Aineistot 1-10 / 118
Calibration Method for the Determination of the FAME and HVO Contents in Fossil Diesel Blends Using NIR Spectroscopy
The European diesel fuel standard, EN590, allows a 7% (V/V) biodiesel (FAME) addition to automotive diesel fuel. The allowed addition of renewable diesel (HVO) to fossil diesel is not defined, as long as the properties of ...
Reliable Renewable Hybrid Energy Solutions
(SWEDES Centre, 2019)
Worldwide studies, including the Paris agreement, show that it is necessary to reduce dependency on the non-renewable energy sources and fossil fuels such as oil and coal. Transition to renewable energy is evident, and ...
Performance and emissions of a medium-speed engine driven with sustainable options of liquid fuels
(SAE International, 2020-09-15)
Energy production and transport are major global contributors of greenhouse gas emissions. Both sectors should reduce their use of fossil energy sources. Pollutant emissions must also be reduced without jeopardizing energy ...
A preliminary test for using a borehole as cool storage
(Faculty of Mechanical Engineering and Naval Architecture, Zagreb, 2020)
This paper describes a preliminary test for using a borehole as a cool storage. The testing was done using a dry borehole in Vaasa area. The cooling was done using a special trailer in period of 9 days after which the ...
Operational profile based optimization method for maritime diesel engines
This paper presents an approach to a new engine calibration method that takes the engine’s operational profile into account. This method has two main steps: modeling and optimization. The Design of Experiments method is ...
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 ...
Seasonal temperature variation in heat collection liquid used in renewable, carbon-free heat production from urban and rural water areas
(Estonian University of Life Sciences, 2015)
A renewable energy source called sediment energy is based on heat collection with tubes similar to those used in ground energy and is installed inside a sediment layer under water body. In this paper, an investigation of ...
Thermal Response of Multiple Pipes and Fluids Using COMSOL for Geothermal Energy System Application
A geothermal system is modeled using COMSOL. The purpose is to study and evaluate the thermal response of the pipes and the fluids. The model is designed for a low energy network. A part of this network is used to collect ...
Emission Abatement Technology Selection, Routing and Speed Optimization of Hybrid Ships
This paper evaluates the effect of a large-capacity electrical energy storage, e.g., Li-ion battery, on optimal sailing routes, speeds, fuel choice, and emission abatement technology selection. Despite rapid cost reduction ...
Partially premixed combustion of hydrotreated vegetable oil in a diesel engine : Sensitivity to boost and exhaust gas recirculation
Hydrotreated vegetable oil (HVO) has potential to emerge as an alternative fuel to mineral diesel due to its favourable properties. The present study investigated HVO under partially premixed compression ignition combustion ...