• Nils Koppels Allé, 403, 016

    2800 Kgs. Lyngby

    Denmark

20052022
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Research Output 2005 2019

2019
1 Downloads (Pure)

Assessment of a combination of three heat sources for heat pumps to supply district heating

Pieper, H., Ommen, T., Elmegaard, B. & Markussen, W. B., 2019, In : Energy. 176, p. 156-170

Research output: Contribution to journalJournal articleResearchpeer-review

37 Downloads (Pure)

Comparison of compressor control strategies for solar direct drive refrigerators

Jensen, J. K., Moeller, H., Katic, I., Pedersen, P. H. & Markussen, W. B., 2019, Proceedings of the 25th IIR International Congress of Refrigeration. International Institute of Refrigeration, 8 p.

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Open Access
File
29 Downloads (Pure)

Comparison of COP estimation methods for large-scale heat pumps in energy planning tools

Pieper, H., Ommen, T., Jensen, J. K., Elmegaard, B. & Markussen, W. B., 2019, Proceedings of ECOS 2019: 32nd International Conference on Efficiency, Cost, Optimization, Simulation and Environmental Impact of Energy Systems. 19 p.

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Open Access
File
48 Downloads (Pure)

Design considerations for dynamically operated large-scale ammonia heat pumps

Meesenburg, W., Kofler, R., Ommen, T., Markussen, W. B. & Elmegaard, B., 2019, Proceedings of the 25th IIR International Congress of Refrigeration. International Institute of Refrigeration, p. 2591-2598 1203

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Open Access
File
11 Downloads (Pure)

Design optimization of plate heat exchanger absorbers and desorbers for hybrid absorption compression heat pumps

Mancini, R., Jensen, J. K., Reinholdt, L., Markussen, W. B. & Elmegaard, B., 2019, Proceedings of ECOS 2019: 32nd International Conference on Efficiency, Cost, Optimization, Simulation and Environmental Impact of Energy Systems. 14 p.

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Open Access
File
38 Downloads (Pure)

Design recommendations for plate heat exchangers in heat pumps using pure and mixed refrigerants

Mancini, R., Zühlsdorf, B., Markussen, W. B. & Elmegaard, B., 2019, Proceedings of the 25th IIR International Congress of Refrigeration. International Institute of Refrigeration, 8 p. 853

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Open Access
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Experimental Investigation on Power Electronics Cooling by Convective Evaporation of R134a in High Aspect Ratio Copper Microchannels

Criscuolo, G., Kærn, M. R. & Markussen, W. B., 2019, 25th International Workshop on Thermal Investigations of ICs and Systems (THERMINIC 2019) . IEEE, 6 p.

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

30 Downloads (Pure)

Extending the autonomy time of an icelined solar powered vaccine cooler

Jensen, J. K., Busk, C., Cording, C., Pedersen, P. H. & Markussen, W. B., 2019, Proceedings of the 25th IIR International Congress of Refrigeration. International Institute of Refrigeration, 8 p.

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Open Access
File
37 Downloads (Pure)

Generalized COP estimation of heat pump processes for operation off the design point of equipment

Ommen, T., Jensen, J. K., Meesenburg, W., Jørgensen, P. H., Pieper, H., Markussen, W. B. & Elmegaard, B., 2019, Proceedings of the 25th IIR International Congress of Refrigeration. International Institute of Refrigeration, 8 p. 648

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Open Access
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60 Downloads (Pure)
Open Access
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42 Downloads (Pure)

Mapping of Coefficient of Performance for large-scale ammonia heat pumps for district heating systems

Jørgensen, P. H., Ommen, T., Markussen, W. B. & Elmegaard, B., 2019, Proceedings of the 25th IIR International Congress of Refrigeration. International Institute of Refrigeration, 8 p.

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Open Access
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48 Downloads (Pure)
Open Access
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80 Downloads (Pure)

Multi-objective optimization of low charge liquid overfeed ammonia evaporators for industrial refrigeration

Kærn, M. R., Markussen, W. B. & Kristófersson, J., 2019, Proceedings of the 8th Conference on Ammonia and CO2 Refrigeration Technologies. International Institute of Refrigeration, p. 86-93 (Institut International du Froid. Bulletin).

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Open Access
File
14 Downloads (Pure)
Open Access
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Performance of heat pumps using pure and mixed refrigerants with maldistribution effects in plate heat exchanger evaporators

Mancini, R., Zühlsdorf, B., Aute, V., Markussen, W. B. & Elmegaard, B., 2019, In : International Journal of Refrigeration. 104, p. 390-403

Research output: Contribution to journalJournal articleResearchpeer-review

27 Downloads (Pure)

Performance Optimization of a Large-Scale Ammonia Heat Pump in Off-Design Conditions

Jørgensen, P. H., Ommen, T., Markussen, W. B. & Elmegaard, B., 2019, Proceedings of the 8th Conference on Ammonia and CO2 Refrigeration Technologies. International Institute of Refrigeration, p. 107-114 (Institut International du Froid. Bulletin).

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Open Access
File
31 Downloads (Pure)

Screening of heat pump performance improvements obtained through gradual heating using a tank system

Kofler, R., Elmegaard, B., Madsen, C., Olsen, L. & Markussen, W. B., 2019, Proceedings of the 25th IIR International Congress of Refrigeration. International Institute of Refrigeration, p. 4608-4615

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Open Access
File
2018
378 Downloads (Pure)

Allocation of investment costs for large-scale heat pumps supplying district heating

Pieper, H., Ommen, T., Bühler, F., Lava Paaske, B., Elmegaard, B. & Markussen, W. B., 2018, In : Energy Procedia. 147, p. 358-367

Research output: Contribution to journalConference articleResearchpeer-review

Open Access
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Comparison of a CO2 refrigeration and heat pump test system with and without ejector

Kærn, M. R., Song, Y., Markussen, W. B. & Elmegaard, B., 2018, Proceedings of the13th IIR-Gustav Lorentzen Conference on Natural Refrigerants . International Institute of Refrigeration, p. 847-855 1290 . (Science et Technique du Froid).

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

416 Downloads (Pure)

Comparison of Heat Transfer and Pressure Drop Correlations for Evaporation of Zeotropic Mixtures in Plate Heat Exchangers

Mancini, R., Jensen, J. K., Markussen, W. B. & Elmegaard, B., 2018, Proceedings of the13th IIR-Gustav Lorentzen Conference on Natural Refrigerants . International Institute of Refrigeration, Vol. 1. p. 659-668

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Open Access
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Deriving guidelines for the design of plate evaporators in heat pumps using zeotropic mixtures

Mancini, R., Zühlsdorf, B., Jensen, J. K., Markussen, W. B. & Elmegaard, B., 2018, In : Energy. 156, p. 492-508

Research output: Contribution to journalJournal articleResearchpeer-review

251 Downloads (Pure)

Design and optimization of the heat exchanger network for district heating ammonia heat pumps connected in series

Jørgensen, P. H., Ommen, T., Markussen, W. B., Rothuizen, E. D., Hoffmann, K. & Elmegaard, B., 2018, Proceedings of the13th IIR-Gustav Lorentzen Conference on Natural Refrigerants . International Institute of Refrigeration, p. 1225-1235

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Open Access
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Experimental comparison and visualization of in-tube continuous and pulsating flow boiling

Kærn, M. R., Markussen, W. B., Meyer, K. E., Elmegaard, B. & Palm, B., 2018, In : International Journal of Heat and Mass Transfer. 125, p. 229-242

Research output: Contribution to journalJournal articleResearchpeer-review

197 Downloads (Pure)

Heat pump COP, part 2: Generalized COP estimation of heat pump processes

Jensen, J. K., Ommen, T., Reinholdt, L., Markussen, W. B. & Elmegaard, B., 2018, Proceedings of the13th IIR-Gustav Lorentzen Conference on Natural Refrigerants . International Institute of Refrigeration, Vol. 2. p. 1136-1145

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Open Access
File
98 Downloads (Pure)

Impact of Liquid/Vapor Maldistribution on the Performance of a Plate Heat Exchanger Evaporator for Pure and Mixed Refrigerants

Mancini, R., Aute, V., Markussen, W. B. & Elmegaard, B., 2018. 10 p.

Research output: Contribution to conferencePaperResearchpeer-review

Open Access
File
1 Downloads (Pure)

Improving the performance of booster heat pumps using zeotropic mixtures

Zühlsdorf, B., Meesenburg, W., Ommen, T. S., Thorsen, J. E., Markussen, W. B. & Elmegaard, B., 2018, In : Energy. 154, p. 390-402

Research output: Contribution to journalJournal articleResearchpeer-review

87 Downloads (Pure)

Influence of Compressor Control Strategy on Energy Efficiency and Product Temperature for Professional Counter Cabinets

Jensen, J. K., Kærn, M. R., Markussen, W. B. & Pedersen, P. H., 2018, Proceedings of the13th IIR-Gustav Lorentzen Conference on Natural Refrigerants . International Institute of Refrigeration, Vol. 1. p. 635-643

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Open Access
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Varmepumper og kølemidler

Elmegaard, B., Jørgensen, P. H., Ommen, T. S. & Markussen, W. B., 2018, In : Fjernvarmen. 6, p. 56-57

Research output: Contribution to journalJournal articleCommunication

2017
37 Downloads (Pure)

Booster Heat Pump with Zeotropic Mixtures

Zühlsdorf, B., Meesenburg, W., Ommen, T. S., Thorsen, J. E., Markussen, W. B. & Elmegaard, B., 2017

Research output: Non-textual formSound/Visual production (digital)Research

Open Access
File
40 Downloads (Pure)
Open Access
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97 Downloads (Pure)

Design of serially connected district heating heat pumps utilising a geothermal heat source

Jensen, J. K., Ommen, T. S., Markussen, W. B. & Elmegaard, B., 2017, In : Energy. 137, p. 865-877

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
563 Downloads (Pure)

Development, modelling and evaluation of a small-scale gas liquefaction plant

Nguyen, T-V., Rothuizen, E. D., Markussen, W. B. & Elmegaard, B., 2017, Proceedings of ECOS 2017: 30th International Conference on Efficiency, Cost, Optimization, Simulation and Environmental Impact of Energy Systems. 12 p.

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Open Access
File
188 Downloads (Pure)

Heat Pumps for Efficient and Flexible Heat Supply in Copenhagen

Elmegaard, B., Bühler, F., Jensen, J. K., Jørgensen, P. H., Mancini, R., Markussen, W. B., Meesenburg, W., Ommen, T. S., Pieper, H., Rothuizen, E. D. & Zühlsdorf, B., 2017, Book of Abstracts, Sustain 2017. Technical University of Denmark, 1 p. S-5

Research output: Chapter in Book/Report/Conference proceedingConference abstract in proceedingsResearchpeer-review

Open Access
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Modelling of Split Condenser Heat Pump: Optimization and Exergy Analysis

Christensen, S. W., Elmegaard, B., Markussen, W. B. & Madsen, C., 2017, Proceedings of the 7th conference on Ammonia and CO2 Refrigeration Technologies. International Institute of Refrigeration, 8 p.

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

156 Downloads (Pure)

Modelling of Split Condenser Heat Pump with Limited Set of Plate Heat Exchanger Dimensions

Christensen, S. W., Elmegaard, B., Markussen, W. B. & Madsen, C., 2017, Proceedings of ECOS 2017: 30th International Conference on Efficiency, Cost, Optimization, Simulation and Environmental Impact of Energy Systems. 11 p.

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Open Access
File
366 Downloads (Pure)

Optimal usage of low temperature heat sources to supply district heating by heat pumps

Pieper, H., Ommen, T. S., Markussen, W. B. & Elmegaard, B., 2017, Proceedings of ECOS 2017: 30th International Conference on Efficiency, Cost, Optimization, Simulation and Environmental Impact of Energy Systems. 16 p.

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Open Access
File
25 Downloads (Pure)

Performance analysis of heat pumps utilizing different low temperature heat sources to supply district heating

Pieper, H., Ommen, T. S., Markussen, W. B. & Elmegaard, B., 2017

Research output: Non-textual formSound/Visual production (digital)Researchpeer-review

Open Access
File
69 Downloads (Pure)

Performance of ultra low temperature district heating systems with utility plant and booster heat pumps

Ommen, T. S., Thorsen, J. E., Markussen, W. B. & Elmegaard, B., 2017, In : Energy. 137, p. 544-555

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
44 Downloads (Pure)

Thermodynamic comparison of three small-scale gas liquefaction systems

Nguyen, T-V., Rothuizen, E. D., Markussen, W. B. & Elmegaard, B., 2017, In : Applied Thermal Engineering. 128, p. 712-724

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
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2016
166 Downloads (Pure)

Design of serially connected ammonia-water hybrid absorption-compression heat pumps for district heating with the utilisation of a geothermal heat source

Jensen, J. K., Ommen, T. S., Markussen, W. B. & Elmegaard, B., 2016, Proceedings of ECOS 2016: 29th International Conference on Efficiency, Cost, Optimization, Simulation and Environmental Impact of Energy Systems. 19 p.

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Open Access
File
437 Downloads (Pure)

Lowering district heating temperatures – Impact to system performance in current and future Danish energy scenarios

Ommen, T., Markussen, W. B. & Elmegaard, B., 2016, In : Energy. 94, p. 273-291

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
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2015
93 Downloads (Pure)

Applicability of a desiccant dew-point cooling system independent of external water sources

Bellemo, L., Elmegaard, B., Kærn, M. R., Reinholdt, L. & Markussen, W. B., 2015, Proceedings of the 6th International Conference on Solar Air-Conditioning. 6 p.

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Open Access
File
338 Downloads (Pure)

Conventional and advanced exergoenvironmental analysis of an ammonia-water hybridabsorption-compression heat pump

Jensen, J. K., Markussen, W. B., Reinholdt, L. & Elmegaard, B., 2015, Proceedings of ECOS 2015: 28th International Conference on Efficiency, Cost, Optimization, Simulation and Environmental Impact of Energy Systems. 12 p.

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Open Access
File
305 Downloads (Pure)

Desiccant Dewpoint Cooling System Independent of External Water Sources

Bellemo, L., Elmegaard, B., Markussen, W. B., Kærn, M. R. & Reinholdt, L. O., 2015, Proceedings of the 24th IIR International Congress of Refrigeration. International Institute of Refrigeration, 8 p.

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Open Access
File
614 Downloads (Pure)

Effect of Liquid/Vapour Maldistribution on the Performance of Plate Heat Exchanger Evaporators

Jensen, J. K., Kærn, M. R., Ommen, T. S., Markussen, W. B., Reinholdt, L. & Elmegaard, B., 2015, Proceedings of the 24th IIR International Congress of Refrigeration. International Institute of Refrigeration, 8 p.

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Open Access
File
178 Downloads (Pure)

Enhanced technical and economic working domains of industrial heat pumps operated in series

Ommen, T., Jensen, J. K., Markussen, W. B. & Elmegaard, B., 2015, Proceedings of the 24th IIR International Congress of Refrigeration. International Institute of Refrigeration, 4 p. ID:295

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Open Access
File
288 Downloads (Pure)
Open Access
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371 Downloads (Pure)

Formulation and validation of a two-dimensional steady-state model of desiccant wheels

Bellemo, L., Elmegaard, B., Kærn, M. R., Markussen, W. B. & Reinholdt, L. O., 2015, In : Science and Technology for the Built Environment. 21, 3, p. 300-311

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
757 Downloads (Pure)

High efficient heat pump system using storage tanks to increase COP by means of the ISEC concept - Part 1: Model validation

Rothuizen, E., Elmegaard, B., Markussen, W. B., Madsen, C., Olesen, M. F. & Sølvsten, M. Ø., 2015, Proceedings of the 24th IIR International Congress of Refrigeration. International Institute of Refrigeration, 8 p.

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Open Access
File
616 Downloads (Pure)

Modelling of Ammonia Heat Pump Desuperheaters

Christensen, S. W., Elmegaard, B., Markussen, W. B., Rothuizen, E. D. & Madsen, C., 2015, Proceedings of the 24th International Congress of Refrigeration. 8 p.

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Open Access
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