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Reliable Renewable Hybrid Energy Solutions
(SWEDES Centre, 2019)
- article
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 ...
Thermal Response of Multiple Pipes and Fluids Using COMSOL for Geothermal Energy System Application
(NAUN, 2014)
- article
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 ...
Statistical Investigation of Climate Change Effects on the Utilization of the Sediment Heat Energy
(MDPI, 2022-01-07)
- article
Suvilahti, a suburb of the city of Vaasa in western Finland, was the first area to use seabed sediment heat as the main source of heating for a high number of houses. Moreover, in the same area, a unique land uplift effect ...
Ecological governance in rural areas : Finnish approaches and practices
(Academic Journals, 2014-08-15)
- article
Along with the development of rural areas, rural ecological issues caused by inappropriate anthropogenic activities have not been drowned in the contexts of global environmental problems. The acceleration of rural development ...
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 ...
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 ...
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 ...
Evaluating heat current through concrete crush for heat storing application : a preliminary study using polynomial fitting for heat current curves
(IEEE, 2020-02-13)
- conferenceObject
The purpose of this paper is to study heat current through concrete crush as the crush is considered a possible material for heat storage. The heat current parameter is important for heat storages as it describes how ...
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. ...