An ammonia ice plant produces ice from water at 30°C to ice at -5°C. It works on standard vapour compression cycle, dry saturatedconditions at compressor inlet. The enthalpies at compressor inlet and condenser exit are 1443.9 kJ/kg and 366.1 kJ/kg. Mass flow rate ofthe refrigerant is 180 kg/h. The ice produced is. tons per day. Specific heat of water = 4.186 kJ/kgK; Specific heat of ice = 1.94kJ/kgk Latent heat of water at 0°C = 335 kJ/kgK

given:h1=1443.9kj/kgh3=366.9kj/kgspecific heat of water =4.186kj/kgkspecific heat of ice =1.94kj/kgk

Answered: works on standard vapor condenser exit…

Engineering

Mechanical Engineering

works on standard vapor condenser exit are 1443.9

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

Related questions

Q: PROBLEM 1: A 20-ton vapor compression refrigeration system is to evaporate R-12 at -20°C and to…

A: Solution: Given Data: Q=20 tons×3.52=70.4 kW N=10000 rpm×160=166.67 rpsc=0.05

Q: 1. Consider the following schematic of a power plant (operating in what is called a 'Rankine Cycle')…

A: Given data: Mass flow rate (m) =25 kg/s Write thermal property value at the corresponding points…

Q: installing a spray condenser with a wet type cooling tower is not practical Choice. explain why?

A: When installing a condenser with cooling tower than in that case there are different types of flow…

Q: determine the C.O.P of the simple vapor compression refrigeration cycle R-717. The evaporation…

A: Evaporation temperature = -10 C Condenser temperature = 40 C Find COP

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: Step 2) Find the optimum value of the reheat pressure in order to achieve the highest efficiency in…

A: Draw the diagram of ideal rankine cycle with reheater-

Q: Which part in the mechanical heat pump is used to increase the refrigerant pressure? Select one: a.…

A: Given Data : Mechanical heat pump

Q: 12. The condenser pressure 600 mm Hg vac. The surrounding condition is at 760 mm Hg. Determine the…

Q: PROBLEM 1 : A 50-ton vapor compression refrigeration system is to evaporate R-12 at -20°C and to…

A: “Since you have posted a question with multiple subparts, we will solve first three sub parts for…

Q: Why does the water enter the condenser at the lowest point and leave from the highest point?

A: A water-cooled condenser is a heat exchanger that removes heat from refrigerant vapor and transfers…

Q: Contact condensers are a. sometimes referred to as shell and tube heat exchangers b. control…

A: Contact condensers are a. sometimes referred to as shell and tube heat exchangers b. control…

Q: The values for the evaporator and condenser side of the air conditionercompressor system are given.…

A: Since 1-2 is a compression process i.e., reversible adiabatic process and according to question:- At…

Q: EXPLAIN HOW QUANTITY OF COOLING WATER IN A CONDENSER IS ESTIMATED.

Q: 0/A vu pcar - compression ret rigrufion cple uses R-12 as a wor R-12 enters he compressor as Sat…

Q: Throttle [Ideal Vapor compression Refrigeration? The amonia leaving Condenser is under cooled by 2K…

A: P[1] = 120[kPa] P[2] = 900[kPa] The ideal refrigeration and refrigerant is ammonia. Find the…

Q: For combined cycle, the condensation losses in two-pressure system is higher than single pressure…

Q: A 200 MW steam power plant operates on a simple Rankine cycle with superheated steam entering the…

Q: n industrial plant has available a 4 cylinder, 6 - mm bore by 2 - mm stroke, 800 rpm, single-acting…

A: Given Bore dia D=76mm = 0.0176 mmStroke length L=102mm =0.102…

Q: efrigeration system using refrigerant 12 is to have a refrigerating capacity of 80 kW. The cycle is…

A: Given:T1=-15°C =258 KT2=30°C =303 K

Q: the highest pressure of water in the power plant cycle is located a. after the boiler b. at the…

A: Given: The highest pressure of water in the power plant is at the.......

Q: 5. Sketch a Rankine cycle on T-s diagram and derive the thermal efficiency for a rankine cycle from…

Q: An ideal multi-pressure refrigeration system consists of two Compressors serving one 60 Tons…

Q: A device that opens when condenser pressure rises 19. to a proper level and closes to block the flow…

Q: A 200 MW steam power plant operates on a simple Rankine cycle with superheated steam entering the…

Q: 12. A hot-gas bypass valve directs hot-gas refrigerant from the discharge line to the A. condenser…

A: Option A is correct. Condenser

Q: In all liquid refrigerant lines, the pressure at the bottom of a vertical rise isgreater than the…

A: Given Data : h=7.5 ft h=90 in Pressure at every point in the vertical pipe (P)=0.5144 lbin2

Q: 9. Define condenser.

A: Heat Pumps: The devices that transfer heat from cold bodies to hot bodies are called heat pumps.…

Q: An industrial plant has available a 4 cylinder, 3 in bove by an, stroke, 800 rpm, single-acting…

Q: Comment on this diagram. Condenser Valve Compressor Evaporator

Q: Evaluate the co-efficient of performance and heat transfer rate in the condenser of a refrigerator…

A: COP stands for Coefficient Of Performance and indicates the efficiency of heating and cooling…

Q: Given the following information about a condenser system, determine the fan power requirement, Fp:1.…

A: Power is defined as the rate of energy required to induce a mechanical motion. Flowrate is the…

Q: Why do some condensers have to be cleaned with brushesand others with chemicals?

A: It is implied in the problem description that some condensers require brush cleaning and others…

Q: QI/ Refrigeration unit using R-134a as shown in figure below contains two compressors and two…

Q: Find C.O.P from a simple vapor compression refrigeration cycle R-134 evaporation temperature is -15…

Q: Calculate the mass flow rate of the refrigerant.

A: Heat rejection from the refrigeration and heat pump system:Time taken for one cycle=0.7 sec.From the…

Q: How many BTUS are extracted in one hour?

A: To find BTU Extracted in one hour.

Q: In an ideal vapour compression refrigeration cycle the specific enthalpy of refrigerant (in kJ/kg)…

A: Given:Exit of evaporator, h1= 232 kJ/kgInlet of condenser, h2= 283 kJ/kgExit of condenser, h3=h4=116…

Q: A standard vapor-compression cycle developing 50kW of refrigeration using R22 operates with a…

Q: Example: In the reheated Rankine cycle shown in the figure, the boiler pressure is 6 MPa, the…

A: In a Rankine cycle, water or steam is mostly used as the working fluid. So, we assume that steam is…

Q: Q.2: A refrigeration system using refrigerant 22 is to have a refrigerating capacity of 80 kW. The…

A: Refrigerant=R22Refrigerating capacity, Q˙e=80 kWEvaporating temperature, Te=-8oCCondensing…

Q: A 200 MW steam power plant operates on a simple Rankine cycle with superheated steam entering the…

Q: The subcooling temperature in a condenser can be measuredby taking the difference between theA.…

A: Draw the sub-cooling process in a refrigeration system T-s diagram.

Q: in a steam poer cycle the steam suppy is at 15 br and dry and saturated .the condenser pressure is…

A: Given data as per question The pressure of steam =15 bar Condenser pressure =0.4 bar pressure…

Question

100%

An ammonia ice plant produces ice from water at 30°C to ice at -5°C. It works on standard vapour compression cycle, dry saturated
conditions at compressor inlet. The enthalpies at compressor inlet and condenser exit are 1443.9 kJ/kg and 366.1 kJ/kg. Mass flow rate of
the refrigerant is 180 kg/h. The ice produced is. tons per day. Specific heat of water = 4.186 kJ/kgK; Specific heat of ice = 1.94
kJ/kgk Latent heat of water at 0°C = 335 kJ/kgK

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

VIEW

Step 2

VIEW

Step by step

Solved in 2 steps with 1 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

In a Refrigerant 11 system ,one evaporator is to provide 210 kw of refrigerant at 0 0C and another evaporator is to provide 224 kw at -200C . The system uses two stage compression with intercooling and removal of flash gas. The condenser temp is 400C . Given that, h2=389kJ/kg, h4=416kJ/kg Compute the following: a.) mass flow rate at low stage compressor (m1)ANSWER: 1.25377 kg/s b.) mass flow rate at high stage compressor (m3)ANSWER: 2.90255 kg/s c.) low stage compressor workANSWER: 12.96406 kw d.) high stage compressor workANSWER: 78.68819 kw e.) total compressor workANSWER: 91.65226 kw f.) COPANSWER: 4.73528 g.) heat rejected in the condenserANSWER: 525.65226 kw
Specify the C.O.P. of the cycle vapor compression refrigeration simple R-134a. Temperature evaporation is -10 °C and the temperature of the condenser is 30 °C. (COP is found using enthalpy)
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:
using the values given in the two evaporator refrigeration systema) Draw the T-s diagram. (evaporator output saturated steam, condenser output saturated liquid, compressor isentropic efficiency is 0.8)b) Find the coefficient of performance (COP).
Find C.O.P from a simple vapor compression refrigeration cycle R-717 the evaporation temperature is -10 degrees Celsius and the condenser temperature is 30 degrees Celsius
8 Calculate the COP value for the vapor compression refrigeration cycle where Th=10C and Tc=-20C.
Cold storage uses R134a, the evaporator temperature is -7C and the condenser temperature is 32C. The cooling load is 5.3103 kJ/min. The cycle is ideal. Determine: 1. Mass flowrate of the refrigerant. 2. Coefficient of Performance (COP). - If the water condenser is used that enter at 24C and exit at 30C. determine the water flowrate.
What are the intercooler pressure in a three stage compressor with suction pressure of 101.325KPa and final pressure of 2240KPa?
Under high evaporator heat loads , the temperature difference between the condenser and the ambient will be ? Higher Unpredictable Unchanged Lower
Space storage food requires system cooling capacity 10 ton refrigeration operates in the evaporator temperature -17.8 °C and temperature condenser 33.9 °C. Refrigerant used is R-717 and system operate on conditions saturated. Specify: a. COP = b. The flow rate of the refrigerant = kg/s. c. The rate of heat loss in condenser = kJ/s.
is the condenser that is used in power plants