Effect of volatility on air-fuel ratio distribution and torque output of a carbureted light aircraft piston engine. Final report, May 1981-September 1982
Technical Report
·
OSTI ID:5618977
A comprehensive sea - level - static test cell data collection and evaluation effort to review operational characteristics of a carbureted light aircraft piston engine as related to fuel volatility and air fuel ratio distribution to cylinders. Sea - level - static test cell engine operations were conducted utilizing an AVCO Lycoming 0-320 engine connected to an eddy current dynamometer which facilitated data collection under various engine load conditions. Test cell instrumentation was utilized to obtain operational data (temperatures, pressures, flow rates, torque, horsepower, exhaust emissions, etc.) from idle through cruise to maximum power with fuel grades having reid vapor pressure of 6.7, 11.7 and 14.0. The primary purpose of test cell engine operation was to observe real time performance characteristics associated with automotive grade fuel utilized by piston powered light general aviation aircraft. In fulfillment of this task, baseline engine operations were established with 100LL aviation grade fuel followed by two blends of automotive grade fuel.
- Research Organization:
- Michigan Univ., Ann Arbor (USA). Dept. of Mechanical Engineering
- OSTI ID:
- 5618977
- Report Number(s):
- AD-A-128658/2
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION
320201 -- Energy Conservation
Consumption
& Utilization-- Transportation-- Air & Aerospace
33 ADVANCED PROPULSION SYSTEMS
330100* -- Internal Combustion Engines
ADDITIVES
AIRCRAFT
AUTOMOTIVE FUELS
AVIATION FUELS
CURRENTS
DATA
DATA ACQUISITION
DYNAMOMETERS
EDDY CURRENTS
ELECTRIC CURRENTS
ENERGY CONSUMPTION
ENGINES
FUEL ADDITIVES
FUEL CONSUMPTION
FUEL-AIR RATIO
FUELS
HEAT ENGINES
INFORMATION
INTERNAL COMBUSTION ENGINES
MEASURING INSTRUMENTS
TORQUE
VOLATILITY
320201 -- Energy Conservation
Consumption
& Utilization-- Transportation-- Air & Aerospace
33 ADVANCED PROPULSION SYSTEMS
330100* -- Internal Combustion Engines
ADDITIVES
AIRCRAFT
AUTOMOTIVE FUELS
AVIATION FUELS
CURRENTS
DATA
DATA ACQUISITION
DYNAMOMETERS
EDDY CURRENTS
ELECTRIC CURRENTS
ENERGY CONSUMPTION
ENGINES
FUEL ADDITIVES
FUEL CONSUMPTION
FUEL-AIR RATIO
FUELS
HEAT ENGINES
INFORMATION
INTERNAL COMBUSTION ENGINES
MEASURING INSTRUMENTS
TORQUE
VOLATILITY