Determine mass flow rate of refrigerant

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August undefined, 2024

WebRefrigerant-134a is to be cooled by water in a condenser. The refrigerant enters thecondenser with a mass flow rate of 6 kg/min at 1 MPa and 80°C and leaves at 30°C. The coolingwater enters at 500 kPa and 20°C and leaves at 40°C. Neglecting any pressure drops, determinethe mass flow rate of the cooling water required. WebThe refrigerant enters the condenser at 12 bar and 50 °C and leaves at the same pressure subcooled by 8.25 °C. If the compressor consumes 8 kW of power, determine a) The mass flow rate of the refrigerant, b) The refrigeration load, c) The COP, and d) The minimum power input to the compressor for the same refrigeration load.

ME354 Thermodynamics 2 Name: Quiz #3 - T02: ID - University o…

WebIf the mass flow rate of the refrigerant through the upper cycle is $0.24 \mathrm{kg} / \mathrm{s}$, determine (a) the mass flow rate of the refrigerant through the lower cycle, $(b)$ the rate of heat removal from … WebFeb 7, 2010 · An ammonia refrigerating plant operates between temperature limits of 10.34 bar and 2.265 bar. The refrigerant leaves the evaporator as a vapour 0.95 dry and leaves the condenser as a saturated liquid. If the refrigerant mass flow rate is 4 kg/min, find: … The model of the expansion valve neglects heat losses, i.e. constant enthalpy is … how to setup fingerprint

A Mass Flow Rate Correlation for Refrigerants and …

Webi.e., the flow of mass m through a surface per unit time t.. The overdot on the m is Newton's notation for a time derivative.Since mass is a scalar quantity, the mass flow rate (the … WebWith all the enthalpies determined, the inner workings of the given cycle can be fully analyzed. First and most importantly, the calculation of the cycle’s power may occur. The … WebA Refrigerator is designed to operate using refrigerant R-513a and is required to remove 78 kW of energy from the evaporator if the operating condtions of the plant are as follows caiculate the required mass flow rate of the refrigerant assuming no losses: Give your arfswer in kg/hr Operating Conditions:- Compressor - Inlet condition 1 bar dry ... how to setup finger recognition in laptop

Determine; (1) The mass flow rate of the refrigerant Chegg.com

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WebAlso use Fundamentals of. (a)Determine the mass flow rate of refrigerant, in kg/s. (b)Determine compressor power in kW. (c)calculate coefficient of performance (use answer of part b to help you out.) Also … WebIf the compressor consumes 6.26 kW of power, accordingly determine a) The mass flow rate of the refrigerant, b) The rate of heat supply, c) The COP, and d) The minimum power input to the compressor for the same rate of heat supply. Note: You may use Thermodynamics Tables by Michael J. Moran for this question. notice of insurance employees compensationWebJun 5, 2024 · How to calculate the mass flow rate of refrigerant passing through an evaporator with a given quality, pressure, and temperature of air mixture, using refrig... notice of intended marriage form

"WebNov 8, 2024 · The final mass flow unit is Kg / H, and when we calculate the suction pipe diameter, It is based on superheating, the density of the refrigerant is calculated in KGM3. The mass flow rate of the refrigerant divided by the density gives the volume flow rate at 1 point, in M3s. Finally, divide the volume flow rate by the cross-sectional area under ... " - Determine mass flow rate of refrigerant

Determine mass flow rate of refrigerant

Answered: A heat pump with refrigerant-22 (R-22)… bartleby

Webi.e., the flow of mass m through a surface per unit time t.. The overdot on the m is Newton's notation for a time derivative.Since mass is a scalar quantity, the mass flow rate (the time derivative of mass) is also a scalar quantity. The change in mass is the amount that flows after crossing the boundary for some time duration, not the initial amount of mass at the … Webh = heat of compression (Btu/lb) q = refrigerant circulated (lb/min) Compression Horsepower. Compression horsepower can be expressed as. P = W / 42.4 (2) where. P …

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Webthe mass flow rate of refrigerant through each evaporator, in kg/min, b.) the compressor power input, in kW, c.) the rate ... You can determine the flow rates by using an energy balance on each evaporator. There are … WebIt is specified that the temperature rise of the water not exceed $4^{\circ} \mathrm{C}$ The power dissipation of the box is $2 \mathrm{kW}$, which is removed entirely by water. If the box operates 24 hours a day, 365 days a year, determine the mass flow rate of water flowing through the box and the amount of cooling water used per year.

WebWe would like to show you a description here but the site won’t allow us. http://www.jmcampbell.com/tip-of-the-month/2011/11/compressor-calculations-rigorous-using-equation-of-state-vs-shortcut-method/

WebThe mass flow rate of the refrigerant and the rate of heat rejected are to be determined. Assumptions 1 The refrigerator operates steadily. 2 The kinetic and potential energy changes are zero. Properties The properties of R-134a at the evaporator inlet and exit states are (Tables A-11 through A-13) 234.74 kJ/kg WebThe refrigerant enters the condenser at 1.2 MPa and 50°C and leaves at the same pressure subcooled by 5°C. The compressor consumes 3.3 kW of power. Use data from the tables. Water 26°C 18°C 1.2 MPa 1.2 MPa …

WebFeb 12, 2024 · 3 - 4: The liquid refrigerant will then flow to the expansion valve. The duty of this valve is simply to reduce the pressure of the refrigerant (think of it as your deodorant sprayer). Some liquid ...

WebREFRIGERANT FLOW RATE . refrigerant flow rate = − Cooling Load H 2 H 1. COMPRESSOR . The work done on the refrigerant during the compression step is the . rate of work . done on the = (refrigerant flow rate ) (H3-H2) compressor . CONDENSER . The heat rejected to the environment in the condenser depends upon the . Pressure … how to setup filezilla server for sftpWebThe refrigerant enters the condenser at 1.2 MPa and 50°C and leaves at the same pressure subcooled by 5°C. If the compressor consumes 3.3 kW of power, determine (a) the mass flow rate of the refrigerant, (b) the refrigeration load, (c) the COP, and (d) the minimum power input to the compressor for the same refrigeration load. notice of intended marriage form pdfWebWith all the enthalpies determined, the inner workings of the given cycle can be fully analyzed. First and most importantly, the calculation of the cycle’s power may occur. The mass flow rate(ṁ) of refrigerant also provides … notice of intended marriage form victoria how to setup fingerprint in lenovo thinkpadWebThe mass flow rate of refrigerant is 5 kg/min. Determine (a) The compressor power, in kW (b) The refrigerating capacity, in tons. (c) The coefficient of performance. Solution: … how to setup fingerprint in lenovo laptopWebRefrigerant-134a is the working fluid in an ideal compression refrigeration cycle. The refrigerant leaves the evaporator at -20oC and has a condenser pressure of 0.9 MPa. … how to setup fingerprint in thinkpadhttp://www.mhtl.uwaterloo.ca/courses/me354/tutorials/pdffiles/Winter07_quiz/q3t02_sol.pdf#:~:text=The%20mass%EF%AC%82ow%20rate%20of%20the%20refrigerant%20can%20be,temperature%20hw1%3D%20hf%4018%E2%97%A6C%3D75.54kJ%2Fkg%20hw2%3D%20hf%4026%E2%97%A6C%3D%20109.01kJ%2Fkg%20mR%28h2%CB%99%E2%88%92h3%29%20mR%28295.13%CB%99%E2%88%92111.37%29kJ%2Fkg notice of intended marriage nsw