Výsledky vyhledávání - "Bjørn R Sørensen"

The Impacts of Climate Zone, Wall Insulation, and Window Types on Building Energy Performance

Autor: Mohamad Y. Mustafa, Bjørn R Sørensen, Serik Tokbolat, Abid Nadeem, Yerzhan Abzhanov

Publikováno v: Design and Construction of Smart Cities ISBN: 9783030642167

Building energy consumption tends to increase over the next few decades due to the increasing level of urbanization and population. These days much attention has been paid to the enhancement of energy performance of residential and non-residential st

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e2190d5f6fc15ccda60a28c5144d6b7e
https://doi.org/10.1007/978-3-030-64217-4_31

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Modelling Multi-layer Hydronic Radiators

Autor: Liguo Chen, Bjørn R Sørensen

Publikováno v: E3S Web of Conferences, Vol 172, p 12007 (2020)

This report simulates Purmo type C22 and C33 radiators with both standard calculation and heat transfer method with help of Matlab/Simulink. Simulation results are presented to describe the radiators’ thermal performances with different simulation

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::48116828c97a1d773902ca4383c91ab5
https://hdl.handle.net/10037/20280

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Soil Moisture Variations in Frozen Ground Subjected to Hydronic Heating

Autor: Hung Thanh Nguyen, Bjørn R Sørensen, Svein Erik Sveen

Full-scale thawing experiments, performed on three types of homogenous, initially frozen soils, were carried out during late winter 2011 and repeated in 2012. An auxiliary heat source (hydronic heating) was employed to initiate and expedite the thawi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ac0e8478d43408081f3aaa26376c6b6d
https://hdl.handle.net/10037/23729

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Comparative analysis of heat transfer performance of coaxial pipe and U-type deep borehole heat exchangers

Autor: Ping Cui, Yi Man, Wenjing Li, Yu Mingzhi, Zhaohong Fang, Zhang Wenke, Bjørn R Sørensen

Publikováno v: Geothermics. 96:102220

This paper discusses the advantages of medium-deep geothermal energy and describes the structural principles of coaxial pipe and U-type deep borehole heat exchangers (BHEs). The heat transfer performances of the two types of deep BHEs are compared. T

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::09635eb63e93557aa3d171f0149e8453
https://doi.org/10.1016/j.geothermics.2021.102220

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Numerical study on the ventilation performance of a livestock house built in porous panels in Cold Regions

Autor: Bjørn R Sørensen, Mohamad Y. Mustafa, Yizhong Xu, Rajnish K. Calay

This paper presents a numerical prediction on the assessment of natural ventilation on a livestock house built in porous panels, aided by Computational Fluid Dynamics techniques. A typical climatic environment in Cold Regions was taken into considera

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::db176e90c5330dab54630472d99f5279
https://hdl.handle.net/10037/17593

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Ventilation and environmental control of underground spaces : a short review

Autor: Angui Li, Ping Cui, Linhua Zhang, Arsen Krikor Melikov, Bin Yang, Thomas Olofsson, Bjørn R Sørensen, Ou Han, Risto Kosonen

Publikováno v: E3S Web of Conferences, Vol 111, p 01039 (2019)

More and more underground spaces were used in 21st century because of rapid urbanization, traffic problems, etc. Underground city, metro, tunnel, mine, industrial and agriculture engineering, civil air defence engineering need large underground space

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::50993f68be40e66849be21820e26a66b
http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-203401

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Control of Airborne Noise Generated in the Cavities of a T-Slotted Aluminum Cylindrical Column

Autor: Jose Santos, Aziz Al-Mahadin, Mohamad Y. Mustafa, Yizhong Xu, Bjørn R Sørensen

Accepted manuscript version. Published version available at; https://doi.org/10.1109/ICASET.2018.8376876 This paper presents a study of airborne noise generated by a T-slotted cylindrical aluminum hollow column with six slots of the type used for the

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::487f9cffbfc4460d720c649c5ae52205
https://hdl.handle.net/10037/15248

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Thaw Penetration in Frozen Ground Subjected to Hydronic Heating

Autor: Hung Thanh Nguyen, Svein Erik Sveen, Bjørn R Sørensen

Publikováno v: Journal of Cold Regions Engineering. 31

Publishers version: 10.1061/(ASCE)CR.1943-5495.0000117#sthash.J1DbtqlQ.dpuf To facilitate excavation and foundation work in seasonally freezing or permafrost regions, the frozen soil must be thawed, either by natural (solar) thawing, or by artificial

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d26e9891fa51fb4511c2153c1ae499a6
https://doi.org/10.1061/(asce)cr.1943-5495.0000117

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Numerical Simulation of Non-normal Wind Load on Porous Fences

Autor: Yizhong Xu, Bjørn R Sørensen, Rajnish K. Calay, Mohamad Y. Mustafa

Can archive publisher's version in open access repositories, under Creative Commons Attribution Non-Commercial No Derivatives License. Link to publisher's version: https://doi.org/10.1016/j.egypro.2017.03.1082 This paper presents a numerical simulati

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9d78ef303b01e166c35888aec98aa37f
https://hdl.handle.net/10037/12697

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