A refrigeration system is designed to cool 10,000 lb per hour of water from 60 deg F to 40 deg F . Operating conditions necessitate a condenser pressure of 160 psia . If the load is divided evenly between two simple saturation systems , both operating with 165 psia discharge pressure , but one with 35 deg F evaporator and the other with 45 deg F , determine the required horsepower . A) 4.1 B) 2.3 C) 7.4 D) 5.4

A refrigeration system is designed to cool 10,000 lb per hour of water from 60 deg F to 40 deg F . Operating conditions necessitate a condenser pressure of 160 psia . If the load is divided evenly between two simple saturation systems , both operating with 165 psia discharge pressure , but one with 35 deg F evaporator and the other with 45 deg F , determine the required horsepower . A) 4.1 B) 2.3 C) 7.4 D) 5.4

Name: A refrigeration system is designed to cool 10,000 lb per hour of water
Uploaded: 2024-03-20T06:56:55.000Z
Channel: Bartleby
Description: A refrigeration system is designed to cool 10,000 lb per hour of water from 60 deg Fto 40 deg F . Operating conditions necessitate a condenser pressure of 160 psia . If the load isdivided evenly between two simple saturation systems , both operating

Refrigeration and Air Conditioning Technology (MindTap Course List)

8th Edition

ISBN:9781305578296

Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Chapter44: Geothermal Heat Pumps

Section: Chapter Questions

Problem 10RQ: A(n) ______well draws water from the top of thewater column, circulates it through the heat pump,...

See similar textbooks

Similar questions

an ammonia refriferation cycle operates at 12C suction temperature and 300 kpa condensing pressure, refrigeration capacity 30 kw, compressor clearance 6%, compressor eff 80% mechanical efficiency 75%, actual volumetric eff 74%. determine? (a) clearance volumetric eff. (b) ideal cop (c) actual cop (d) mass low rate of ammonia (e) brake work
A water cooler uses 100 lb/hr of melting ice (32 deg F) to cool running water from 80 deg F to 42deg F. Based on the inside coil area, Ui= 110 BTU/hr- sq FT deg F, find: a) LMTD; b) Inside surface areac) GPM of water cooled please draw the diagram
What is the answer of the following asked: (need solution ASAP, thank you)The heat rejected in the condenser in kJ/kg is:The net work in the turbine in kJ/kg is:
Ill leave a thumbs up if you answer the following pls Determine the followig: a. The heat rejected in kj/kg in the condenser b. The cycle thermal efficiency c. The steam flow rate in kg/hr
An ammonia refrigerating plant following the theoretical single stage cycle operates with a condensing temperature of 0 F. The system produces 15 tons of refrigeration. Determine a) the coefficient of performance, b) refrigerating efficiency, c) horsepower per ton of refrigeration, d) rate of refrigerant flow in lb per min, e) theoretical horsepower input to compressor, and f) theoretical piston displacement of compressor in cu ft per min.
After heat is absorbed into a condenser medium in a water-cooled condenser, the heat can be deposited in one of two places. What are they?
2. A boiler produces a steam at 2.417 Mpa and 468.9oC. The steam enters a turbine where after the extraction of energy enters a steam condensing unit. The pressure inside the condenser is maintained at 0.1578 MPa. If the system operates on a simple Rankine cycle, solve for: a) heat added per cycle, b) heat rejected, c) cycle net work and d) the cycle thermal efficiency. (3 DECIMAL IN FINAL ANSWERS PLS THANK YOU)
AC/ pump analysis System 2 tons operating steadily to maintain 60 F inside. Temperature outside: 30 F Assume 10 degree temp difference between the refrigerant R-134a and the two thermal reservoirs with which the refrigerant exchanges heat. COP = 9.0 Determine: compressor efficiency (%), condenser pressure (psia), evaporator pressure (psia), mass flow rate of R-134a (lb/sec)
An ammonia simple saturation cycle operates at 35 psia suction pressure and 172 psia condenser pressure. For a load of 1600 Btu per minute, determine: a) The refrigerating effect b) The COP c) The gallons per minute ( GPM ) of cooling water in the condenser if water temperature is increased by 10 F. d) The actual work e) The actual piston displacement with 5% clearance. PLEASE SOLVE FOR D AND E
4. Give the Energy balance at an open heater.
The repair time data for a boiler in a thermal power plant are given by 4.2, 4.5, 4.9, 5.0, 5.2, 5.6, 5.8, 6.1, 6.3, 6.4, 6.7, 6.8, 7.0, 7.3, and 7.5 hours. Find a) the maintainability of the boiler for an allowed downtime of 6 hours. b) the downtime required to achieve a maintainability of 0.95. c) the required MTTR when the allowable downtime is 6 hours for a maintainability of 0.95. Assume that the repair times follow exponential distribution.
please written solution by hand and how can com h6 and s6 when T turbine inlet = 130 C , P heat exchanger = 20 bar , P condenser = 5 bar , Tw . cond out = 25 C Tw cond in = 17.5 C efficiencies compressor = 67.5 efficiencies turbine = 78 m. refrig =0.4 kg/s