• Nils Koppels Allé, 403, 024

    2800 Kgs. Lyngby

    Denmark

20112020

Research output per year

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Research Output

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Article in proceedings
2019

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
82 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
103 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
File
66 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
File
83 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
63 Downloads (Pure)
2018

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
File
322 Downloads (Pure)

Heat pump COP, part 1: Generalized method for screening of system integration potentials

Reinholdt, L., Kristófersson, J., Zühlsdorf, B., Elmegaard, B., Jensen, J., Ommen, T. & Jørgensen, P. H., 2018, Proceedings of the13th IIR-Gustav Lorentzen Conference on Natural Refrigerants . International Institute of Refrigeration, Vol. 2. p. 1097-1104

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

Open Access
File
1106 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
374 Downloads (Pure)

Integration of Heat Pump in Combined Heat and Power Plant – Comparison of Vapor Compression and Absorption Technology

Elmegaard, B., Ommen, T., Kaniadakis, G. & Villegas Martínez, M., 2018, Proceedings of the13th IIR-Gustav Lorentzen Conference on Natural Refrigerants . International Institute of Refrigeration, p. 1432-1441

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

Open Access
File
145 Downloads (Pure)
2017

Identification of Excess Heat Utilisation Potential using GIS: Analysis of Case Studies for Denmark

Bühler, F., Petrovic, S., Ommen, T. S., Holm, F. M. & 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
334 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
413 Downloads (Pure)

Thermoeconomic diagnosis and entropy generation paradox

Sigthorsson, O., Ommen, T. S. & Elmegaard, B., 2017, Proceedings of ECOS 2017: 30th 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
208 Downloads (Pure)
2016

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
191 Downloads (Pure)

Experimental results for hydrocarbon refrigerant vaporization inside brazed plate heat exchangers at high pressure

Desideri, A., Ommen, T. S., Wronski, J., Quoilin, S., Lemort, V. & Haglind, F., 2016, Proceedings of the 16th International Refrigeration and Air Conditioning Conference. p. 2085-2093 2106

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

Open Access
File
80 Downloads (Pure)
2015

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
672 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
209 Downloads (Pure)
2014

Integration of Space Heating and Hot Water Supply in Low Temperature District Heating

Elmegaard, B., Ommen, T. S., Markussen, M. & Iversen, J., 2014, Proceedings of ECOS 2014, 27st International Conference on Efficiency, Cost, Optimization, Simulation and Environmental Impact of Energy Systems. Åbo Akademi University, 17 p.

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

File
475 Downloads (Pure)

Technical and Economic Working Domains of Industrial Heat Pumps: Part 1 - Vapour Compression Heat Pumps

Ommen, T. S., Jensen, J. K., Markussen, W. B., Reinholdt, L. & Elmegaard, B., 2014, Proceedings of 11th IIR Gustav Lorentzen Conference on Natural Refrigerants. Chinese Association of Refrigeration, 8 p.

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

File
374 Downloads (Pure)

Technical and Economic Working Domains of Industrial Heat Pumps: Part 2 - Ammonia-Water Hybrid Absorption-Compression Heat Pumps

Jensen, J. K., Ommen, T. S., Markussen, W. B., Reinholdt, L. & Elmegaard, B., 2014, Proceedings of 11th IIR Gustav Lorentzen Conference on Natural Refrigerants. Chinese Association of Refrigeration, 8 p.

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

File
430 Downloads (Pure)
2013

Comparison of operation optimization methods in energy system modelling

Ommen, T. S., Markussen, W. B. & Elmegaard, B., 2013, Proceedings of ECOS 2013 - The 26th International Conference on Efficiency, Cost, Optimization, Simulation and Environmental Impact of Energy Systems. Chinese Society of Engineering Thermophysics, 14 p.

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

Thermoeconomic Diagnosis of an Energy System for Ship Propulsion

Sigthorsson, O., Elmegaard, B. & Ommen, T. S., 2013, Proceedings of ECOS 2013 - The 26th International Conference on Efficiency, Cost, Optimization, Simulation and Environmental Impact of Energy Systems. Chinese Society of Engineering Thermophysics, 13 p.

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

2012

Exergetic evaluation of heat pump booster configurations in a low temperature district heating network

Ommen, T. S. & Elmegaard, B., 2012, Proceedings of ECOS 2012. Desideri, U., Manfrida, G. & Sciubba, E. (eds.). Firenze University Press, 14 p.

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

Open Access
File
375 Downloads (Pure)

Low Temperature District Heating Consumer Unit with Micro Heat Pump for Domestic Hot Water Preparation

Zvingilaite, E., Ommen, T. S., Elmegaard, B. & Franck, M. L., 2012, Proceedings of the 13th International Symposium on District Heating and Cooling. District Energy Development Center, p. 136-143 8 p.

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

File
872 Downloads (Pure)
2011

Thermoeconomic comparison of industrial heat pumps

Ommen, T. S., Markussen, C. M., Reinholdt, L. & Elmegaard, B., 2011, ICR 2011.

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

Thermoeconomic model of a commercial transcritical booster refrigeration system

Ommen, T. S. & Elmegaard, B., 2011, Proceedings of ECOS 2011. p. 1632-1644

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