laissez...
asked 5 hours ago -
How are the matrix and pixels related? Why are smaller
pixels better for diagnostic quality?
asked 5 hours ago -
2. An AC generator has 80 rectangular loops on
its armature. Each loop is 11 cm...
asked 5 hours ago