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Geothermal Energy - DOAJ

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Last Updated: 11 August 2022

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Towards a 100% renewable energy share for heating and cooling in office buildings with solar and geothermal energy

An integrated energy system for office buildings is investigated, with the use of a numerical tool that has been designed to simulating renewable energy-based systems based on geothermal and solar energy. The main system components of the PV-Thermal collectors, several boreholes that form a ground heat exchanger system, and a multi-source heat pump that can be supplied either from the ambient air or water are the PV-Thermal collectors, as shown below. This article is based on the renewable energy portion of the energy system for covering a typical office building's heating and cooling requirements in a warm climate and a cold one. Finally, considering rooftop constraints, it is possible to achieve 82% and 61% renewable share in office buildings with moderate energy efficiency in Athens and Copenhagen, respectively.

Source link: https://doi.org/10.1016/j.seja.2022.100020


Generating Electricity Using Geothermal Energy in Iran

The study, sources and uses of Iranians geothermal energy have been investigated, revealing that Iran has a great potential for electricity production using geothermal energy. According to the report, Iran has one geothermal energy plant in Meshkin shahr city, and this plant, which has a capacity of 100 megawatts, is an operating power plant in Iran.

Source link: https://doi.org/10.21622/resd.2018.04.1.042


Unearthing the Dynamics of Indonesia’s Geothermal Energy Development

Indonesia has one of the world's biggest geothermal energy reserves, with 28. 61 Gigawatts of electric power on demand. For Indonesia, renewable energy sources are needed and the target of achieving 7. 2 GW of geothermal energy by 2025 is required. Geothermal energy development is also required. This paper explores geothermal evolution from a theoretical and holistic perspective, employing the interview technique to facilitate the conceptualization of the geothermal systems using the system dynamics approach.

Source link: https://doi.org/10.3390/en15145009


Numerical Investigation of Seepage and Heat Transfer in Rocks with Various Fracture Patterns for Geothermal Energy Extraction

The seepage and heat transfer coupling process between the working fluid and the fractured rocks in the geothermal reservoir is of utmost importance to the extraction and utilization of geothermal resources. Other than the fractured form, the fluid injection temperature, and injection speed all play a key role in the heat transfer results. Fluid injection temperature rises will increase the total outlet heat of the crossfracture device and extend the system's life. The system life and total outlet heat will be increased by 56. 7 percent and 22. 22%, respectively, as the fluid injection temperature rises from 20-20 to 35°u00b0C.

Source link: https://doi.org/10.1155/2022/3918840

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions