Example 26.8 A centrifugal compressor running at 1440 rpm, handles air at 101 kPa and 20°C and compresses it to a pressure of 6 bar isentropically. The inner and outer diameters of the impeller are 14 cm and 28 cm, respectively. The width of the blade at the inlet is 2.5 cm. The blade angles are 16° and 40 at entry and exit. Calculate mass-flow rate of air, degree of reaction, power input and width of blades at outlet.

Example 26.8 A centrifugal compressor running at 1440 rpm, handles air at 101 kPa and 20°C and compresses it to a pressure of 6 bar isentropically. The inner and outer diameters of the impeller are 14 cm and 28 cm, respectively. The width of the blade at the inlet is 2.5 cm. The blade angles are 16° and 40 at entry and exit. Calculate mass-flow rate of air, degree of reaction, power input and width of blades at outlet.

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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