Single-Cylinder Diesel Engine Tests with Unstabilized Water-in-Fuel Emulsions

Storment, J. O.; Coon, C. W.; Southwest Research Institute

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Single-Cylinder Diesel Engine Tests with Unstabilized Water-in-Fuel Emulsions

1978-08-01
By Storment, J. O. ; Coon, C. W.

[PDF-1.70 MB]

English

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Details:

Creators:

Storment, J. O. ; Coon, C. W.

Storment, J. O. ; Coon, C. W. Less -
Corporate Creators:

Southwest Research Institute
Corporate Contributors:

John A. Volpe National Transportation Systems Center (U.S.) ; United States. Coast Guard. Office of Research and Development

John A. Volpe National Transportation Systems Center (U.S.) ; United States. Coast Guard. Office of Research and Development Less -
Subject/TRT Terms:

[+]

Combustion Diesel Engine Exhaust Gases Diesel Engines Fuel Conservation Fuel Consumption Fuel Emulsions Marine Diesel Engines Vehicle Operations
Publication/ Report Number:

DOT-TSC-CG-77-04 ; CG-D-13-78

DOT-TSC-CG-77-04 ; CG-D-13-78 Less -
Resource Type:

Tech Report
Geographical Coverage:

United States
Corporate Publisher:

United States. Coast Guard
NTL Classification:

NTL-MARINE/WATERWAYS TRANSPORTATION-Marine Energy and Environment;NTL-MARINE/WATERWAYS TRANSPORTATION-Marine Safety;NTL-MARINE/WATERWAYS TRANSPORTATION-Ships and Vessels;NTL-MARINE/WATERWAYS TRANSPORTATION-U.S. Coast Guard;NTL-MARINE/WATERWAYS TRANSPORTATION-MARINE/WATERWAYS TRANSPORTATION;
Abstract:

A single-cylinder, four-stroke cycle diesel engine was operated on unstabilized water-in-fuel emulsions. Two prototype devices were used to produce the emulsions on-line with the engine. More than 350 test points were run with baseline diesel fuel and emulsified water-in-fuel. Water content of the emulsified fuel varied from about 2% to 23% by volume. Statistically significant decreases in fuel consumption, ranging from 1.2% to 5.1% were obtained with emulsified fuels in 20 out of 36 test conditions. An increase of 2.5% was measured at one condition only. Use of the emulsified fuels decreased oxides of nitrogen by up to about 60% and Bosch smoke numbers by up to almost 70%, whereas unburned hydrocarbons increased up to over 130%. Carbon monoxide changes with emulsified fuel varied from a decrease of 52% to an increase of over 170%, depending on engine speed and power, and water content of the fuel. No problems were encountered in engine operation at any test condition with the water-in-fuel emulsions.
Format:

PDF
Funding:

DOT-TSC-920
Collection(s):

Volpe Center
Main Document Checksum:

[+]

urn:sha256:0843abcf06b0c865ca798cc251f8a4c0cf34407f30066315212025c9b1afed76
Download URL:

https://rosap.ntl.bts.gov/view/dot/10303/dot_10303_DS1.pdf
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Single-Cylinder Diesel Engine Tests with Unstabilized Water-in-Fuel Emulsions

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