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Title: Effects of advanced injection timing on performance and emission of a supercharged dual-fuel diesel engine fueled by producer gas fromdowndraft gasifier
Authors: Hassan, S
Zainal, Z A
Miskam, M A
Keywords: Dual fuel engine;Gasification;Injection timing;Producer gas;Supercharging
Issue Date: Mar-2011
Publisher: NISCAIR-CSIR, India
Abstract: This study presents effects of advanced injection timing on engine performance and emission characteristics of a super charged producer gas-diesel dual fuel diesel engine fueled by producer gas from a downdraft gasifier. Original injection timing of engine was 14° before top dead center (BTDC), and tests were conducted at advanced three different injection timings (17°, 20°,and 23°) by changing thickness of copper shim. Experiments were carried out at a constant injection pressure (2 bar) with varying injection flow rates of both producer gas and air at different engine speeds and loads. Advancing injection timing in as uper charged engine showed that diesel fuel displacement and brake thermal efficiency increased, with a significant reduction in carbon monoxide emission and specific energy consumption compared with original injection timing of premixed producer gas diesel dual fuel.
Page(s): 220-224
ISSN: 0975-1084 (Online); 0022-4456 (Print)
Appears in Collections:JSIR Vol.70(03) [March 2011]

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