Journal ArticleDOI
Effect of different design aspects of pipe for earth air tunnel heat exchanger system: A state of art
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In this article, Earth air tunnel heat exchanger (EATHE) is a promising passive technique to provide thermal comfort condition in buildings, which uses undisturbed temperature of the ground for heating/cooling.Abstract:
Earth air tunnel heat exchanger (EATHE) is a promising passive technique to provide thermal comfort condition in buildings. EATHE system uses undisturbed temperature of the ground for heating/cooli...read more
Citations
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Journal ArticleDOI
Improving the thermal performance of ground air heat exchanger system using sand-bentonite (in dry and wet condition) as backfilling material
TL;DR: In this paper, the authors investigated the thermal performance of ground-air heat exchanger system using a sand-bentonite mixture (dry as well as wet) and compared their performance with the ground air heat exchangeer system having native soil as backfilling material.
Journal ArticleDOI
Advances in standalone and hybrid earth-air heat exchanger (EAHE) systems for buildings: A review
TL;DR: In this article, an up-to-date survey on recent advances in earth-air heat exchanger (EAHE) systems for buildings, and presents systematic information on the main design parameters and operation conditions that affect the overall performance of the technology.
Journal ArticleDOI
Approximated flow characteristics of multi-pipe earth-to-air heat exchangers for thermal analysis under variable airflow conditions
TL;DR: In this article, the influence of non-uniform airflow distribution among branch-pipes on the thermal performance of multi-pipe earth-to-air heat exchangers is investigated.
Journal ArticleDOI
Thermal performance analysis of slinky-coil ground-air heat exchanger system with sand-bentonite as backfilling material
TL;DR: In this paper, a flexible PVC pipe of 75mm diameter and 30m length, has been arranged in slinky-coil pattern and installed horizontally in a soil box of 10.2m length.
Journal ArticleDOI
Effective parameters on the performance of ground heat exchangers: A review of latest advances
Jan Knobloch,Amr Elsayed +1 more
TL;DR: In this paper , an overview of the previous research on improving the thermal and flow performance of the ground heat exchanger is presented, which is divided into six parts: working fluid, the thermal conductivity of the backfill material and groundwater have the greatest impact on increasing the performance compared to other parameters.
References
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Journal ArticleDOI
Optimization methods applied to renewable and sustainable energy: A review
Raúl Baños,Francisco Manzano-Agugliaro,Francisco G. Montoya,Consolación Gil,Alfredo Alcayde,Julio Gómez +5 more
TL;DR: A review of the current state of the art in computational optimization methods applied to renewable and sustainable energy can be found in this article, which offers a clear vision of the latest research advances in this field.
Journal ArticleDOI
Ground-source heat pumps systems and applications
TL;DR: A detailed literature-based review of ground-source heat pump technology, concentrating on loops, ground systems, and looks more briefly at applications and costs and benefits is provided in this paper. But, despite potential environmental problems, geothermal heat pumps pose little if any serious environmental risk when best management practices are applied during the installation, operation, and decommissioning of these systems.
Journal ArticleDOI
Ground heat exchangers—A review of systems, models and applications
TL;DR: In the literature, several calculation models are found for ground heat exchangers as discussed by the authors, which can accommodate for any type of grid geometry that may give greater detail of the temperature variation around the pipes and in the ground.
ReportDOI
Earth temperature and thermal diffusivity at selected stations in the united states
T Kusuda,Paul R. Achenbach +1 more
TL;DR: In this article, the average amplitude and phase angle of the earth temperature at various depths throughout the 48 contiguous states of the United States of America have been computed using a least square method.
Journal ArticleDOI
Passive cooling dissipation techniques for buildings and other structures: The state of the art
TL;DR: In this article, the authors present a review of state-of-the-art passive cooling dissipation techniques in the built environment and their contribution in the improvement of indoor environmental quality as well as in the reduction of cooling needs.