نتایج جستجو برای: fuel additive
تعداد نتایج: 135243 فیلتر نتایج به سال:
BACKGROUND Air pollution is known to cause respiratory disease. Unlike motor vehicle sources, fuel-fired power plants are stationary. OBJECTIVE Using hospitalization data, we examined whether living near a fuel-fired power plant increases the likelihood of hospitalization for respiratory disease. METHODS Rates of hospitalization for asthma, acute respiratory infection (ARI), and chronic obs...
Fuel additives incorporating nanosized ceria have been increasingly used in diesel engines as combustion promoters. However, few studies have assessed the impact of these nanotechnology-based additives on pollutant emissions. Here, we systematically compare emission rates of particulate and gaseous pollutants from a single-cylinder, four-cycle diesel engine using fuel mixes containing nanoceria...
Experimental work was done to examine the impact of diesel fuel with alumina nanoparticles on combustion characteristics, emissions and performance engine. Alumina were mixed crude in various weight fractions 20, 30, 40 mg/L. The engine tests showed that nano addition ppm pure led thermal efficiency enhancement up 5.5% related fuel. average specific consumption decrease about neat found be 3.5%...
We discuss the problem of the optimal design of a micro-tubular fuel cell applying an inverse homogenization technique. Fuel cells are extremely clean and efficient electrochemical power generation devices, made up of a cathode/electrolyte/anode structure, whose energetic potential has not being fully exploited in propulsion systems in aeronautics due to their low power densities. Nevertheless,...
The paper discusses the influence of two fatty acid methyl esters (bioesters) derived from soybean oil (SME) and from rapeseed oil (RME) on the lubricity of the petroleum diesel fuels: Ekodiesel (S:26 mg/kg, HFRR: 555 m) and Citydiesel (S: 8 mg/kg, HFRR: 617 m). High-frequency reciprocating rig (HFRR) equipment was used to examine diesel fuels, neat bioesters and blends containing from 0,1 % up...
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