Results 51 to 60 of about 1,281,141 (243)

Existence of High Temperature Geothermal Resources in the Igneous Rock Regions of South China

open access: yesFrontiers in Earth Science, 2021
Large areas of Yanshan period granites with high heat production values (3–10 μW/m3) and mantle plume around Hainan province co-exist in Igneous Rocks Regions of South China (IRRSC).
Yiman Li   +12 more
doaj   +1 more source

The Hot Interstellar Medium in Normal Elliptical Galaxies III: The Thermal Structure of the Gas

open access: yes, 2008
This is the third paper in a series analyzing X-ray emission from the hot interstellar medium in a sample of 54 normal elliptical galaxies observed by Chandra, focusing on 36 galaxies with sufficient signal to compute radial temperature profiles.
Best P. N.   +5 more
core   +1 more source

Thermodynamic analysis for definition of low-potential heat sources

open access: yesUnconventional Resources
This study presents a method for defining low-potential energy sources based on thermodynamic analysis. It defines low potential energy sources and presents the results of calculating temperature levels corresponding to the concept of a low potential ...
Michail Purdin
doaj   +1 more source

Low to high temperature energy conversion system [PDF]

open access: yes, 1977
A method for converting heat energy from low temperature heat sources to higher temperature was developed. It consists of a decomposition chamber in which ammonia is decomposed into hydrogen and nitrogen by absorbing heat of decomposition from a low ...
Miller, C. G.
core   +1 more source

Thermodynamic performance analysis of a R245fa organic Rankine cycle (ORC) with different kinds of heat sources at evaporator

open access: yesCase Studies in Thermal Engineering, 2019
The first and the second law analyses of a 20 kWeR245fa organic Rankine cycle (ORC) with low grade temperature heat sources were numerically studied.
Rithy Kong   +4 more
doaj   +1 more source

The low-temperature energy calibration system for the CUORE bolometer array

open access: yes, 2009
The CUORE experiment will search for neutrinoless double beta decay (0nDBD) of 130Te using an array of 988 TeO_2 bolometers operated at 10 mK in the Laboratori Nazionali del Gran Sasso (Italy).
A. L. Woodcraft   +10 more
core   +1 more source

RELATED, A FLEXIBLE APPROACH TO THE DEPLOYMENT AND CONVERSION OF DH NETWORKS TO LOW TEMPERATURE, WITH INCREASED USE OF LOCAL SOLAR SYSTEMS [PDF]

open access: yes, 2018
District heating (DH) systems are key systems for the de-carbonization of heating energy in European Cities. In order to allow for this transition, while guaranteeing competitive energy costs, conversion of DHs is required. DH operation temperature needs
Garay, Roberto, Sánchez Zabala, Víctor
core   +1 more source

Techno-Economic Optimization of a Low-Temperature Organic Rankine System Driven by Multiple Heat Sources

open access: yesFrontiers in Sustainability, 2022
This study presents the optimization of organic Rankine cycle (ORC) which utilizes low temperature waste heat from the aluminum production process and two low temperature renewable energy sources, solar thermal energy and geothermal energy. As geothermal
Monika Dokl   +2 more
doaj   +1 more source

Mechanical vapor compressio--Membrane distillation hybrids for reduced specific energy consumption [PDF]

open access: yes, 2016
The energy efficiency of membrane distillation (MD) systems is low when compared to other thermal desalination systems. This leads to high water production costs when conventional fuels such as natural gas are used.
Lienhard, John H   +2 more
core   +1 more source

Selection Maps for ORC and CO2Systems for Low-Medium Temperature Heat Sources [PDF]

open access: yes, 2017
Low-medium temperature heat sources in the range 5 - 50 MWthare made available by many industrial fields but they may also be of interest for biomass and solar energy applications. ORC has been proposed in the last 20 years as a reliable solution for the
Astolfi, Marco   +2 more
core   +1 more source

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