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Experiments on and thermodynamic analysis of a turbocharged engine with producer gas as fuel

Dasappa, S and Sridhar, HV and Muzumdar, I (2012) Experiments on and thermodynamic analysis of a turbocharged engine with producer gas as fuel. In: PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART C-JOURNAL OF MECHANICAL ENGINEERING SCIENCE, 226 (C4). pp. 1004-1015.

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Official URL: http://dx.doi.org/10.1177/0954406211419063

Abstract

This article presents the studies conducted on turbocharged producer gas engines designed originally for natural gas (NG) as the fuel. Producer gas, whose properties like stoichiometric ratio, calorific value, laminar flame speed, adiabatic flame temperature, and related parameters that differ from those of NG, is used as the fuel. Two engines having similar turbochargers are evaluated for performance. Detailed measurements on the mass flowrates of fuel and air, pressures and temperatures at various locations on the turbocharger were carried out. On both the engines, the pressure ratio across the compressor was measured to be 1.40 +/- 0.05 and the density ratio to be 1.35 +/- 0.05 across the turbocharger with after-cooler. Thermodynamic analysis of the data on both the engines suggests a compressor efficiency of 70 per cent. The specific energy consumption at the peak load is found to be 13.1 MJ/kWh with producer gas as the fuel. Compared with the naturally aspirated mode, the mass flow and the peak load in the turbocharged after-cooled condition increased by 35 per cent and 30 per cent, respectively. The pressure ratios obtained with the use of NG and producer gas are compared with corrected mass flow on the compressor map.

Item Type: Journal Article
Additional Information: Copy right for this article belongs to Sage Publisher
Keywords: producer gas;turbocharger;gas engines;gasification
Department/Centre: Division of Mechanical Sciences > Aerospace Engineering (Formerly, Aeronautical Engineering)
Division of Mechanical Sciences > Centre for Sustainable Technologies (formerly ASTRA)
Date Deposited: 17 Jul 2012 11:33
Last Modified: 17 Jul 2012 11:33
URI: http://eprints.iisc.ernet.in/id/eprint/44846

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