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Author: University of Michigan. Department of Aerospace Engineering
Publisher:
ISBN:
Category :
Languages : en
Pages : 76
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Book Description
Cylinder-to-cylinder mixture ratio distributions were measured for both the injected and carbureted versions of the AVCO-Lycoming 0-320 engine to determine the effects of non-uniform distribution on the exhaust emissions of carbon monoxide, hydrocarbons, and oxides of nitrogen. Data for both normal and lean-out conditions were obtained. An experimental Turbulent Flow Manifold for the carbureted engine was tested as a potential means for improved cylinder-to-cylinder distribution. Results showed improvements for the low power operating modes but deterioration for the high power modes. An analysis based on test results predicts that the EPA emission requirements can be met, for this engine, by improving mixture distribution and leaning both the taxi-out and approach modes. Improvements in fuel economy are also predicted. (Author).
Author: William Mirsky
Publisher:
ISBN:
Category : Aircraft exhaust emissions
Languages : en
Pages :
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Book Description
Author: University of Michigan. Department of Aerospace Engineering
Publisher:
ISBN:
Category :
Languages : en
Pages : 76
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Book Description
Cylinder-to-cylinder mixture ratio distributions were measured for both the injected and carbureted versions of the AVCO-Lycoming 0-320 engine to determine the effects of non-uniform distribution on the exhaust emissions of carbon monoxide, hydrocarbons, and oxides of nitrogen. Data for both normal and lean-out conditions were obtained. An experimental Turbulent Flow Manifold for the carbureted engine was tested as a potential means for improved cylinder-to-cylinder distribution. Results showed improvements for the low power operating modes but deterioration for the high power modes. An analysis based on test results predicts that the EPA emission requirements can be met, for this engine, by improving mixture distribution and leaning both the taxi-out and approach modes. Improvements in fuel economy are also predicted. (Author).
Author:
Publisher:
ISBN:
Category : Power resources
Languages : en
Pages : 662
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Book Description
Author: W Mirsky
Publisher:
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 158
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Book Description
A comprehensive mathematical analysis for evaluating the measured emissions from piston type general aviation aircraft engines is presented and discussed. The analysis is used to calculate the fuel-air ratio, molecular weight of the exhaust products, and water correction factor. Further. a sensitivity analysis is presented which shows the effects of emission measurement errors on calculated fuel-air ratio. The University's test facility is briefly described and the associated emissions instrumentation is discussed in detail. The experimental results obtained in this facility on the AVCO-Lycoming LIO-320 engine are presented. This includes baseline and lean-out emissions data and the influence of sampling probe location in the exhaust pipe. The influence of leaks in the exhaust system or emissions console are investigated and evaluated in terms of the mathematical model. Experimental data obtained from various facilities are compared and evaluated. (Author).
Author:
Publisher:
ISBN:
Category : Power resources
Languages : en
Pages : 620
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Book Description
Author: D. R. Liimatta
Publisher:
ISBN:
Category : Automobiles
Languages : en
Pages : 31
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Book Description
Author: David Russell Lancaster
Publisher:
ISBN:
Category :
Languages : en
Pages : 112
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Book Description
Author: Frank E. Marble
Publisher:
ISBN:
Category : Airplanes
Languages : en
Pages : 14
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Book Description
A test-stand investigation was conducted to determine the mixture distribution of a conventional double-row radial engine for a wide range of engine speeds, powers, and fuel-air ratios and to evaluate its effects on engine performance. The fuel was injected into the combustion-air stream by a rotating spray ring located near the impeller entrance. Fuel-air ratios of the individual cylinders were determined from chemical analyses of the exhaust gas.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 390
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Book Description
Author: Frank Pasqua
Publisher:
ISBN:
Category :
Languages : en
Pages : 118
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