Fuel injection characteristics of diesel-stimulated natural gas combustion

M. Mbarawa; B. E. Milton; R. T. Casey; H. Miao

doi:10.1002/(SICI)1099-114X(199912)23:15<1359::AID-ER560>3.0.CO;2-7

Fuel injection characteristics of diesel-stimulated natural gas combustion

M. Mbarawa, B. E. Milton, R. T. Casey, H. Miao

Research output: Contribution to journal › Article › peer-review

14 Citations (Scopus)

Abstract

Although dual-fuel (DF) engines using a low cetane number primary fuel such as natural gas (NG) ignited by a pilot diesel spray have been the subject of much investigation over years, there are still many unknown problems related to the fundamental combustion process of two fuels. In this work, a quiescent constant volume combustion bomb and a 3-D numerical model have been used to study the effects of injection nozzle characteristics on the combustion of pre-mixed NG/air with pilot distillate spray. Experimental tests were conducted on combustion process of pre-mixed natural gas/air with pilot injection pressure of 30 and 20 MPa with a 4 hole injector, and also with injector nozzle of 8 and 4 holes. The global results obtained from computations compared well with the experimental results.

Original language	English
Pages (from-to)	1359-1371
Number of pages	13
Journal	International Journal of Energy Research
Volume	23
Issue number	15
DOIs	https://doi.org/10.1002/(SICI)1099-114X(199912)23:15<1359::AID-ER560>3.0.CO;2-7
Publication status	Published - 1 Dec 1999
Externally published	Yes

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10.1002/(SICI)1099-114X(199912)23:15<1359::AID-ER560>3.0.CO;2-7Licence: Unspecified

Cite this

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title = "Fuel injection characteristics of diesel-stimulated natural gas combustion",

abstract = "Although dual-fuel (DF) engines using a low cetane number primary fuel such as natural gas (NG) ignited by a pilot diesel spray have been the subject of much investigation over years, there are still many unknown problems related to the fundamental combustion process of two fuels. In this work, a quiescent constant volume combustion bomb and a 3-D numerical model have been used to study the effects of injection nozzle characteristics on the combustion of pre-mixed NG/air with pilot distillate spray. Experimental tests were conducted on combustion process of pre-mixed natural gas/air with pilot injection pressure of 30 and 20 MPa with a 4 hole injector, and also with injector nozzle of 8 and 4 holes. The global results obtained from computations compared well with the experimental results.",

keywords = "Alternative fuels, Diesel fuel substitution, Dual fuelling, Natural gas",

author = "M. Mbarawa and Milton, {B. E.} and Casey, {R. T.} and H. Miao",

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AU - Mbarawa, M.

AU - Milton, B. E.

AU - Casey, R. T.

AU - Miao, H.

PY - 1999/12/1

Y1 - 1999/12/1

N2 - Although dual-fuel (DF) engines using a low cetane number primary fuel such as natural gas (NG) ignited by a pilot diesel spray have been the subject of much investigation over years, there are still many unknown problems related to the fundamental combustion process of two fuels. In this work, a quiescent constant volume combustion bomb and a 3-D numerical model have been used to study the effects of injection nozzle characteristics on the combustion of pre-mixed NG/air with pilot distillate spray. Experimental tests were conducted on combustion process of pre-mixed natural gas/air with pilot injection pressure of 30 and 20 MPa with a 4 hole injector, and also with injector nozzle of 8 and 4 holes. The global results obtained from computations compared well with the experimental results.

AB - Although dual-fuel (DF) engines using a low cetane number primary fuel such as natural gas (NG) ignited by a pilot diesel spray have been the subject of much investigation over years, there are still many unknown problems related to the fundamental combustion process of two fuels. In this work, a quiescent constant volume combustion bomb and a 3-D numerical model have been used to study the effects of injection nozzle characteristics on the combustion of pre-mixed NG/air with pilot distillate spray. Experimental tests were conducted on combustion process of pre-mixed natural gas/air with pilot injection pressure of 30 and 20 MPa with a 4 hole injector, and also with injector nozzle of 8 and 4 holes. The global results obtained from computations compared well with the experimental results.

KW - Alternative fuels

KW - Diesel fuel substitution

KW - Dual fuelling

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Fuel injection characteristics of diesel-stimulated natural gas combustion

Abstract

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