ndustrial heat pump operates eratures of 27°C and 13°C. The
Q: In a geothermal power plant, vapour is converted into working fluid in the Select one:
A: Solution:
Q: A refrigeration system using refrigerant 22 is to have a refrigerating capacity of 80 kW. The…
A: Given data: RC=80 kW Need to determine the volume flow rate of the refrigerant.
Q: 2. A refrigeration system using R22 is to have a refrigerant capacity of 600kW. The evaporating…
A: Q2: Given that: The refrigerant is R22. Evaporator temperature = -10 oC. Condenser temperature = 42…
Q: 2. A Carnot vapor refrigeration cycle has a low temperature of-12°C and a high temperature of 40°C.…
A: Given: The low temperature of refrigeration cycle is Tl=-12°C. The high temperature of…
Q: |A Refrigerator system operates on the reversed Carnot cycle. Given higher temperature is 60°C,…
A:
Q: A Carnot Refrigerator cycle absorbs heat at 270K and rejects it at 300K. Find the following: 1.Find…
A: Refrigerator is a device which maintains a body temperature lower than the normal temperature or…
Q: F or the heat pump shown below, the absorption heat from the cold reservoir is * 80,000 kJ/h House…
A: Given Data QH=80000 kJ/h=22.22 kW COP=2.5
Q: As shown in the figure, the stable operating air conditioner While the environment is 32oC, it keeps…
A: Given: The environment temperature, To = 32oC The temperature inside the indoor, Ti = 21oC The rate…
Q: A Carnot refrigerator operates between temperatures of 0 degrees Celsius and 30 degrees Celsius. If…
A: Given: Minimum and maximum temperatures of Carnot refrigerator are 0 degrees Celsius and 30 degrees…
Q: Find the COP of heat pump operating between 1000K and 300K
A:
Q: To the compressor of a vapor compression refrigeration cycle with an adiabatic redemption of 78%,…
A: Write the given data with suitable variables: P1=20 psiaP2=160 psiaRE=5 Tonη=78%
Q: A heat pump operates with Qin = 100 J and Wcycle=200J. Determine the cycle coefficient of…
A: Given that Qin = 100J Wcycle = 200J To determine : cycle coefficient of performance…
Q: 9A heat engine receives nalf of its heat supply at 1000 K and hasy 0500 K, while rejecting he to the…
A:
Q: A Carnot heat pump works between 27° C and 327°C. What will be its COP?
A: Given, Higher temperature of carnot heat pump = TH = 327 oC = 600 K Lower temperature of carnot heat…
Q: lot the COP of regerigerator and heat pump for temperature range from 1 degree celcius to 28 degree…
A: To determine the COP of refrigerator and heat pump.
Q: A refrigeration cycle operating as shown in figure below has Qout = 1700 Btu and Wcycle = 1000 Btu.…
A:
Q: A heat pump operates on a Carnot heat pump cycle with a COP of 8.89. It keeps a space at 27.39 C by…
A:
Q: An 80 ton refrigeration system requires 105 KW from VECO. If motor compressor efficiency is 60%,…
A: Given data: ◆ The refrigeration effect: R.E. = 80 tons ◆ The compressor power: Wcomp = 105 kW ◆ The…
Q: A vapour compression refrigerator has a COP of 4 and extracts 10 kJ of heat from the cold reservoir.…
A: Given, Heat taken from cold reservoir = QL = 10 kJ Coefficient of performace of refrigerator = COPR…
Q: An Ideal Regenerative engine receives 68,000 kg/hr of steam having 1 open heater which receives…
A:
Q: An air conditioner using refrigerant-134a as the working fiuid and operating on the maintain a space…
A: Space temperature=36o CTemperature of evaporator = 36-4 = 32o C
Q: pressor at 400 kPa as a saturated vapor at a rate of 80 L/min COP, (b) the maximum COP, and (c) the…
A:
Q: Warehouse uses a refrigeration system (see figure) to keep farm produce at 2 ̊C while the…
A: Given dataTemperature of conditioned space = T2 = T1 = 2°C = 275 KTemperature outside the warehouse…
Q: Draw the block diagram and determine the COP of a 2-stage refrigeration system with flash gas…
A: given; ⇒take;⇒X=7⇒Y=8⇒refrigeration effect (RE)=6X KW =6*7…
Q: Please consider an actual heat engine that was taking in steam at 700 •F and 400 psia at the rate of…
A:
Q: A cold storage plant of 30 tonnes of refrigeration capacity runs with its performance just th of its…
A: Data given- Capacity = 30 Tonnes Actual COP = 0.25 Carnot COP T2 = -10°C = 263 K T1 = 25°C = 298…
Q: In an absorption refrigeration system, heating cooling and refrigeration takes place at 140°C, 25°C…
A:
Q: A vapour absorption refrigeration system works with a generator temperature of 87⁰C, absorber…
A: Given Data:
Q: Heat engine operating between T1 and T2 (T1 > T2) has the efficiency of 70%. If the machine is…
A: Given data: η=70% Need to determine the COP of the refrigerator.
Q: The thermal efficiency of a Carnot heat engine is 30%. If the engine is reversed in operation to…
A: Given, Efficiency of carnot heat engine = η = 30 % = 0.3 Let us say carnot engine operates…
Q: Compre stage Q2- Find the coefficient of performance for the fallowing cycle and coefficient of…
A: Given:T1=50°CT2=-20°CT3=-40°C
Q: I. Draw the h-s & T-s diagram of the system below CONSIDERING "WORK IN" AS PROCESS 1-2. 2 POUT…
A:
Q: (a) Define COP of a refrigeration system. A refrigeration system with 5 TR cooling capacity has a…
A: COP is defined as the ratio of Desired effect to the Work Input.... For Refrigeration system it is…
Q: Refrigerant 22 is the working fluid in a Carnot vapor refrigeration cycle for which the evaporator…
A:
Q: A reversed carnot cycle that operates between -2 degrees celsius and 50 degrees celsius needs 45 KW…
A: Given Data Lowest temperature, TL=-2°C=271K Highest temperature, TH=50°C=323K Compressor Power,…
Q: The efficiency of the heat engine is 36 %. The COP of heat pump is.
A: Cop of heat pump is equal to inverse of efficiency of heat engine. So ans is 2.78
Q: Write the relationship between COP of Refrigerator and Heat Pump.
A: Let us say Heat Pump and Refrigerator are working between temperature limits TL (lower temperature)…
Q: A heat pump operates between 36 degrees fahrenheit and 120 degrees fahrenheit . If heat added from…
A: Given: Cold temperature reservoir (TL)=36°F or 491.67°R High-temperature reservoir (TH)=120°F or…
Q: a R-134a based refrigeration system the cycle operates in the temperature rar °c. Find COP of the…
A: given:mass flow rate is,m˙=1 kg/sHigher temperature is,T3=40o C or 313 KLower temperature…
Q: System with 134a refrigerant as working fluid under the following conditions: , P = 1725 kPa, t = -4…
A:
Q: The COP of the heat pump is found to be 5.62, and the heat pump operates with the source at 25°C,…
A: COP=5.62QA=2.12 KWTs=25°C
Q: Consider the setup with two stacked (temperature wise) heat engines. Let TH =850 K, TM = 600 K, and…
A: Given data: The temperature TH =850 K. The temperature TM = 600 K. The temperature TL = 350 K.
Q: A vapor-compression refrigeration system absorbs heat from a space at 0°C at a rate of 200 kW an…
A: Given COP = 2.05 Heat rejected, Q = 200 kW Find Power input, P
Q: In a R-134a based refrigeration system the cycle operates in the temperature range of 40°c and 20°c.…
A: Coefficient of performance of a refrigerator is given by , COP = TLTH -TL Given information, TL…
Q: A Refrigerator system operates on the reversed Carnot cycle. Given higher temperature is 60°C, lower…
A: Given Data Th=60°C=333 K TL= 10°C =283 K QL= 15 TR
Q: A steam power-plant, with a power of "Wnet", is working according to the Rankine cycle. Steam enters…
A:
Q: A heat pump operates with Qin = 100kJ and Qout=250KJ. The cycle work is
A: Cycle work of heat pump = Qout - Qin =250 - 100…
Q: In an ideal refrigeration cycle, the condenser and evaporator temperatures are 27'C and 13'C…
A: Given, Condenser temperature = Th = 27 oC = 300 K Evaporator temperature = Tc = -13 oC = 260 K COP…
Q: A refrigeration cycle operating Qout = 1000 Btu and Wcycle = 300 Btu. Determine the coefficient of…
A: Cop (coefficient of performance) can be define as desired effect per unit work done cop=DESIRED…
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- Explain why a waterless, earth-coupled, closed-loop geo-thermal heat pump system is more efficient than a conventional closed-loop geothermal heat pump system.Geothermal heat pumps, or water-source heat pumps, are classified as either _____loop or _____loop systems.A cyclic heat engine operates between a source temperature of 1073K and a sink temperature of 503K What is the least rate of heat rejection per kW net output of the engine? Given Wnet = 1 kW
- The heat removal rate from a refrigerated space and the power input to the compressor are 8.5kW and 1.7 respectively. The coefficient of performance of the refrigerantA Carnot heat engine operates between 840oC and 5oC and rejects 580 kJ/min of heat to the low temperature reservoir. Determine the thermal efficiency of the engine and the work produced by the engine.A heat pump designer claims to have an air-source heat pump whose coefficient of performance is 1.8 when heating a building whose interior temperature is 300 K and when the atmospheric air surrounding the building is at 260 K. Is this claim valid?
- A solar energy based heat engine which recieves 90kJ of heat at 900C and rejects 70kJ of heat to the ambient at 200C is to be designed. Determine the thermal efficiency of the heat engine.A food refrigerator is to provide a 15,000-kJ/h cooling effect while rejecting 22,000 kJ/h of heat. Calculate the COP of this refrigerator.The heat removal rate from a refrigerated space and the power input to the compressor are 8.5 kW and 1.7kW respectively. Cop of the refrigerator.
- c) Assess the limiting factors that impact on the economics of heat pumps.d) Conduct a cost-benefit analysis on the installation of a ground source heat pump on asmallholding, and make valid recommendations for improvements.A vapor compression refrigeration system is designed to have a capacity of 100 tons of refrigeration. It produces chilled water from 23C to 2C. Its actual coefficient of performance is 5.96 and 35% of the power supplied to the compressor is lost in the form of friction and cylinder cooling losses. Determine the condenser cooling water required in kg/s for temperature rise of 10C.A real heat engine operating between two heat reservoirs, and produces 10 kW of power. The efficiency of the engine is 42%. The absorption from the high temperatures reservoir occurs at 500 kPa during which the working fluid (R-134A) transforms from a saturated liquid at the inlet, to a superheated vapor at 110 C and 500 kPa. What is the flow rate of refrigerant in this system?