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Computational Thermal Sciences: An International Journal
ESCI SJR: 0.249 SNIP: 0.434 CiteScore™: 0.7

ISSN Druckformat: 1940-2503
ISSN Online: 1940-2554

Computational Thermal Sciences: An International Journal

DOI: 10.1615/ComputThermalScien.2013006358
pages 215-226

WATER DROPLET EVAPORATION AT HIGH GAS PRESSURE AND TEMPERATURE LEVELS − COMPARISON OF EXPERIMENTAL RESULTS WITH A ONE-DIMENSIONAL SIMULATION

Botond Barabas
Department of Mechanical Engineering, University of Duisburg-Essen
A. Kefalas
Department of Mechanical Engineering, University of Duisburg-Essen
J. P. Schnitzler
Department of Mechanical Engineering, University of Duisburg-Essen
A. Rossetti
Department of Mechanical Engineering, University of Duisburg-Essen
F.-K. Benra
Department of Mechanical Engineering, University of Duisburg-Essen
H. J. Dohmen
Department of Mechanical Engineering, University of Duisburg-Essen

ABSTRAKT

Water injection into gas turbines has been the subject of investigations for decades, due to a high power and efficiency augmentation potential compared to the simple gas turbine cycle. Based on former research at ambient injection conditions, some technologies have already been realized, e.g., inlet fogging. Further applications of water injection at higher temperature and pressure levels are limited because of few experimental data. In order to gain fundamental understanding of these boundary conditions, a novel test facility for droplet evaporation investigations has been built up at the Department of Mechanical Engineering at University of Duisburg-Essen. The resulting spray patterns are recorded by a laser-based measuring technology, phase Doppler particle analyzer. In this paper, experimental results from the test facility are compared to simulation results of a one-dimensional model for droplet evaporation. The focus of this investigation is on the accordance of the simulation results with the experimental data at high pressure and temperature levels.


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