A rotary air compressor working between 1bar and 2.5 bar has internal and external diameter ofimpeller as 300 mm and 600 mm respectively. The vaneangle at inlet and outlet are 30° and 45° respectively. If airenter the impeller at 15 m/s. Find 1. Speed of impeller inrpm. 2. Workdone by compressor per kg of air.Vw145°V,CA30B

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A rotary air compressor working between ar has internal and external diameter oj mm and 600 mm respectively. The vane d outlet are 30° and 45° respectively. If air er at 15 m/s. Find 1. Speed of impeller in e by compressor per kg of air.

A rotary air compressor working between ar has internal and external diameter oj mm and 600 mm respectively. The vane d outlet are 30° and 45° respectively. If air er at 15 m/s. Find 1. Speed of impeller in e by compressor per kg of air.

Refrigeration and Air Conditioning Technology (MindTap Course List)

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ISBN:9781305578296

Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Chapter40: Typical Operating Conditions

Section: Chapter Questions

Problem 10RQ: The seasonal energy efficiency ratio (SEER) includes the energy used in the _____and _____cycles.

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Question

A rotary air compressor working between 1
bar and 2.5 bar has internal and external diameter of
impeller as 300 mm and 600 mm respectively. The vane
angle at inlet and outlet are 30° and 45° respectively. If air
enter the impeller at 15 m/s. Find 1. Speed of impeller in
rpm. 2. Workdone by compressor per kg of air.
Vw1
45°
V,
C
A
30
B

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