A simple vapour compression system (VCS) is modified by installing a Liquid- Vapour regenerative heat exchanger. Analyze following. a. What changes will it cause to the vapour compression cycle? b. Illustrate the process on p-h diagram c. Illustrate schematic presentation of modified VCS.

A simple vapour compression system (VCS) is modified by installing a Liquid- Vapour regenerative heat exchanger. Analyze following. a. What changes will it cause to the vapour compression cycle? b. Illustrate the process on p-h diagram c. Illustrate schematic presentation of modified VCS.

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

Chapter47: High-pressure, Low-pressure, And Absorption Chilled-water Systems

Section: Chapter Questions

Problem 13RQ: The subcooling temperature in a condenser can be measured by taking the difference between the A....

See similar textbooks

Related questions

Q: b) TNB steam power plant in Cameron Highlands operates on reheat Rankine cycle and has power net…

Q: An R22 operates between evaporator and condenser temperatures of –20 C and 50 C, respectively. The…

A: Given:TL=-20°CTH=50°Cm=4800 kgTi=-10°CTf=30 Ct=24 hrs

Q: What is regenerative steam condenser? Explain with a simple diagram.

A: The answer is given below

Q: Explain the Entropy Generation in a Heat Exchanger

A: First, let us define entropy, entropy can be defined as the property of the system, which will give…

Q: A heat exchanger is heating water from 50 0 F to 160 0 F using steam on the shell at atmospheric…

Q: In simple and clear explanation. What is polygeneration system in refrigeration systems?

A: The polygeneration system is used in refrigeration for more efficient cooling . There is no specific…

Q: MW with 2 decimali places. a) Which heat flow has to be dissipated so that there is saturated liquid…

A: @0.0075 MPa specific enthalpy hf=168.75 hfg=2574.0 hg=2405.3 @ quality of 70% h = 168.75 +…

Q: 02. The Li-Br water absorption cycle with heat exchanger between absorber and generator operate at…

A: Given that, Generator Temperature, TG=100 °C=373 K,Evaporator Temperature, TE=10 °C=283 K,Absorber…

Q: Cooler 2 currently operates using R-134a as a refrigerant. The 2nd stage of your project is to study…

A: Given, 2.a. Using R-134a refrigerant

Q: determine a) The power required by compressor -) Mass flow rate of the water in the heat exchanger

A: The mass flow rate of air in the compressor is, m˙=0.5 kg/s The temperature of the air at compressor…

Q: A hot process stream is cooled by indirect heat exchange with feedwater to a boiler, thereby…

A: Given data: Inlet Temperature of water Ti=50oC Saturation Pressure Psat=10000 kPa Flow of process…

Q: Q1:- In a R-134A based refrigeration system, a liquid-to-suction heat exchanger (LSHX) with an…

Q: at of water is 0.4 kg/s and 4.18 kJ/kg°C. During typical operation cycles, air enters at 20°C and…

Q: Concentric Tube Heat Exchanger Why was it difficult to achieve steady-state conditions?

A: TO DETERMINE :- Why it is difficult to achieve steady-state conditions in concentric Tube Heat…

Q: An R-22 vapor compression system utilizes liquid to suction heat exchanger in the system. The…

A: As per BARTLEBY rule i answer only first 3 parts.

Q: A two-stage cascade vapor-compression refrigeration system uses R 12 and produces 15 tons of…

Q: Help me explain the derivation of thermal energy of the Stirling cycle

A: Draw the P-V diagram for the Stirling cycle. Here, 1-2 and 3-4 represent isothermal expansion and…

Q: rite down the steady flow energy equation (SFEE) and apply it for boiler, turbine, heat exchanger…

A: An open system's total energy fluxes are described by the Steady Flow Energy Equation. The mass…

Q: a refrigerant R-22 vapour compression system includes a liquid to suction heat exchanger in the…

A: **As per our company policy we are supposed to do only 3 parts if you want last part part please…

Q: Triple-Effect Evaporator with Reverse Feed. A feed rate of 20 410 kg/h of 10 wt % NaOH solution at…

A: Given data,Feed rate- 20410 kg/hNaOH-10wt%Temprature(T)=48.9°Cproduceed solution=50%Saturated steam…

Q: A heat exchanger is incorporated into an ideal air-standard refrigeration cycle, as shown in figure.…

Q: A direct contact condenser of the spry type receives 60 kg/s of 925 quality steam at 0.06 bar. A dry…

A: Given Data The mass flow rate of the steam is: m˙=60 kg/sec The quality of the steam is: x=92% The…

Q: 3. Generate the SFEE equations for the following process equipment with neat diagrams: 1. Air…

Q: R134a vapour compression system includes a liquid suction heat exchanger in the system. The heat…

A: Refrigeration: Refrigeration is the process in which heat is extracted from the body or space whose…

Q: 10.) R-134a is the working fluid in the two stage vapor compression refrigeration system using a…

Q: In a gas turbine plant __________________ is used to increase the turbine output a. heat exchanger…

A: Given data In a gas turbine plant __________________ is used to increase the turbine output

Q: Refrigerant 134a is used in an ideal vapor-compression refrigeration cycle as the working fluid to…

A: 1.At State 1Mass Flow rate of Refrigerant (m)=7 kg/sThe Evaporator Temperature of Refrigerant (T1)…

Q: TNB steam power plant in Genting Highlandsoperates on reheat Rankine cycleand has power net output…

Q: (c) A geothermal power plant withdraws saturated liquid at 230°C from a production well at a rate of…

Q: A refrigerant 22 vapor compression system includes a liquid-to-suction heat exchanger in the system.…

Q: A two-stage cascade system uses ammonia as the refrigerant. The evaporator is at -30OC temperature…

Q: | In a balanced counter flow heat exchanger with mchc = mhhh, the NTU is equal to 1. what is the…

A: Given:mchc=mhhhNTU=1

Q: Steam passes steadliy through a turbine and condenser as shown in the figure below. After expanding…

A: Dear student, we are suppose to solve only 3 subparts. Please post other parts as a separate…

Q: Double-Effect Evaporator with Reverse Feed. A feed rate of 20410 kg/hr of 10 wt % NaOH solution at…

A: Given data-Feed rate=20410 Kg/hF=20410=L3+v1+v2+v3FxF=20410(.10)=L3(0.50)+v1+v2+v3(0)L3=4082.0

Q: 6.7 A refrigerated room, used for product cooling, is being maintained at the desired temperature…

A: Solution: T1=T4=273 KP2=P2'=P3=900 kPa Point 1 is saturated vapor at 0° C : h1=250…

Q: (d) Explain the relationship between thermal efficiency (n) and compression ratio (r). (e) Why are…

Q: Example 15.12. A steam turbine is fed with steam having an enthalpy of 3100 kJ/kg. It moves out of…

A: In the physics when an object displaces in the direction of the force then that product between the…

Q: 5.18 : Taking the data of the preceding problem except the final temperature of the cooling water is…

A: In jet condenser, water mixes with steam and the temperature of water and condensate will be same.…

Q: Q2/Gas turbine unit having heat exchanger with thermal ratio(0.75),a high pressure stage turbine…

Q: а) Нeat Exchanger. b) What is the difference between a condenser and heat exchanger? c) Why every…

A: (a) A device in which the transfer of the heat takes place between two or more fluids is known as…

Q: HW Linde process is used for air liquefaction. The high-pressure gas leaving the compressor is at…

A: This problem is related to fluid mechanics. Fluid mechanics is the subject of mechanical engineering…

Q: Wet-mixture exhaust from a turbine at 7 kPaa at a rate of 75 kg/s enters a condenser with a total…

A: Given:- P=7 kPa Ms=75 kg/s A=2950 m2 Quality of exhaust steam, x=0.9 Vw=4.413 m3/s Tci=20°C Tni=…

Q: hat is the assumptions or reasons that help to make the error between hand calculation and hysus…

A: Heat is transferred from one medium to another using heat exchangers. These media might be in the…

Q: A single pass condenser with 5/8- inch OD tubes whose effective length is 18 ft and whose thickness…

A: Note: As per policy, we can solve the first three subparts. Please resubmit the remaining part.

Q: Used to cool a residential building with a cooling load (278 tons of refrigeration from…

A: Given data:-Refrigeration Capacity, RC=278tonsEvaporator temperature, TE=5°C=278KGenerator…

Q: Q. A regenerative air cooled system is used for an air plane to take 23 tons of refrigeration loads.…

A: given , regenerative air cooling system refrigeration load = 23 tonnes. T1 = 283 k P1 =…

Q: What is the log mean temperature difference in oC of a double-pipe counterflow heat exchanger where…

A: The logarithmic mean temperature difference (LMTD) is used to calculate the temperature driving…

Q: Q#2: the condenser of Geothermal Heat Pump will be cooled by A pipe with dimeter 3 cm buried in a…

A: In this problem, it is asking for only part (b). Qcooling=8 TR=8 TR3.5 kW1 TR=28 kWQs=hsA=30…

Question

A simple vapour compression system (VCS) is modified by installing a Liquid-
Vapour regenerative heat exchanger. Analyze following.
a. What changes will it cause to the vapour compression cycle?
b. Illustrate the process on p-h diagram
c. Illustrate schematic presentation of modified VCS.

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

Step 2

Step 3

Step 4

Step by step

Solved in 4 steps with 2 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.

Similar questions

Four methods for controlling head pressure in an air-cooled condenser are ______, ______, _______, and
02. The Li-Br water absorption cycle with heat exchanger between absorber and generator operate at the following temperature: generator temperature = 100°C, condenser temperature = 34°C, evaporator temperature=10°C, absorber temperature solution leaving heat exchanger to generator is 52°C. The flow rate of solution delivered by the pump is 0.6 kg/s. Is there a danger of crystallization? 30°C, and the temperature of %3D
Fill in the blanks: An ammonia vapor compression system includes a liguid to suction vapor heat exchanger in the system. The heat exchanger warm the saturated vapor coming from the evaporator from -10°C to 5°C with liquid which comes from the condenser at 30°C. Calculate the following a.) mass flow rate of refrigerant if it vaporizes at the rate of 3 Lps from the evaporator, kg/s Qu b.) refrigeration capacity, TOR c.) compressor's work in Hp d.) COP, e) heating capacity of the heat exchanger, kW
From the knowledge you have learned in the simple vapour compression cycle and multi-pressure refrigeration system, For both the diagram apply your knowledge by:a. Draw the PH diagram from the given schematic diagram belowb. Explain in details the concept and principle behind the diagram. This includes the mass of refrigerant flow and distribution.c. Explain in details the analysis behind the diagram.
A two-stage R-22 system uses flash-gas remoal and intercooling as in the previous problem. The evaporating temperature is -40 C and the condensing temperature is 30 C. The pumping capacity of the high and low stage compressors is shown below: (from picture solve a and b)
8. A binary-vapour eycle operates on mercury and steam. Saturated mercury vapour at 4.5 bar is supplied to the mercury turbine, from which it exhaust at 0.04 bar. The mereury condenser generates saturated steam at 15 bar which is expanded in a steam turbine to 0.04 bar. (i) Find the overall efficiency of the ceycle. (ii) If 50000 kg/h of steam flows through the steam turbine, what is the flow through the mercury turbine ? (ii) Assuming that all processes are reversible, what is the useful work done in the binary vapour eyele for the specified steam flow ? (iv) If the steam leaving the mereury condenser is superheated to a temperature of 300°C in a super- heater located in the mercury boiler, and if the internal efficiencies of the mercury and steam tur- bines are 0.85 and 0.87 respectively, caleulate the overall efficiency of the eycle. The properties of saturated mercury are given below : p (bar) tCC) (kJ/ kg) (kJ / kg K) (m'/kg) 4.5 450 63.93 355.98 0.1352 0.5397 79.9 x104 0.068 0.04…
A refrigerant 22 vapor compression system includes a liquid-to-suction heat exchanger in the system. The heat exchanger warms saturated vapor coming from the evaporator from -10 to 5 with a liquid which comes from the condenser at 30. The compressions are isentropic in both cases listed below.a. Calculate the coefficient of performance of the system without the heat exchanger but with a condensing temperature at 30 and an evaporating temperature of -10b. Calculate the COP of the system with the heat exchangerc. If the compressor is capable of pumping 12.0 L/s measured at the compressor suction, what is he refrigeration capacity of the system without the heat exchanger?d. With the same compressor capacity as in (c), what is the refrigeration capacity of the system with the heat exchanger?
Determine Exergy destroyed in the heat exchanger Exergy of condenser Exergy of evaporator Exergy destroyed of entire system
In a certain refrigeration system for low temperature application, a two-stage operation is desirable which employs ammonia system that serves a 40 − ton evaporator at −30°C. The system uses a direct contact cascade condenser, and the condenser temperature is 40°C. Sketch the schematic diagram of the system and draw the complete process on the PH diagram b. The mass flow rate in the low loops in kg/s c. The mass flow rate in the low and high pressure loops in kg/s d. The total work
4. Write a short note on the regenerative heat exchanger. b. Draw and explain the pool boiling curve for water mentioning different regions. a.
Explain the Entropy Generation in a Heat Exchanger
The air outside is 40 C and 60% r.h. I want torun an air conditioner to cool it to 15 C. The deliver rate should be 1000 m^3/min. What is Q and the rate at which water condenses (if any)?