Aineistot 1-10 / 31
Feasibility of New Liquid Fuel Blends for Medium-Speed Engines
(Molecular Diversity Preservation International (MDPI), 2019-07-20)
Several sustainable liquid fuel alternatives are needed for different compression ignition (CI) engine applications. In the present study, five different fuel blends were investigated. Rapeseed methyl ester (RME) was used ...
Utilizing Asphalt Heat Energy in Finnish Climate Conditions
(Molecular Diversity Preservation International (MDPI), 2019)
Geothermal energy is a form of renewable energy, which offers carbon-free solutions for heating and cooling spaces. This study evaluates the use of renewable asphalt heat energy in frozen ground conditions. Asphalt heat ...
Reactivity Controlled Compression Ignition for clean and efficient ship propulsion
Reactivity Controlled Compression Ignition (RCCI) is commonly mentioned as a potential efficient and clean combustion concept. This study makes the first evaluation of natural gas-diesel RCCI combustion for mid-speed marine ...
Natural gas-diesel reactivity controlled compression ignition with negative valve overlap and in-cylinder fuel reforming
Dual-fuel reactivity controlled compression ignition combustion offers potentially superior overall efficiency and ultra-low nitrogen oxides and soot emissions. Using natural gas as the low reactivity fuel also provides ...
Effect of Alternative Liquid Fuels on the Exhaust Particle Size Distributions of a Medium-Speed Diesel Engine
(Molecular Diversity Preservation International (MDPI), 2019-05-29)
We mainly aimed to determine how alternative liquid fuels affect the exhaust particle size distributions (PSD) emitted by a medium-speed diesel engine. The selected alternative fuels included: circulation-origin marine gas ...
A Business Model Incorporating Harmonic Control as a Value-added Service for Utility-owned Electricity Retailers
(Institute of Electrical and Electronic Engineers, 2019-06-13)
With the deepening of electricity market reform in China, the competition in the electricity retail market becomes increasingly intense. Electricity retailers (ERs) need to explore new business models to enhance their ...
Analysis of ground heat exchanger for a ground source heat pump : A study of an existing system to find optimal borehole length to enhance the coefficient of performance
(World Scientific and Engineering Academy and Society (WSEAS), 2017)
Ground Source Heat Hump is one of the emerging technic to utilize the reservoir of geothermal energy in Europe. The crucial factor is to find the optimal length of the borehole to successfully design a heating system. The ...
Performance and emission characterization of a common-rail compression-ignition engine fuelled with ternary mixtures of rapeseed oil, pyrolytic oil and diesel
Biofuels are one of the short-term alternatives for reducing the well-to-wheel greenhouse gas footprint of transport. In the framework of compression-ignition engine fuels. This study investigates the feasibility of using ...
An experimental study on the drying-out ability of highly insulated wall structures with built-in moisture and rain leakage
The recent research on highly insulated structures presents controversial conclusions on risks in moisture safety. This paper addresses these controversial issues through investigating the hygrothermal performance of energy ...
Eﬀects of packer locations on downhole electric heater performance : experimental test and economic analysis
A downhole electric heater, which reduces heat loss along a heat insulation pipe, is a key apparatus used to ignite oil shale underground. Downhole heaters working together with packers can improve the heating efficiency ...