Zobrazeno 1 - 10
of 21
pro vyhledávání: '"N. Kimiaie"'
Autor:
J. Barry, S. Meilinger, K. Pfeilsticker, A. Herman-Czezuch, N. Kimiaie, C. Schirrmeister, R. Yousif, T. Buchmann, J. Grabenstein, H. Deneke, J. Witthuhn, C. Emde, F. Gödde, B. Mayer, L. Scheck, M. Schroedter-Homscheidt, P. Hofbauer, M. Struck
Publikováno v:
Atmospheric Measurement Techniques, Vol 16, Pp 4975-5007 (2023)
Solar photovoltaic power output is modulated by atmospheric aerosols and clouds and thus contains valuable information on the optical properties of the atmosphere. As a ground-based data source with high spatiotemporal resolution it has great potenti
Externí odkaz:
https://doaj.org/article/5502dbdc19744c4cbd21abddea6ddbec
Autor:
J. Barry, D. Böttcher, K. Pfeilsticker, A. Herman-Czezuch, N. Kimiaie, S. Meilinger, C. Schirrmeister, H. Deneke, J. Witthuhn, F. Gödde
Publikováno v:
Advances in Science and Research, Vol 17, Pp 165-173 (2020)
The temperature of photovoltaic modules is modelled as a dynamic function of ambient temperature, shortwave and longwave irradiance and wind speed, in order to allow for a more accurate characterisation of their efficiency. A simple dynamic thermal m
Externí odkaz:
https://doaj.org/article/5828c8ee96d6448dbc4fda265cd57081
Akademický článek
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Publikováno v:
International Journal of Hydrogen Energy. 39:21739-21745
This paper compares different backup power systems for uninterruptible emergency power supply (UPS) in the kW-power range. The cost structure of direct methanol fuel cell systems (DMFCs) is deduced from a DMFC system developed for the replacement of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8fe91fb827320d888212ecbd1d22a066
https://doi.org/10.1016/j.ijhydene.2014.08.132
https://doi.org/10.1016/j.ijhydene.2014.08.132
Autor:
Detlef Stolten, R. Lambertz, N. Kimiaie, Martin Müller, K. Wedlich, Michael Hehemann, Carsten Korte
Publikováno v:
Energy Environ. Sci.. 7:3013-3025
With a proven life of 20 000 operation hours in a lifetime test with a realistic dynamic load profile, the direct methanol fuel cell (DMFC) system V3.3-2 represents a milestone for the commercialization of DMFC systems. The hybrid DMFC system V3.3-2
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6dd2f6f9cf83613719a199a837a4fad4
https://doi.org/10.1039/c4ee00749b
https://doi.org/10.1039/c4ee00749b
Publikováno v:
Fuel Cells. 14:64-75
IEK-3 at Forschungszentrum Julich successfully replaced the battery tray of a horizontal order picker (ECE 220, Jungheinrich) with a direct methanol fuel cell (DMFC) hybrid system in the kilowatt class. The DMFC combined with a lithium-ion battery fo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::304f7be6e34c7f3dace1b6b1d61c12ea
https://doi.org/10.1002/fuce.201300047
https://doi.org/10.1002/fuce.201300047
Publikováno v:
Journal of Power Sources. 154:184-191
In this paper, a new, simple method for measuring the current density distribution in fuel cells with meander flow fields is described. This method has been used to investigate the reactant activity along the meander channel. The corresponding experi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e9d6c92921b6a486c632afff6ed9e7a8
https://doi.org/10.1016/j.jpowsour.2005.03.219
https://doi.org/10.1016/j.jpowsour.2005.03.219
Publikováno v:
Journal of Fuel Cell Science and Technology. 3:351-357
A new in situ measurement method of mapping the current density distribution in polymer electrolyte fuel cells (PEFC) is used to analyze the performance of a fuel cell under different operating conditions. The present method is useful in investigatin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::038764604d6226114cbb9725373d348f
https://doi.org/10.1115/1.2173664
https://doi.org/10.1115/1.2173664
Publikováno v:
Journal of Power Sources. 124:371-384
The flow distribution in fuel cells has an important influence on both the power density and efficiency of fuel cell systems. In order to effectively utilize the area, flow distribution should be as homogeneous as possible. In addition, pressure loss
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bfc2b105cd5dcccd4210bdc74ab372d1
https://doi.org/10.1016/s0378-7753(03)00800-0
https://doi.org/10.1016/s0378-7753(03)00800-0
Publikováno v:
Advances in Science and Technology.
Direct Methanol Fuel Cells (DMFC) are an attractive power source for applications in the low kW-range like pallet trucks or uninterruptable power supplies. A significant problem during the past years, however, was the limited durability of DMFC syste
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ea8b0b3ba8045ca83d28aef92e8ea3d2
https://doi.org/10.4028/www.scientific.net/ast.93.56
https://doi.org/10.4028/www.scientific.net/ast.93.56