### Two-Stage Compression Refrigeration System**Description:**This diagram illustrates a two-stage compression refrigeration system with an adiabatic liquid-vapor separator. The system uses refrigerant-134a as the working fluid.- **Operating Conditions:** - **Evaporator Pressure:** 100 psia - **Condenser Pressure:** 300 psia - **Separator Pressure:** 200 psia - **Power Usage:** The compressors use 29 kW of power.- **Refrigerant Conditions:** - Saturated liquid at the inlet of each expansion valve. - Saturated vapor at the inlet of each compressor. - Compressors are isentropic.**Objective:**Determine:1. The rate of cooling provided by the evaporator (in Btu/h).2. The Coefficient of Performance (COP) of the system.**Diagram Explanation:**1. **Compressor 1 (Bottom Left):** - Suctions low-pressure vapor from the evaporator. - Discharges high-pressure vapor to the condenser.2. **Condenser (Top):** - Cools and condenses refrigerant from vapor to liquid.3. **Separator (Middle):** - Separate phases to manage pressures and temperatures in the cycle.4. **Compressor 2 (Top Left):** - Works with the separated vapor from the separator. - Discharges to maintain the condenser pressure.5. **Expansion Valves:** - Manage pressure drops for the refrigerant entering evaporator and separator.6. **Evaporator (Bottom Right):** - Absorbs heat from the surroundings providing cooling effect.**Equations and Data Needed:**- Use saturated refrigerant-134a tables for required values.**Results:**- The rate of cooling provided by the evaporator is [Blank] Btu/h.- The COP of the refrigerator is [Blank].*Note: Fill in the blanks using specific calculations based on the given conditions and refrigerant data tables.*

The evaporator operates at .The condenser operates at .The separator is at .The compressor work are isentropic.The work done on compressor is Calculation of enthalpy at different pointsAt At At Balancing the energy equationCalculation of flow rateCalculation of rate of coolingCalculation of COP of refrigerationThe rate of cooling is .The COP of refrigeration is .

Engineering

Mechanical Engineering

A two-stage compression refrigeration system with an adiabatic liquid-vapor separation unit like that in the figure uses refrigerant-134a as the working fluid. The system operates the evaporator at 100 psia the condenser at 300 psia, and the separator at 200 psia. The compressors use 29 kW of power. Determine the rate of cooling provided by the evaporator and the COP of this cycle. The refrigerant is a saturated liquid at the inlet of each expansion valve and a saturated vapor at the inlet of each compressor, and the compressors are isentropic. (Take the required values from saturated refrigerant-134a tables.) Compressor Compressor m6 m₂ Condenser Separator Evaporator The rate of cooling provided by the evaporator is ↓ Btu/h, and the COP of the refrigerator is

A two-stage compression refrigeration system with an adiabatic liquid-vapor separation unit like that in the figure uses refrigerant-134a as the working fluid. The system operates the evaporator at 100 psia the condenser at 300 psia, and the separator at 200 psia. The compressors use 29 kW of power. Determine the rate of cooling provided by the evaporator and the COP of this cycle. The refrigerant is a saturated liquid at the inlet of each expansion valve and a saturated vapor at the inlet of each compressor, and the compressors are isentropic. (Take the required values from saturated refrigerant-134a tables.) Compressor Compressor m6 m₂ Condenser Separator Evaporator The rate of cooling provided by the evaporator is ↓ Btu/h, and the COP of the refrigerator is

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 two-evaporator compression refrigeration system as shown in the figure uses refrigerant-134a as…

A: The temperature of evaporator 1 is .The temperature of evaporator 2 is The condenser pressure is…

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

Q: Determine the degrees of subcooling at the exit of the condenser of a 2-ton air- conditioner system.…

A: Given2ton air conditionerR-134a flow rate m=0.05 kg/s Evaporator PressurePe= 200 kPa Condenser…

Q: Consider an ideal refrigeration cycle which use R-134 a as the working fluid. The temperature of the…

Q: A Carnot refrigeration cycle uses refrigerant-134a as the working fluid. The refrigerant evaporates…

Q: determine the COP of the simple vapor compression refrigeration cycle R-134a. the evaporation…

A: Given Tmin = 253 K Tmax = 303 K

Q: two stage cascade refrigeration system uses R-12 in the high pressure loop with a condenser…

A: High Pressure loop uses R−12 with following properties Condenser temperature = 30°C Evaporator…

Q: An ideal vapor-compression refrigeration cycle that uses refrigerant-134a as its working fluid…

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: workin refrigerant-134a operating on the ideal vapor-compression refrigeration cycle is to maintain…

Q: A heat pump operates on the ideal vapor-compression refrigeration cycle and uses refrigerant-134a as…

A: To find: The COP of the system and the rate of heat supplied to the evaporator. Given: The condenser…

Q: An ideal vapor-compression refrigeration cycle using refrigerant-134a as the working fluid is used…

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

Q: An air conditioner using refrigerant-134a as the working fluid and operating on the ideal…

Question

100%

### Two-Stage Compression Refrigeration System

**Description:**

This diagram illustrates a two-stage compression refrigeration system with an adiabatic liquid-vapor separator. The system uses refrigerant-134a as the working fluid.

- **Operating Conditions:**
- **Evaporator Pressure:** 100 psia
- **Condenser Pressure:** 300 psia
- **Separator Pressure:** 200 psia

- **Power Usage:** The compressors use 29 kW of power.

- **Refrigerant Conditions:**
- Saturated liquid at the inlet of each expansion valve.
- Saturated vapor at the inlet of each compressor.
- Compressors are isentropic.

**Objective:**

Determine:
1. The rate of cooling provided by the evaporator (in Btu/h).
2. The Coefficient of Performance (COP) of the system.

**Diagram Explanation:**

1. **Compressor 1 (Bottom Left):**
- Suctions low-pressure vapor from the evaporator.
- Discharges high-pressure vapor to the condenser.

2. **Condenser (Top):**
- Cools and condenses refrigerant from vapor to liquid.

3. **Separator (Middle):**
- Separate phases to manage pressures and temperatures in the cycle.

4. **Compressor 2 (Top Left):**
- Works with the separated vapor from the separator.
- Discharges to maintain the condenser pressure.

5. **Expansion Valves:**
- Manage pressure drops for the refrigerant entering evaporator and separator.

6. **Evaporator (Bottom Right):**
- Absorbs heat from the surroundings providing cooling effect.

**Equations and Data Needed:**

- Use saturated refrigerant-134a tables for required values.

**Results:**

- The rate of cooling provided by the evaporator is [Blank] Btu/h.
- The COP of the refrigerator is [Blank].

*Note: Fill in the blanks using specific calculations based on the given conditions and refrigerant data tables.*

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: Given

VIEW

Step 2: Calculation of enthalpy at different state and flow rate

VIEW

Step 3: Calculation of rate of cooling and COP of refrigeration

VIEW

Solution

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 4 steps with 22 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

A two stage cascade refrigeration system uses R-12 in the high pressure loop with a condenser temperature of 300C and -100C in the cascade condenser, and R-22 in the low pressure loop with a temperature in the cascade condenser of 00C and an evaporator temperature of -30 0C. The refrigeration load is 28 tons. h6 = 366 kJ/kg; h2= 421 kJ/kg Determine the ff:a.) the mass flow rate in the low pressure loop,ANSWER: 0.5097287949549 kg/s b.) the mass flow rate in the high pressure loop,ANSWER: 0.94987995754451 kg/s c.) total power requirementANSWER: 32.1224 KW
A refrigeration system with a capacity of 15 tons of refrigeration, operates at 150 kPa in the evaporator, while in the condenser it is 1000 kPa. If the R-134a refrigerant is in a saturated state, calculate the theoretical power required to operate the compressor. Compressor Power = Answer kW
A two-evaporatoor compression refrigeration system like that in the Figure below uses refrigerant-134a as the working fluid. The system operates evaporator 1 at 30 psia, evaporator 2 at 10 psia, and the condeser at 180 psia. The cooling load for evaporator 1 is 9000 Btu/h and that for evaporator 2 is 24,000 Btu/h. Determine the power required to operate the compressor and the COP of this system. The regrigerant is saturated liquid at the exit of the condenser and saturated vapor at the exit of each evaporator, and the compressor is isentropic.
A refrigeration system with a capacity of 15 tons of refrigeration, operates at 150 kPa in the evaporator, while in the condenser it is 1000 kPa. If R-134a refrigerant is in a saturated state, calculate the theoretical power required to operate the compressor. Compressor Power