Control of Emissions from Light Piston-engine Aircraft [with Bibliographies] PDF Download
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Author:
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ISBN:
Category : Aircraft exhaust emissions
Languages : en
Pages : 216
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Book Description
Author: W. F. Datwyler
Publisher:
ISBN:
Category : Aircraft exhaust emissions
Languages : en
Pages :
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Book Description
![Control of Emissions from Light Piston-engine Aircraft [with Bibliographies] PDF](https://books.google.com/books/content/images/frontcover/7QdOAQAACAAJ?fife=w80-h100)
Author:
Publisher:
ISBN:
Category : Aircraft exhaust emissions
Languages : en
Pages : 216
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Author: National Academies of Sciences, Engineering, and Medicine (U.S.). Committee on Lead Emissions from Piston-Powered General Aviation Aircraft
Publisher:
ISBN: 9780309256803
Category : Aircraft exhaust emissions
Languages : en
Pages : 161
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Book Description
Small gasoline-powered aircraft are the single largest emitter of lead in the United States, as other major emission sources such as automobile gasoline have been previously addressed. A highly toxic substance that can result in an array of negative health effects in humans, lead is added to aviation gasoline to meet the performance and safety requirements of a sizable portion of the country’s gasoline-powered aircraft. Significantly reducing lead emissions from gasoline-powered aircraft will require the leadership and strategic guidance of the Federal Aviation Administration (FAA) and a broad-based and sustained commitment by other government agencies and the nation’s pilots, airport managers, aviation fuel and service suppliers, and aircraft manufacturers, according to a congressionally mandated report from the National Academies of Sciences, Engineering, and Medicine. While efforts are underway to develop an unleaded aviation fuel that can be used by the entire gasoline-powered fleet, the uncertainty of success means that other steps should also be taken to begin reducing lead emissions and exposures, notes the report, titled TRB Special Report 336: Options for Reducing Lead Emissions from Piston-Engine Aircraft. Piston-engine aircraft are critical to performing general aviation (GA) functions like aerial observation, medical airlift, pilot training, and business transport. Other GA functions, such as crop dusting, aerial firefighting, search and rescue, and air taxi service, have particular significance to communities in rural and remote locations.
Author: W Mirsky
Publisher:
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 158
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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:
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ISBN:
Category :
Languages : en
Pages : 390
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Author:
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ISBN:
Category : Air
Languages : en
Pages : 72
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Author: United States. Environmental Protection Agency. Office of Air Programs
Publisher:
ISBN:
Category : Air
Languages : en
Pages : 76
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Author: U. S. Environmental Protection Agency
Publisher: BiblioGov
ISBN: 9781289178413
Category :
Languages : en
Pages : 400
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Book Description
The U.S. Environmental Protection Agency (EPA) was introduced on December 2, 1970 by President Richard Nixon. The agency is charged with protecting human health and the environment, by writing and enforcing regulations based on laws passed by Congress. The EPA's struggle to protect health and the environment is seen through each of its official publications. These publications outline new policies, detail problems with enforcing laws, document the need for new legislation, and describe new tactics to use to solve these issues. This collection of publications ranges from historic documents to reports released in the new millennium, and features works like: Bicycle for a Better Environment, Health Effects of Increasing Sulfur Oxides Emissions Draft, and Women and Environmental Health.
Author: Eric E. Becker
Publisher:
ISBN:
Category :
Languages : en
Pages : 124
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Book Description
The Avco Lycoming 0-320/IO-320-DIAD engine (S/N889-X) was tested at the National Aviation Facilities Experimental Center (NAFEC) to develop an exhaust emissions data base. This data base consists of current production baseline emissions characteristics, lean-out emissions data, effects of leaning-out the fuel schedule on cylinder head temperatures, and data showing ambient effects on exhaust emissions and cylinder head temperatures. The engine operating with its current full-rich production fuel schedule could not meet the proposed Environmental Protection Agency (EPA) standard for carbon monoxide (CO) under sea level standard-day conditions. The engine did, however, meet the proposed EPA standards for unburned hydrocarbons (HC) and oxides of nitrogen (NO(x)) under sea level standard-day conditions. The results of engine testing under different ambient conditions are also presented, and these results show a trend toward higher levels of emissions output for CO and HC under warm-or hot-day conditions while producing slightly lower levels of NO(x). (Author).
Author: Robert F. Salmon
Publisher:
ISBN:
Category :
Languages : en
Pages : 66
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Book Description
A pilot program for investigating the problems associated with the piston engine continuous compliance requirement of the Emission Standards was undertaken at the National Aviation Facilities Experimental Center (NAFEC). The program used two aircraft as test vehicles to determine emission degradation characteristics of piston engines over a time period of 150 hours. This was the initial plan for the program, but due to a proposed modification in the Environmental Protection Agency (EPA) emission standards for piston engines, the program was shortened and terminated after 50 hours on each engine. This report describes the work and results obtained for the 50-hour engine time period. The results indicate that (1) no appreciable change in emissions occurs within the first 50 hours of engine operation, (2) emissions can be measured on aircraft-installed engines with accuracies comparable to those obtained in test stands, provided proper instrumentation and test procedures are used, and (3) aircraft instrumentation is satisfactory for some parameters, but in order to achieve EPA accuracy requirements, manifold pressure, fuel flow, and induction airflow must be measured on laboratory-type instruments. (Author).
