Zobrazeno 1 - 10 of 121 pro vyhledávání: '"Martin Helm"'
1
Flexible heat pump or chiller with hybrid water/LiBr absorption/compression cycle
Autor: Christian Schweigler, Thomas Eckert, Martin Helm
Publikováno v: International Journal of Refrigeration. 105:178-187
The concept and general considerations for the design of a hybrid absorption/compression cycle are presented. An electrically driven high-speed turbo compressor which is directly integrated in a single-stage water/LiBr absorption heat pump cycle prov
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e1ca33f02bb61d526254c75803ee80bf
https://doi.org/10.1016/j.ijrefrig.2018.03.003
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2
Comparison of solar assisted heat pump solutions for office building applications in Northern climate
Autor: Riku Pasonen, Martin Helm, Francesco Reda, Florian Menhart, Ari Laitinen, Satu Paiho, Richard Schex
Publikováno v: Reda, F, Paiho, S, Pasonen, R, Helm, M, Menhart, F, Schex, R & Laitinen, A 2020, ' Comparison of solar assisted heat pump solutions for office building applications in Northern climate ', Renewable Energy, vol. 147, pp. 1392-1417 . https://doi.org/10.1016/j.renene.2019.09.044
Solar technologies can contribute to reaching the binding climate target of the Nordic countries. The application of two solar assisted solutions has been assessed for an office building located in Finland. The first one is a solar assisted absorptio
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fb90d1426b4b49ed3b8966379ba791eb
https://cris.vtt.fi/en/publications/c0833d2a-f16d-48b9-bf3b-3c46583eba74
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3
Akademický článek
Chronic immune activation in HIV-1 infection contributes to reduced interferon alpha production via enhanced CD40:CD40 ligand interaction.
Autor: Norbert Donhauser, Kathrin Pritschet, Martin Helm, Thomas Harrer, Philipp Schuster, Moritz Ries, Georg Bischof, Jörg Vollmer, Sigrun Smola, Barbara Schmidt, German Competence Network HIV/AIDS
Publikováno v: PLoS ONE, Vol 7, Iss 3, p e33925 (2012)
Although a signature of increased interferon (IFN-)alpha production is observed in HIV-1 infection, the response of circulating plasmacytoid dendritic cells (PDC) to Toll-like receptor ligand stimulation is substantially impaired. This functional PDC
Externí odkaz: https://doaj.org/article/49732cbd02ec4bd4a94214df587e768b
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5
Quality for Solar Cooling on Component Level
Autor: Manuel Riepl, Roberto Fedrizzi, Marco Calderoni, Matteo D'Antoni, Martin Helm, Patrizia Melograno
Publikováno v: Energy Procedia. 91:736-746
Within IEA-SHC Task 48 “Quality assurance and support measures for Solar Cooling” the most crucial components of solar thermal cooling plants have been analyzed in detail aiming at improving their quality. Test procedures for characterizing conti
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e4812d8c86024d15da78c8f799eaa6d1
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8
Solar Heating and Cooling System with Absorption Chiller and Latent Heat Storage – A Research Project Summary
Autor: Werner Pfeffer, Martin Helm, Kilian Hagel, Stefan Hiebler, Christian Schweigler
Publikováno v: Energy Procedia. 48:837-849
A reliable solar thermal cooling and heating system with high solar fraction and seasonal energy efficiency ratio (SEER) is preferable. By now, bulky sensible buffer tanks are used to improve the solar fraction for heating purposes. During summertime
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4ec76629bd790d1d15d7c4b4a7ccb050
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9
Design of a Centrifugal Turbo Compressor With the Working Fluid Water for the Operation in a Hybrid Sorption/Compression Heat Pump Cycle
Autor: Christian Schweigler, Martin Helm, Thomas Eckert, Leo Dostal
Publikováno v: Volume 2D: Turbomachinery.
In various applications the use of sorption chillers and heat pumps is limited by the available temperature level of the driving heat source or the heat sink for export of reject heat. These constraints can be overcome by integrating an efficient hig
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e61ef4a3f6d9593053c74deec7ca492e
https://doi.org/10.1115/gt2016-58177
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10
Energy assessment of solar cooling thermally driven system configurations for an office building in a Nordic country
Autor: Francesco Reda, Kari Sipilä, Maxime Viot, Martin Helm
Publikováno v: Reda, F, Viot, M, Sipilä, K & Helm, M 2016, ' Energy assessment of solar cooling thermally driven system configurations for an office building in a Nordic country ', Applied Energy, vol. 166, pp. 27-43 . https://doi.org/10.1016/j.apenergy.2015.12.119
Thermal cooling systems are particularly attractive in locations supplied by district heating based on cogeneration heating plants (CHP). Moreover, solar thermal energy is a major renewable source for the provision of thermal energy, fulfilling deman
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1c8df43b7790b3784c50f5d2d993f3b4
https://cris.vtt.fi/en/publications/d9789f48-d43a-4fd8-b2ed-3a5b716e9514
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