Labelled dataset for Ultra-Low Temperature Freezer to aid dynamic modelling & fault detection and diagnostics

Autor: Tao Huang, Silas Nøstvik, Peder Bacher, Jonas Kjær Jensen, Wiebke Brix Markussen, Jan Kloppenborg Møller

Publikováno v: Scientific Data, Vol 10, Iss 1, Pp 1-12 (2023)

Abstract Ultra-low temperature (ULT) freezers are used to store perishable biological contents and are among the most energy-intensive equipment in laboratory buildings, biobanks, and similar settings. To ensure reliable and efficient operation, it i

Externí odkaz: https://doaj.org/article/d22877636d674674be709edd86373b7e

Experimental Characterization of the Heat Transfer in Multi-Microchannel Heat Sinks for Two-Phase Cooling of Power Electronics

Autor: Gennaro Criscuolo, Wiebke Brix Markussen, Knud Erik Meyer, Björn Palm, Martin Ryhl Kærn

Publikováno v: Fluids, Vol 6, Iss 2, p 55 (2021)

This study aims to characterize experimentally the heat transfer in micro-milled multi-microchannels copper heat sinks operating with flow boiling, in the attempt to contribute to the development of novel and high heat flux thermal management systems

Externí odkaz: https://doaj.org/article/c0b3bdaea68f4483adf7f0dad2f9b9da

Comparison of compressor control strategies for energy efficient refrigerated counters

Autor: Wiebke Brix Markussen, Jonas Kjær Jensen, Per Henrik Pedersen, Martin Ryhl Kærn

Publikováno v: International Journal of Refrigeration. 126:1-11

Small scale hermetic compressors with built-in frequency converters for compressor speed adjustment are an emerging technology on the commercial market. These compressor technologies offer the ability to impose innovative compressor control strategie

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4daa29219805bb6260bb1a963673341b
https://doi.org/10.1016/j.ijrefrig.2021.02.008

Use of industrial excess heat to produce district cooling in tropical countries

Autor: Valentin Salgado Fuentes, Fabian Bühler, Wiebke Brix Markussen

Publikováno v: Salgado Fuentes, V, Bühler, F & Markussen, W B 2021, Use of industrial excess heat to produce district cooling in tropical countries . in Proceedings of the 34th International Conference on Efficiency, Cost, Optimization, Simulation and Environmental Impact of Energy Systems 2021 . ECOS, pp. 1339-1349, 34th International Conference on Efficency, Cost, Optimization, Simulation and Environmental Impact of Energy Systems, Taormina, Sicily, Italy, 28/06/2021 .
Technical University of Denmark Orbit

The use of fossil energy represents the largest source of greenhouse gas emissions among human activities. Thus, world population growth and rapid urbanisation require the development of energy-efficient solutions. In tropical countries,climate condi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f93a6a6e571aa80e92e3ee9d8ce5418c
https://doi.org/10.52202/062738-0118

Performance of heat pumps using pure and mixed refrigerants with maldistribution effects in plate heat exchanger evaporators

Autor: Roberta Mancini, Vikrant Aute, Benjamin Zühlsdorf, Wiebke Brix Markussen, Brian Elmegaard

Publikováno v: Mancini, R, Zühlsdorf, B, Aute, V, Markussen, W B & Elmegaard, B 2019, ' Performance of heat pumps using pure and mixed refrigerants with maldistribution effects in plate heat exchanger evaporators ', International Journal of Refrigeration, vol. 104, pp. 390-403 . https://doi.org/10.1016/j.ijrefrig.2019.05.023

This paper presents a combined plate heat exchanger (PHE) - heat pump simulation framework for the evaluation of flow maldistribution in PHE evaporators and its effect on the cycle thermodynamic and economic performance. A case study of heat pump int

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5add7286bfd2bb8f101d5cc9077d76cd
https://doi.org/10.1016/j.ijrefrig.2019.05.023