Results 81 to 90 of about 202,032 (211)

The NSF/RANN FY 1975 program for geothermal resources research and technology [PDF]

open access: yes
The specific goal of the NSF geothermal program is the rapid development by industry of the nation's geothermal resources that can be demonstrated to be commercially, environmentally and socially acceptable as alternate energy sources.
Kruger, P.
core   +1 more source

Direct Use of Low Enthalpy Deep Geothermal Resources in the East African Rift Valley [PDF]

open access: yes, 2015
Geothermal energy is already harnessed across East Africa to provide hundreds of megawatts of electricity, with significant plans for future expansion towards generation at the gigawatt scale.
Delacherois Day, George   +4 more
core  

Techno-Economic Feasibility of Green Hydrogen Production Utilizing Geothermal Energy in Indonesia

open access: yesProceedings
This study provides a comprehensive techno-economic assessment of green hydrogen production utilizing geothermal energy, conducted by PT Pertamina Geothermal Energy Tbk, Indonesia [...]
Jati Permana Kurniawan   +3 more
doaj   +1 more source

Shallow volcanic reservoirs and pathways beneath Aso caldera revealed using ambient seismic noise tomography

open access: yesEarth, Planets and Space, 2018
Imaging the shallow velocity structures beneath Aso caldera is necessary to further understand volcanism at the volcano and in the region. The network for monitoring Aso volcano has been progressively renewed and upgraded with denser and more modern ...
Yu-Chih Huang   +4 more
doaj   +1 more source

A brief description of geological and geophysical exploration of the Marysville geothermal area [PDF]

open access: yes
Extensive geological and geophysical surveys were carried out at the Marysville geothermal area during 1973 and 1974. The area has high heat flow (up to microcalories per square centimeter-second, a negative gravity anomaly, high electrical resistivity ...
Blackwell, D. D.   +9 more
core   +1 more source

Helical rotary screw expander power system [PDF]

open access: yes
An energy converter for the development of wet steam geothermal fields is described. A project to evaluate and characterize a helical rotary screw expander for geothermal applications is discussed.
Mckay, R. A., Sprankle, R. S.
core   +1 more source

Geothermal handbook. Geothermal project, 1976. [Ecological effects of geothermal resources development]

open access: yes, 1976
The geothermal program of Fish and Wildlife Service, U.S. Dept. of Interior, aims to develop ecologically sound practices for the exploration, development, and management of geothermal resources and the identification of the biological consequences of such development so as to minimize adverse effects on fish and wildlife resources.
openaire   +3 more sources

Renewing the Exploration Approach for Mid-Enthalpy Systems: Examples from Northern England and Scotland [PDF]

open access: yes, 2015
After a promising start in the 1970s and 80s, the UK rather fell behind other countries in the search for viable mid-enthalpy geothermal resources.
Elliott, Thomas   +9 more
core  

Repurposing idle wells in the North German Basin as deep borehole heat exchangers

open access: yesGeothermal Energy
This study investigates the feasibility to repurpose wells from gas production for geothermal closed-loop application in the North German Basin (NGB). The objective for this research topic is to extend the value-added chain of idle wells by re-completion
Nora Koltzer   +4 more
doaj   +1 more source

Calculation of state equation isobars of carbon dioxide and methane in pressure interval from 2 to 20 MPa

open access: yesФизико-химические аспекты изучения кластеров, наноструктур и наноматериалов
The paper presents the calculation results for the state equation isobars of carbon dioxide and methane in the pressure range from 2 to 20 MPa. The calculations have been performed by using the fractal equation of state and the Fract EOS software. It was
R.A. Magomedov, E.V. Akhmedov
doaj   +1 more source

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