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Aineistot 1-10 / 18
Effects of sulphur on the storage stability of the bio and fossil fuel blends
(Estonian Agricultural University, Faculty of Agronomy, 2017)
- article
In this study, the aim was to find out if mixing two common fuels together could be beneficial for both the environment and storage stability of fuel. It is obvious, that adding biodiesel to fossil fuel will decrease its ...
The effect of sulphur content on B20 fuel stability
(Estonian University of Life Sciences, 2016)
- article
The aim of this study was to investigate if a high amount of sulphur is favourable for the fuel blends' storage stability. The parameters that correlate with the storage stability of the fuel blends were compared with two ...
Behavior of B20 fuels in arctic conditions
(Estonian Agricultural University, Faculty of Agronomy, 2019)
- article
Several renewable and sustainable liquid fuel alternatives are needed for different compression-ignition (CI) engine applications to reduce greenhouse gas (GHG) emissions and to ensure proper primary energy sources for the ...
Kinematic viscosity studies for medium-speed CI engine fuel blends
(Estonian Agricultural University, Faculty of Agronomy, 2018)
- article
Engine - driven power plants, run by diesel fuel or gas, will be needed for peaking power to keep the electricity grids stable when the production of renewable electricity, e.g. utilizing wind or solar power, is increased. ...
Seabed sediment : a natural seasonal heat storage feasibility study
(Estonian Agricultural University, Faculty of Agronomy, 2017)
- article
The new discovery among renewable energy resources, seabed sediment, has been utilised as a heat source for 42 houses in Vaasa since 2008. Sediment heat is annually loaded by the Sun. In this study the amount of annually ...
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)
- article
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 ...
Feasibility of New Liquid Fuel Blends for Medium-Speed Engines
(Molecular Diversity Preservation International (MDPI), 2019-07-20)
- article
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 ...
Seabed Sediment as an Annually Renewable Heat Source
(MDPI, 2018-02-15)
- article
Thermal energy collected from the sediment layer under a water body has been suggested for use as a renewable heat source for a low energy network. A prototype system for using this sediment energy was installed in Suvilahti, ...
Microalgae Chlorella vulgaris biomass harvesting by natural flocculant : effects on biomass sedimentation, spent medium recycling and lipid extraction
(BMC, 2018)
- article
Background: Microalgal biomass harvesting using traditional chemicals is costly for the production of biofuels, hindering the scale-up process of the technology. Thus, the search for a cost-effective microalgal harvesting ...
A questionnaire case study to investigate public awareness of smog pollution in China's rural areas
(Molecular Diversity Preservation International (MDPI), 2016-10-31)
- article
Smog pollution is one of China’s most pressing public health issues today and has therefore received significant attention worldwide. Not only cities but also villages in China are suffering from smog pollution, especially ...