Computer Program for Constant Pressure or Constant Volume Combustion Calculations in Hydrocarbon-Air Systems

Agrawal, Dakshit; Gupta, C. P.

doi:10.1115/1.3446279

Cited by 8 publications

(3 citation statements)

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“…Schematic structure of cogeneration system utilizing gas turbine and waste heat boiler and ai. j ( j=W) and ai,l(l=O-4) are constant coefficients that are determined according to the property of the constituent gas i (Agrawl, 1977). The enthalpy li( T ) of the constituent gas i is then obtained by…”

Section: Outline Of Simulation Methodsmentioning

confidence: 99%

“…The air and fuel gas temperatures are assumed to be 800 K and 500 K, respectively, which correspond to the temperatures of the CGS using a regenerative gas turbine with a temperature efficiency of 0.75 and a turbine inlet temperature of 1273 K. It should also be noted that the temperature of the combustion gas can be computed by assuming the combustion to be an adiabatic process at a constant pressure, since combustion loss and pressure loss in the combustor are both 1-3%. For details of the calculation method, see Agrawl (1977).…”

Section: Introductionmentioning

confidence: 99%

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Characteristics and economics of high-efficiency gas turbine cogeneration systems using low BTU gas

Pak

Suzuki

1989

Int. J. Energy Res.

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Characteristics of high‐efficiency gas turbine cogeneration systems using low Btu gas (LBG) are first analysed. Raising the turbine inlet temperature and incorporating a regenerator are both investigated as methods to improve the efficiency of the cogeneration system (CGS). Taking a gas obtained by pyrolyzing municipal refuse as an example of an LBG, various thermodynamic characteristics of the CGS are analysed using a simulation model developed by the authors. Secondly, authors investigate the economics of a CGS for district heating and cooling using the pyrolysis gas, making use of the estimated characteristics. It is shown that the CGS is estimated to be economically feasible, whereas a CGS using conventional high Btu fuel gas (methane gas) is estimated to be economically infeasible under assumed conditions. The impacts of changes in various parameters which determine the economics of the CGS are also investigated, and it is shown that the economics of the system using refuse‐recovered LBG can be expected to be further improved owing to future developments in the technology of generating and refining pyrolysis gas.

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Section: Outline Of Simulation Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Characteristics and economics of high-efficiency gas turbine cogeneration systems using low BTU gas

Pak

Suzuki

1989

Int. J. Energy Res.

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“…A program for calculating twelve species CHON constant volume combustion systems, applicable to temperatures up to 3400 K was presented in [30]. A program, valid for temperatures up to 6000 K, which can be calculate, both constant pressure and constant volume combustion for an eighteen chemical species CHON system is available in [31].…”

Section: Introductionmentioning

confidence: 99%

Thermodynamic Study of the Working Cycle of a Direct Injection Compression Ignition Engine

Fygueroa¹,

Villamar²,

Fygueroa³

2012

Internal Combustion Engines

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Low NOx emission characteristics of refuse-recovered low BTU gases as fuel for high efficiency gas turbines

Pak

Suzuki

1989

Int. J. Energy Res.

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This paper discusses the problems of using refuse‐recovered low Btu gases as fuel of high‐temperature regenerative gas turbines. First, it is briefly described that the system using refuse‐recovered fuels has a great possibility of being superior both in energy conservation and in solving refuse disposal problems in urban areas. Next, by taking a fermentation gas of the sewage sludge and a pyrolysis gas of the municipal refuse as examples, it is confirmed that a combustion gas with the high flame temperature required for a high efficiency gas turbine can sufficiently be obtained. Finally, through a case study in which no special condition is assumed, the system using these refuse‐recovered low Btu gases whose flame temperatures are low is shown to be excellent in the thermal NOx formation characteristics as compared to that using the conventional fuel with a high calorific value.

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Computer Program for Constant Pressure or Constant Volume Combustion Calculations in Hydrocarbon-Air Systems

Abstract: A complete Fortran-II computer program is presented which can be used to compute the equilibrium composition and final state of the products after constant pressure or constant volume combustion in any hydrocarbon-air system.

Cited by 8 publications

References 0 publications

Characteristics and economics of high-efficiency gas turbine cogeneration systems using low BTU gas

Characteristics and economics of high-efficiency gas turbine cogeneration systems using low BTU gas

Thermodynamic Study of the Working Cycle of a Direct Injection Compression Ignition Engine

Low NOx emission characteristics of refuse-recovered low BTU gases as fuel for high efficiency gas turbines

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