Results 11 to 20 of about 2,905,272 (283)

Sub-hourly simulation of residential ground coupled heat pump systems [PDF]

open access: yes, 2008
Residential Ground Coupled Heat Pump systems are usually characterised by an ON/OFF behaviour of the heat pump with typical cycling frequencies of 1 - 4 cycles per hour.
Bernier, Michel, Kummert, Michael
core   +4 more sources

Development and application of test cases for comparing vertical ground heat exchanger models [PDF]

open access: yes, 2007
The main objective of this paper is to establish a set of test cases for analytical verifications and intermodel comparisons of ground heat exchanger (GHX) models used in building simulation programs. Several test cases are suggested.
Bernier, M.   +2 more
core   +5 more sources

The conditions of twenty-four—hour charging of the group ground accumulator of solar plant system

open access: yesTrudy Odesskogo Politehničeskogo Universiteta, 2015
The numerical investigations of unsteady heat transfer in the seasonal heat accumulator of a solar plant system with the 9 ground heat exchangers in process of periodic, with day cycle, charging at the summer period are carried out.
Віктор Васильович Височин   +1 more
doaj   +7 more sources

STUDY OF BOREHOLE HEAT EXCHANGER HEAT TRANSFER ENHANCEMENT PARAMETERS

open access: yesВестник КазНУ. Серия математика, механика, информатика, 2022
This paper discusses the study of parameters for improving the heat transfer of a borehole heat exchanger for a ground source heat pump application. The study of efficiency parameters was carried out based on an experimental prototype of a ground source ...
T. Amanzholov   +3 more
doaj   +1 more source

Ground heat exchange potential of Green Infrastructure

open access: yesGeothermics, 2022
Geothermics : an international journal of geothermal research and its applications 101, 102351 (2022).
Anil Yildiz, Ross A. Stirling
openaire   +3 more sources

Analysis of ground massif temperatures with horizontal heat exchanger

open access: yesResearch in Agricultural Engineering, 2013
The paper is aimed at specification of ground massif temperatures in the horizontal heat exchanger area in both the heating season and during heat exchanger stagnation.
M. Šeďová   +2 more
doaj   +1 more source

Thermal efficiency of geothermal ventilation under conditions of temperate climate

open access: yesBudownictwo o Zoptymalizowanym Potencjale Energetycznym, 2020
The article deals with modern energy-efficient systems for providing the microclimate of energy-saving buildings, consisting of geothermal ventilation with ground heat exchangers. The results of modern scientific research in this field are described.
Vasyl Zhelykh
doaj   +1 more source

Modeling the Temperature Field in the Ground with an Installed Slinky-Coil Heat Exchanger

open access: yesEnergies, 2021
In order to find the temperature field in the ground with a heat exchanger, it is necessary to determine temperature responses of the ground caused by heat sources and the influence of the environment.
Monika Gwadera, Krzysztof Kupiec
doaj   +1 more source

Overview of solutions to improve efficiency of ground source heat pump system [PDF]

open access: yesYouqicang pingjia yu kaifa, 2023
Shallow geothermal energy, with applications ranging from road snow melting and deicing to building heating/cooling, primarily utilizes closed-loop vertical buried pipes for resource exploitation.
ZHANG Yuping, YANG Xiao, LIU Jun, LIU Boyang, TANG Fujiao, TAN Yiqiu
doaj   +3 more sources

The Latent Heat Exchange on the Ground

open access: yesJournal of Environmental Science International, 2011
Abstract Evapotranspiration is one of the important elements related water cycle and there is many kind of measurement method of evapotranspiration today. This study developed mini lysimeter for the purpose of direct measurement of evapotranspiration and installed on 5th, July, 2010 at the field of MRI which located at Tsukuba, Ibaraki, Japan for ...
Bu-Yong Lee, Shigenori Haginoya
openaire   +2 more sources

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