| Title | Single-Cylinder Diesel Engine Tests with Unstabilized Water-in-Fuel Emulsions |
|---|---|
| Record ID | 48812 |
| Personal Name Creator |
Storment, J. O.; Coon, C. W. |
| Source | 91p. in various pagings |
| Corporate Creator | Southwest Research Institute |
| Corporate Contributor |
John A. Volpe National Transportation Systems Center (U.S.); United States. Coast Guard. Office of Research and Development |
| Publisher | United States. Coast Guard |
| Publication Date | 19780801 |
| Language | English |
| 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. |
| Rosap ID | dot:10303 |
| Rosap URL | https://rosap.ntl.bts.gov/view/dot/10303 |
| TRT Terms | Diesel engine exhaust gases; Diesel engines; Marine diesel engines; Fuel consumption; Fuel conservation; Fuel emulsions; Vehicle operations; Combustion |
| 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 |
| Geographical Coverage |
United States |
| Contract Number | DOT-TSC-920 |
| Report Number | DOT-TSC-CG-77-04; CG-D-13-78 |
| Resource type | Tech Report |
| URL | https://ntlrepository.blob.core.windows.net/lib/48000/48800/48812/DOT-TSC-CG-77-04.pdf |
| Format | |
| Database | NTL Digital Repository |