What would be the necessary bore and stroke of a single acting four- cylinder, 350 rpm ammonia compressor working on simple saturation cycle between 35°C condenser and –15°C evaporator temperatures and developing 15 tons refrigeration. Given for the compressor: Ratio of stroke to bore = 1 Volumetric efficiency = 0.7

What would be the necessary bore and stroke of a single acting four- cylinder, 350 rpm ammonia compressor working on simple saturation cycle between 35°C condenser and –15°C evaporator temperatures and developing 15 tons refrigeration. Given for the compressor: Ratio of stroke to bore = 1 Volumetric efficiency = 0.7

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: A refrigerant system with a capacity of 15 tons of refrigeration operates at 150 KPA evaporator…

Q: Example Air conditioning unit uses Freon R-22 for conditioned office at 25 C. The evaporating…

Q: A refrigeration system with a capacity of 10 tons of refrigeration, operates at 210 kPa evaporator,…

Q: Describe the Internally and Externally Reversible Processes

A: A process is said to be the internally reversible process in which the system returns to its…

Q: ressure is 1431 kpa (a) compute the power requirement for a system with a single compression. (b)…

A: QA=210kW˙Temperature=-20°C.......in question it is given F if so the value becomes-28.889CSo we will…

Q: Q5) A liquid subcooler as shown in the Figure receives liquid ammonia at 30°C and subcools 0.6 kg/s…

A: Temperature of Ammonia at the subcooler inlet, T1=30oCMass flow rate of Ammonia at the subcooler…

Q: A Freon 12 plant operates between saturation temperature limits of -5°C℃ and 40°C. The refrigerant…

Q: Please read the problem and solve what is asked. Thanks! A two-stage compressor with an ideal…

A: Givenhellium gasv1=0.5m3/sP1=150kPaT1=300KP2=7500kPa

Q: The evaporator and condenser temperature of a 20 to-ton -capacity freezer are -28 OC and 23 OC…

Q: Saturated liquid Refrigerant-134a at 40°C is throttled to -10°C. The refrigerant then enters an…

A: The mass flow rate of the refrigerant, The inlet temperature of the refrigerant at the throttle, The…

Q: ondensing ter со condenser as earance volum

Q: 0.97 dry. Find: 1. Coefficient of performance: and 2. Power required.

A: Given that: The working fluid is ammonia Condensing temperature = 25°C Evaporating temperature =…

Q: a steam 8.0 MPa and 485 degree Celsius enters the turbine and expand at condenser pressure of 0.006…

A: Givenmass of the steam m=1kgsteam enter at turbineP1=8MPaT1=485oCcondenser endP2=0.006MPa

Q: an ammonia system supplies chilled brine for a 10 ton load at 0F, a 2 ton load at 20F, and 4 ton…

Q: A vapor compression refrigeration system has an enthalpy of saturated liquid at the high temperature…

A: Given:Enthalpy of saturated liquid at the high temperature side, hf1=341.769 kJ/kgEnthalpy of…

Q: Task 1 Derive the non-flow and flow energy equations from first thermodynamic principles. Task 2…

Q: a alll Asiacell The unit of temperature in S.I.-17 * units The unit of temperature in S.I. units is…

A: Note: - As per the guidelines of Bartleby, only one question is allowed to answer so please submit…

Q: A turbine receives steam at a pressure of 9.95 MPa and temperature of 648 °C. The condenser pressure…

A: Given, Turbine pressure = 9.95 MPa Condenser pressure = 0.225 MPa. Brake engine efficiency =…

Q: For a 10-ton-capacity refrigeration system, the pressure of refrigerant in the evaporator is 150…

Q: Q4) A refrigeration system using refrigerant 22 is to have a refrigerating capacity of 80 kW. The…

Q: A refrigerant 12 refrigeration system requires a load of 54 kW at an evaporator pressure of 270 kPa…

Q: is used to superheat the vapor entering the compressor while subcooling the liquid leaving the…

A: An improved refrigeration system with a heat exchanger is shown in the following picture. The heat…

Q: Q:absorption cycle used a water as refrigerant and Lithium Bromide as absorbent fluid. The mass rate…

A: To Find:The COP of the system Given:Mass flow rate of the flow is : m=0.5 kg/sTemperature of…

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: 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: Homework-2 Compute the themal e fficiency of an ideal Ran kine cycle for which the steam leaved the…

A: Answer: (a) The thermal efficiency of ideal Rankine cycle is 35.60 %. (b) The mass flow rate of the…

Q: n a Refrigerant 12 system which serves a 212 kw evaporator at - 30 0C. The system uses two stage…

Q: volumetric efficiency and if the discharge pressure shall be raised to 1400 kPa, a) what is the…

Q: A turbine receives steam at a pressure of 9.90 MPa and temperature of 648 °C. The condenser pressure…

A: Given, Turbine pressure = 9.95 MPa Condenser pressure = 0.225 MPa. Brake engine efficiency =…

Q: Given: Qref Tu = Te Refrigerant Requited: = I TOR 30°C - 200с 1 а " R 1349 сор

Q: An ideal multi pressure refrigeration system consists of 57 tons HP Evaporator at 9°C and 63 tons LP…

A: Given that, HP Evaporator, Qhe=57 tons, The=9 °CLP Evaporator, Qle=63 tons, Tle=-26 °C,Condenser…

Q: Q2: A simple R134a vapor compression system operates between 40°C condensing temperature and-10°C…

Q: A vapor compression refrigeration system has an enthalpy of saturated liquid at the high temperature…

Q: our compression refrigerator operates between the pressure limits of 462.4 kN/m² and 1785.9 kN/m².…

Q: (8) A refrigerant 12 refrigeration system requires a load of 54 kW at an evaporator pressure of 270…

A: Given:Refrigerant=R12Refrigeration load, Q˙e=54 kWEvaporator pressure, Pe=270 kPaCondenser pressure,…

Q: Compute the following: a. Refrigerating capacity of the system (kW) b. Intermediate pressure (Pa) p,…

Q: Draw the multipressure systems with cycle diagram i. one compressor and two evaporators (at same…

A: Please refer the following refrigeration cycles on P-h diagrams.

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

Q: A cooling system capacity Fifteen ton refrigeration, operating at 150 kPa in the evaporator, while…

A: Given data as per the question Evaporator pressure =150 kpaCondensor pressure=950 kpaRefrigration…

Q: y answer

Q: Q4: a four cylinder 75 mm bore and 75 mm stroke compressor run at 25 rps and has a volumetric…

A: Number of cylinder of compressor, n=4Bore of cylinder, D=75 mm =0.075 mStroke of piston, L=75…

Q: In a refrigeration plant ammonia enters the expansion valve as a liquid at 32°C and leaves the…

Q: Refrigerant 134a is used in a cooling system operating according to the ideal cooling cycle with…

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

Question

(a) What would be the necessary bore and stroke of a single acting four-
cylinder, 350 rpm ammonia compressor working on simple saturation
cycle between 35°C condenser and -15°C evaporator temperatures and
developing 15 tons refrigeration. Given for the compressor:
Ratio of stroke to bore = 1
Volumetric efficiency = 0.7
(b) If the index of compression is 1.15, find the error introduced in calculat-
ing the work of compression by assuming the process to be isentropic.
Also, find the heat rejected to the compressor-jacket cooling water.

Expert Solution

This question has been solved!

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

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1: Note

VIEW

Step 2: Given data

VIEW

Step 3: From Saturated Ammonia Table

VIEW

Step 4: Calculating Refrigerating Effect

VIEW

Step 5: Calculating Mass flow rate

VIEW

Step 6: Calculating Actual Volume Flow rate

VIEW

Step 7: Calculating the Necessary Bore and Stroke

VIEW

Step 8: Result

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 8 steps

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

An ideal refrigeration system using R-134a, working at -10 °C and 40 °C for evaporator and condenser temperature respectively. What is the Pressure of condenser and Evaporator respectively in "bar" unit.
A process in a plant is to he revised such that the airflow rate through Si system will increase from 8000 cfm to 10,000 cfm, The existing fan runs at 1600 rpm and provides 6,0 in, H2O SP. Estimate the new speed required for this fan and the new SP.
What are the advantages of 1-reheater 2-economizer 3-fixed row of steam turbine.
For a simple piping system of an industrial process and sugar and alcohol, what would be, on average, the appropriate pressure and flow, taking into account that the system has little equipment, such as a heat exchanger?
A refrigeration system with a capacity of 10 tons of refrigeration, operates at 210 kPa in the evaporator, while in the condenser it is 1240 kPa. If refrigerant R-717 is saturated, calculate the theoretical power required to operate the compressor. Compressor Power = AnswerkW.
An ideal vapor compression refrigeration cycle that uses refrigerant-134a as its working fluid maintains a condenser at 800 kPa and the evaporator at - 12 C. 1. Complete the table below 2.Calculate the specific enthalpy at the compressor exit to 2 decimal places 3.Calculate the mass flow rate of refrigerant in kg/s 4.Find the power requirement in KW to 3 decimal place and also find the coefficient of performance to 1 decimal place.
Solve using P-h chart with a clear handwriting
Figure below shows a steam jet refrigeration system that produces chilled water in a flash chamber. The chamber is maintained at a pressure by the steam ejector, which removes the vapor generated by entraining it in the low-pressure jet and discharging into the condenser. The vacuum pump removes air and other non-condensable gases from the condenser shell. For the conditions shown on the figure, determine the make-up water and cooling water flow rates in kg/hr. SHOW THE NEEDED DIAGRAMS FOR THE SOLUTION
Provide the evidence of describing how the reciprocating air compressors (applicable to a particular purpose) may be used to save energy cost and still prevent disadvantages on other
Use ashrae table and charts
9. A 9.5 tonnes capacity of ammonia refrigerator operates between evaporator and condenser temperature of -13°C and 28°C is needed in a food storage locker. The refrigerant is sub-cooled by 4°C before entering the expansion valve. The vapour is 0.90 dry as it leaves the evaporator coil. The compression in the compressor is adiabatic type. Using p-h chart find (i) Condition of vapour at outlet of the compressor (ii) Condition of vapour at entrance to evaporator (iii) С.О.Р. (iv) Power required in kW Neglect valve throttling and clearance effect.
In a refrigerant 12 system which serves a 250 kw evaporator at -30°C. The system uses two stage compression with intercooling and removal of flash gas. The condenser temp is 40°C. h2 = 357 kJ/kg, h4 = 365 kJ/kg Compute the ff:- mass flow rate at low stage compressor (m1), answer must be in kg/s- mass flow rate at high stage compressor (m3), answer must be in kg/s- low stage compressor work, answer must be in kw