Refrigeration and Air Conditioning Technology (MindTap Course List)
8th Edition
ISBN: 9781305578296
Author: John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Publisher: Cengage Learning
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Textbook Question
Chapter 23, Problem 15RQ
State the main advantage that a discus compressor's valve plate design has over a conventional piston-type compressor.
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Chapter 23 Solutions
Refrigeration and Air Conditioning Technology (MindTap Course List)
Ch. 23 - Describe the operation of a compressor.Ch. 23 - Name five types of compressors.Ch. 23 - True or FAlse: A compressor can compress a liquid.Ch. 23 - What would be considered a higher-than-normal...Ch. 23 - Which compressor type uses pistons to compress the...Ch. 23 - Which compressor type uses tapered, machined gear...Ch. 23 - Which style of compressor uses belts to turn the...Ch. 23 - What would be done to increase the compressor...Ch. 23 - Describe the reciprocating compressor piston, rod,...Ch. 23 - Name two things in the design of a reciprocating...
Ch. 23 - At what speeds in rpm does a hermetic compressor...Ch. 23 - What effect does a slight amount of liquid...Ch. 23 - What lubricates the refrigeration compressor? A....Ch. 23 - What can the service technician do to keep the...Ch. 23 - State the main advantage that a discus...Ch. 23 - Briefly describe how the scroll compressor...Ch. 23 - List four main advantages a scroll compressor has...Ch. 23 - What are two main reasons why a compressor should...Ch. 23 - Briefly describe how the digital capacity control...Ch. 23 - List the three main advantages of having digital...Ch. 23 - Prob. 21RQ
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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
- Describe the design of diffusers used in centrifugal compressors and explain their role.arrow_forwardWhat common type of compressor have you encountered in your existence? Briefly discuss its applicationarrow_forward3. An advantage of a centrifugal compressor is that it is: Dynamically balanced. O Unaffected by turbulence. More robust and is easier to develop and manufacture. Able to handle a larger mass of air than an axial flow compressor.arrow_forward
- A chemicals company wants to optimize the power consumption of their air compressors. Their Design Engineers proposed to replace their Single-stage Adiabatic Compressors with the following: a. Isothermal Compressorb. Two-stage Compressor with intercoolingc. Four-stage Compressor with intercooling In order to justify the replacement, the percentage of the energy per mass (J/g) saved by each proposed compressor system should be calculated. Savings should be at least 40%. Determine which of the three proposed compressors will meet the criterion. The flow rate of air required is 600 ft3/min at 70 °F and 14.7 psi, which should be compressed to a final pressure of 2,000 psig. The relative molecular mass of the gas is 28, isentropic constant is 1.40, and density of air is 1.204 kg/m3.arrow_forward1. Assess the different types of industrial compressor and identify justifiable applications for each while focusing on the working principle and flow direction2. Discuss compressor faults and potential hazardsarrow_forward6. What is the function of compressor?arrow_forward
- Describe the changes to the pressure, temperature and velocity of the air as it passes through a centrifugal flow compressor.arrow_forwardThe following data were obtained from a performance test of a 10 x 9-cm single acting, water jacketed two-stage air compressor: Pressures: Atmospheric, 102 kPaa; leaving first-stage, 634 kPaa; leaving second-stage, 4.20 MPa. Temperatures: Atmospheric, 240C; leaving first-stage, 1080C; entering 2nd stage, 250C; leaving 2nd stage, 1270C Compressor speed, 648 rpm Power input to motor, 5.65 kW Motor and belt efficiency, 81.5% The following are calculated from test data: Air flow rate, 0.387 ??⁄??? Compression exponents: 1st stage 1.15; 2nd Stage, 1.2 Calculate: a) Approximate indicated power b) Power for isothermal compression c) Shaft power d) 1st stage piston displacement e) Actual volumetric efficiency f) Isothermal compression efficiency g) Mechanical efficiency based on the approximate indicated power h) Over-all efficiency of the compressorarrow_forwardPlease could you solve these 3 questions? - Distinguish the major differences between centrifugal compressors and axial compressors- List the different types of industrial compressors, provide a brief summary and assessment of each type- Discuss compressor faults and potential hazardsarrow_forward
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