Advanced Gas Turbine Cycles: A Brief Review of Power by J. H. Horlock

By J. H. Horlock

Primarily this e-book describes the thermodynamics of fuel turbine cycles. the quest for top gasoline turbine potency has produced many adaptations at the basic "open circuit" plant, concerning using warmth exchangers, reheating and intercooling, water and steam injection, cogeneration and mixed cycle crops. those are defined absolutely within the text.

A assessment of contemporary proposals for a couple of novel gasoline turbine cycles can also be incorporated. some time past few years paintings has been directed in the direction of constructing gasoline generators which produce much less carbon dioxide, or crops from which the CO2 will be disposed of; the results of a carbon tax on electrical energy pricing are thought of.

In proposing this vast survey of gasoline turbine cycles for energy new release the writer calls on either his educational event (at Cambridge and Liverpool Universities, the fuel Turbine Laboratory at MIT and Penn nation collage) and his commercial paintings (primarily with Rolls Royce, plc.) The booklet can be crucial studying for ultimate 12 months and masters scholars in mechanical engineering, and for practicing engineers.

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Additional resources for Advanced Gas Turbine Cycles: A Brief Review of Power Generation Thermodynamics

Example text

The pressure loss through the combustion chamber is allowed for by a pressure loss factor Ap23 = ( p 2 - p 3 ) / ~ 2so , that (p3/p2)= 1 - (Ap/p)23. Similarly, the pressure loss Advanced gas turbine cycles 40 I 1 S Fig. 1 1. T , s diagram for irreversible open circuit simple plant [CBvI. 28) ) ~ 8 = { [ ( ~ ) 3 4 - ~IX(AP/P)I/(Y~)M is smallwhere TJ = ( ~ p a ) d ( ~ p gand The appearance of n as the index of x in Eq. 28) needs to be justified. Combustion in gas turbines usually involves substantial excess air and the molecular weight of the mixed products is little changed from that of the air supplied, since nitrogen is the main component gas for both air and products.

1991). Analysis of Engineering Cycles 4th edn, Pergamon Press, Oxford. [4] Caputa, C. (1%7), Una Cifra di Merito Dei Cicli Termcdinamici Directti, Il Calore 7, 291-300. 1. Introduction In Chapter 1, the gas turbine plant was considered briefly in relation to an ideal plant based on the Carnot cycle. 4, it was explained that the closed cycle gas turbine failed to match the Carnot plant in thermal efficiency because of (a) the ‘6 effect’ (that heat is not supplied at the maximum temperature and heat is not rejected at the minimum temperature) and (b) the ‘ueffect’ (related to any entropy increases within the plant, and the consequent ‘widening’ of the cycle on the T, s diagram).

4. The maximum work may then be written as where G is the Gibbs function, G = H - TS. This is the maximum work obtainable from such a combustion process and is usually used in defining the rational efficiency of an open circuit plant. However, it should be noted that if the reactants and/or products are not at pressure po, then the work of delivery or extraction has to be allowed for in obtaining the maximum possible work from the reactants and products drawn from and delivered to the atmosphere.

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