5-83 Refrigerant-134a at 700 kPa, 70°C, and 8 kg/min is cooled by water in a condenser until it exists as a saturated liquid at the same pressure. The cooling water enters the condenser at 300 kPa and 15°C and leaves at 25°C at the same pressure. Determine the mass flow rate of the cooling water required to cool the refrigerant. Answer: 42.0 kg/min

5-83 Refrigerant-134a at 700 kPa, 70°C, and 8 kg/min is cooled by water in a condenser until it exists as a saturated liquid at the same pressure. The cooling water enters the condenser at 300 kPa and 15°C and leaves at 25°C at the same pressure. Determine the mass flow rate of the cooling water required to cool the refrigerant. Answer: 42.0 kg/min

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 piston-cylinder device whose piston is resting on top of a set of stops initially contains 0.6 kg…

A: Given:The mass of the helium gas is m=0.6 kg.The initial pressure of the helium gas is P1=100…

Q: 7-93 Air is compressed in a piston-cylinder device from 100 kPa and 17°C to 800 kPa in a reversible,…

A: Here we will use the basic relationship between temperature and pressure for adiabatic process and…

Q: A pneumatic (air charged) lifting device is shown in the figure, which consists of a piston-cylinder…

A: First law of thermodynamics First law of thermodynamics says that energy can not be created nor be…

Q: 5-36 Steam enters a nozzle at 400°C and 800 kPa with a velocity of 10 m/s and leaves at 375°C and…

Q: A variable-load piston-cylinder device contains air (cp = 1.005 kJ/kgK; cv = 0.718 kJ/kgK) at 500…

Q: A compressor operating with 7.7 kg/s water vapour with a compression ratio (P2/P1) equal to 3.0 is…

Q: 5-36 Air enters an adiabatic nozzle steadily at 300 kPa, 200°C, and 45 m/s and leaves at 100 kPa and…

A: The inlet pressure of the air, (P1)=300 kPaThe inlet temperature of the air, (T1)=200oCThe inlet…

Q: 5-24 A house is maintained at 1 atm and 24°C, and warm air inside a house is forced to leave the…

A: Given:The pressure in the house is the temperature inside the house is the discharge of the air is…

Q: Liquid water at 200 kPa and 15°C is heated in a chamber by mixing it with superheated steam at 200…

A: Given, T1 = 15°C P1 = 200 kPa =0.2 MPa m1 = 4 kg/s P2 = 200 kPa =0.2 MPa T2 = 200°C mass flow rate…

Q: A 0.5m³ rigid tank containing hydrogen at 20°C and 600 kPa is connected by a valve to another 0.5m³…

A: given : VA = 0.5 m3 TA = 20⁰C = 293 K PA = 600 kPa VB = 0.5 m3 TB = 30 ⁰C = 303 K PB = 150 kPa…

Q: A piston cylinder device contains 0.850 kg of refrigerant-134a at -10.0°C. The piston that is e and…

Q: A rigid, insulated tank that is initially evacuated is connected through a valve to a supply line…

A: Linear interpolation is a method of curve fitting that uses linear polynomials to create new data…

Q: An open feedwater heater heats the feedwater by mixing it with hot steam. Consider an electric power…

A: Solution: Given Data: ms=0.1 lbm/sPs=10 psiaTs=200oFmf=2 lbm/sPf,i=10 psiaTf,i=100oFPf,e=10…

Q: A piston-cylinder device contains 0.13 kg of air initially at 2 MPa and 350°C. The air is first…

A: Introduction In this problem, we will calculate the work done by the piston cylinder device or work…

Q: Steam enters a diffuser at 20 psia and 240°F with a velocity of 900 ft/s and exits as saturated…

A: Given: The inlet pressure of the steam is P1=20 psia. The inlet temperature of the steam is T1=…

Q: An autoclave contains 1000 cans of pea soup. It is heated to an overall temperature of 100 °C. If…

A: The calculation has been shown in the step-2.

Q: 7-88 An insulated piston-cylinder device initially contains 300 L of air at 120 kPa and 17°C. Air is…

A: Initial pressure =120KpaInitial temperature =170 cHeater resistance =200 Wtime=15 minvolume=300 L

Q: ces Neon is compressed from 100 kPa and 23°C to 500 kPa in an isothermal compressor. Determine the…

A: Given data P1 = 100 kpa T1= T2 = 23°C Compressed to P2 = 500 kpa. Find the change in specific…

Q: Air is compressed by an adiabatic compressor from 100 kPa and 20°C to 1.8 MPa and 400°C. Air enters…

A: Given data as per the question Initial pressure =100 kpa Initial temperature =200 c Final…

Question

elesi
X3
5-83 Refrigerant-134a at 700 kPa, 70°C, and 8 kg/min is cooled by water in a condenser until
it exists as a saturated liquid at the same pressure. The cooling water enters the condenser at
300 kPa and 15°C and leaves at 25°C at the same pressure. Determine the mass flow rate of
the cooling water required to cool the refrigerant. Answer: 42.0 kg/min

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

VIEW

Step 2

VIEW

Step 3

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 3 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

A-C line Liquid R-134a A rigid container containing 6.6 kg of saturated liquid R-134a at 24°C is used to fill an air-conditioning system. A valve is opened and allows liquid R-134a to escape the tank into the A-C line until only 0.49 kg of R-134a remains in the tank, at which point the valve is closed. During the process, heat transfer is allowed to occur to maintain the tank temperature at 24°C. What is the quality of the refrigerant inside the tank at the end of the process? What is the total heat transfer for this process? KJ
A long roll of 2-m-wide and 0.5-cm-thick 1-Mn manganese steel plate (ρ = 7854 kg/m3 and cp = 0.434 kJ/kg·°C) coming off a furnace at 820°C is to be quenched in an oil bath at 45°C to a temperature of 51.1°C. If the metal sheet is moving at a steady velocity of 10 m/min, determine the required rate of heat removal from the oil to keep its temperature constant at 45°C. A
Liquid water at 200 kPa and 15°C is heated in a chamber by mixing it with superheated steam at 200 kPa and 150°C. Liquid water enters the mixing chamber at a rate of 4.3 kg/s, and the chamber is estimated to lose heat to the surrounding air at 20°C at a rate of 1200 kJ/min. If the mixture leaves the mixing chamber at 200 kPa and 80°C, determine the mass flow rate of the superheated steam.
5-62 Refrigerant-134a is throttled from the saturated liquid state at 700 kPa to a pressure of 160 kPa. Determine the tem- perature drop during this process and the final specific vol- ume of the refrigerant. Answers: 42.3°C, 0.0345 m³/kg P₁ = 700 kPa sat. liquid R-134a P₂ = 160 kPa FIGURE P5-62
5-51 Steam flows steadily through an adiabatic turbine. The inlet conditions of the steam are 4 MPa, 500°C, and 80 m/s, and the exit conditions are 30 kPa, 92 percent quality, and 50 m/s. The mass flow rate of the steam is 12 kg/s. Determine (a) the change in kinetic energy, (b) the power output, and (c) the turbine inlet area. P₁ = 4 MPa T₁ = 500°C V₁ = 80 m/s Steam m = 12 kg/s P₂ = 30 kPa X₂ = 0.92 V₂ = 50 m/s W out
Question 6 Steam flows steadily through an adiabatic turbine. The inlet conditions of the steam are 10 MPa, 450°C, and 80 m/s, and the exit conditions are 10 kPa, 92 percent quality, and 50 m/s. The mass flow rate of the steam is 12 kg/s. Determine (a) the change in kinetic energy (b) the power output, (c) the turbine inlet area. Answers: (a)-1.95 kJ/kg, (b) 10.2 MW, (c) 0.00447 m² P-10 MPa 7₁-450°C V₁ = 80 m/s STEAM m = 12 kg/s P₂ = 10 kPa 4,-0.92 V₂ = 50 m/s out
5-100 A long roll of 2-m-wide and 0.5-cm-thick 1-Mn manganese steel plate (p = 7854 kg/m³ and cp = 0.434 kJ/kg-°C) coming off a furnace at 820°C is to be quenched in an oil bath at 45°C to a temperature of 51.1°C. If the metal sheet is moving at a steady velocity of 10 m/min, determine the required rate of heat removal from the oil to keep its temperature constant at 45°C. Answer: 4368 kW
2
An adiabatic capillary tube is used in some refrigeration systems to drop the pressure of the refrigerant from the condenser level to the evaporator level. The R-134a enters the capillary tube as a saturated liquid at 50°C and leaves at -22.00°C. Determine the quality of the refrigerant at the inlet of the evaporator. Use data from the tables. (Round the final answer to three decimal places.) The quality of the refrigerant is