Evaluate the energy saved if the air-compressor plant operates at a lower pressure, 0.7 Mpa, to supply the main equipment. The user at 0.8 0.85 Mpa will be supplied with a separate air compressor.
Evaluate the energy saved if the air-compressor plant operates at a lower pressure, 0.7 Mpa, to supply the main equipment. The user at 0.8 0.85 Mpa will be supplied with a separate air compressor.
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
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A factory has an air-compressor plant which works at a discharge pressure of 0.9 Mpa. Most equipment may correctly operate at 0.6 0.65 Mpa, except one which needs 0.8 0.85 Mpa with a small air flow requirement (roughly 10% of the total air flow). Throttling valves are used to reduce the pressure to the end user requirements.
Evaluate the energy saved if the air-compressor plant operates at a lower pressure, 0.7 Mpa, to supply the main equipment. The user at 0.8 0.85 Mpa will be supplied with a separate air compressor.
answer
(20%, for 5000h/yr energy saved is 95492 kWh/yr).
am interested in the working and formulas
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