Gas Turbines - A Handbook of Air, Land, and Sea Applications - download pdf or read online

By Soares C

ISBN-10: 0080555845

ISBN-13: 9780080555843

ISBN-10: 0750679697

ISBN-13: 9780750679695

No different present e-book deals the pro engineer or technician the wealth of helpful assistance on approximately each element of gasoline turbine layout, install, operation, upkeep and service as this publication does. This booklet makes the task of any engineer interested in the layout, choice, operation and upkeep of so much approximately any form of fuel turbine extra effective and extra profitable. The e-book deals the reader a "big photo" view of ways to make the proper judgements while making plans what kind of fuel turbine to take advantage of for a selected program, taking into account not just operational standards, yet long term life-cycle bills in maintenance, fix and destiny utilization.

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Optimizing that cycle frequently involves reducing fuel consumption. This reduction requires changes in the basic cycle that allow the same fuel to provide more power. The power generation industry is the largest industry sector in the world and has a higher growth rate than any other industry. So the following pages cover cycle variations to the basic gas turbine cycle mainly for power generation applications. The variations in other industrial sectors, however, use much the same logic, and the technology may be essentially similar.

Flame temperatures may exceed 2000° C in some aircraft engines. First-stage turbine inlet nozzles (1st stage NGVs) convert high-enthalpy gas to high-velocity gas. High-velocity gas turns the turbine rotor blades and buckets The turbine exhaust temperature is typically 900–1180°F (482–638°C). 5% efficiency increase can result. Work output can increase by 10%. All of these parameters modify with cycle adaptations. Regeneration lowers the heat rate (involves the heat recovery of turbine exhaust gases and adds between 15 and 20% efficiency; see Figure 3-8).

However, intercooling improves engine power output and, potentially, even SFC at high-pressure ratios via reduced power absorption in the second compressor. This is due to the lower inlet temperature reducing the work required for a given pressure ratio. The intercooler rejects heat to an external medium such as seawater. The air side of the intercooler and any ducting impose total pressure losses. Intercooled Recuperator Shaft-Power Engine (Figure 3–3[b]) Here, both an intercooler and recuperator are employed.

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Gas Turbines - A Handbook of Air, Land, and Sea Applications by Soares C


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