METHODS OF DESIGNING AXIAL COMPRESSORS FOR STATIONARY GAS-TURBINE PLANTS (O METODAKH PROEKTIROVANIYA OSEVYKH KOMPRESSOROV STATSIONARNYKH GTU),
Abstract
Problems associated with the design of low- and high-pressure compressors for a GT-25-700 stationary gas-turbine power plant are considered. These specifications had to be met: air rate-of-flow, 200 kg/sec; overall compression ratio, 10 speed, 3,000 rpm; intermediate cooling. The ambient air temperature was assumed to be +17C; efficiency, 86-88%. Two compressors with roughly equal compression ratios of 3.16 were designed. The rate-of-flow at the low-pressure input was 173 cu m/sec. An 8-stage low-pressure compressor built to the above specifications actually developed a compression ratio of 3.1 and an efficiency of 86%. The 10-stage high-pressure compressor developed a compression ratio of 3.45 and an efficiency of 0.88. It is noted that the actual machines have a higher efficiency than their simulators used in designing which is explained by the well-known 'scale effect.' (Author)
Document Details
- Document Type
- Technical Report
- Publication Date
- Oct 31, 1967
- Accession Number
- AD0675273
Entities
People
- F. S. Bedcher
Organizations
- National Air and Space Intelligence Center