. A 10 TR ammonia ice plant has a two-pass shell-and-tube water-cooledcondenser. The water enters at 30°C. The temperature rise of water may be takenas 2.5°C. The refrigerant condensing temperature is 35°C, the heat rejection ratioof the plant is 1.35. The condenser has 24 steel tubes of 21 mm OD and 13.65mm ID. Determine the length of the tubes.

Answered: Image /qna-images/answer/fb9cc13f-28cd-41be-b5e2-9a1e3776c24d.jpg

denser. The water enters at 30°C. The temperature rise of water may be take 2.5°C. The refrigerant condensing temperature is 35°C, the heat rejection rat the plant is 1.35. The condenser has 24 steel tubes of 21 mm OD and 13.6 n ID. Determine the length of the tubes.

denser. The water enters at 30°C. The temperature rise of water may be take 2.5°C. The refrigerant condensing temperature is 35°C, the heat rejection rat the plant is 1.35. The condenser has 24 steel tubes of 21 mm OD and 13.6 n ID. Determine the length of the tubes.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

See similar textbooks

Similar questions

An ice plant of 200 tons refrigeration capacity makes use of the shelland tube superheat remover. The temperature of discharge is 112 OCand vapor is cooled to 52 OC. Water enters at 24 OC and is heatedduring the counterflow with the vapor to 70 OC. The compressoroperates at 1352.2 kPaa condenser pressure and 247.14 kPaaevaporating pressure. The overall coefficient of heat transfer is 390kJ/hr-m2-C. Calculate the LMTD.
11 MWth plant operates at a thermal efficiency of 34%. The waste heat is dumped across a condenser which operates at a shell side pressure of 0.717 psia. For the given information below, determine the condenser tube length. A Coolant Flow Rate 4.81 x 108 Ibm/hr Coolant Inlet Temperature 60 F Number of Tubes 62,832 Lattice triangular Pitch 1.5 inch Tube OD 1 inch Tube ID 0.944 inch Tube Thermal Conductivity 10 Btu/hr-ft-F Condensing Heat Transfer Coefficient 1228 Btu/hr-ft²-F
helpp
I need answer in 1hr do it fast. A shell-and-tube heat exchanger is set at the one shell pass and two tube passes. Hot air enters the shell at 90°C, and leaves at 50°C, whose mass flow rate is 5 kg/s. Cold water enters the tube at 23°C, whose flow rate is 3 kg/s. What is the water outlet temperature? What is the overall UA of the heat exchanger? a) Draw the problem diagram. b) List all required properties and equations to solve this problem. c) Solve the problem
Use R12 refrigerantTconderser= 31oC Tevaporator= -22oC Temp @ state 5 is = 1oC Qa= 20.01TR Draw PH diagram and solve for COP
Please find the highest thermal efficiency possible, while remaining within the boundaries. What is required: -Power produced must be at least 60 Mega Watts -Thermal efficiency must be greater than 36% -Back-work ratio must be smaller than 48% Assume: -air is the working fluid -specific heats vary with temperature (use table A-17) -Compressor inlet is at 1atm and 300k -the combustion process is isobaric and is modeled as a heat exchanger -Turbine exhaust is the same pressure as compressor inlet Compressor specifics: -Max volume flow rate (m^3/h) = 600,000 -Max outlet pressure (atm) = 12 -Isentropic efficiency = 90% Combustion chamber and gas tubine specifics (Note these come as a set) -Max pressure = 16.7 atm -Max temp = 1500 (celcius) -Turbine isentropic efficiency = 92% -Max heat rate = 230MW
A 95kg/hr hot fluid is used to heat a cold fluid from 10oC to 70oC using a double pipe heat exchanger (DPHE). The hot fluid enters at 205°C and leaves the DPHE at 108°C. The Cp of hot fluid is 1.10 kcal/kg°C and the Cp of cold fluid 0.95 kcal/kg°C. a) Calculate the LMTD if the the flow is cocurrent in oC b) Calculate the LMTD if the the flow is countercurrent in oC
Please help me .. answer my Question , I don't want to quote or plagiarize, don't use your handwriting just use MS Word . Question (b)
Draw the Temperature & compute the LMTD for CO-CURRENT & COUNTER-CURRENT flow heat exchanger. A single-pass tubular type heat exchanger heats air from 35 C to 80 C. Exhaust gas from DIESEL engine at 350 C is used as heating medium. If the final temperature of exhaust gas leaving the heat exchanger is 140 C, what is the LMTD?
100 C² saturated steam enters the turbine Vapour at 6 MPa and Sahared liquidenters the pump at apressure of 0.01 MPa If the Detemain as heat rate to borler is ISO MU D thermal off
The condensing pressure for a Rankine engine is 0.001325 MPavac. Calculate the following for steam flow rate = 1 kg/sec of steam when the steam at the beginning of expansion is at 119.6 deg SH and 4.0 Mpaa. Draw the TS and equipment diagrams for the ideal and actual case and find for the following for the ideal case: Pump work in KW. Ans. Ideal heat rate in KJ/KW-hr. Ans. Rankine engine efficiency (%). Ans. Cycle thermal efficiency ( %). Ans
The condenser of a steam power plant has a total surface area of 45m^2 and an overall heat transfer coefficient of 2100Watts/m^2-K. Saturated steam from the turbine enters this condenser at 30C and leaves as saturated liquid at the same temperature. Cooling water enters the condenser at 14C and leaves at 22C. A. Draw the figure, sketch the t-L diagram, then, compute the LMTD of the cross-flow heat exchanger in Kelvin. B. How much heat is transferred by the condenser in MW? C. How much steam passes through the condenser in kg/s? D. How much cooling water is supplied to the condenser in kg/s.