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CFD Simulation of Train Fire in the İstanbul Metro Tunnel
Date
2018-07-03
Author
Bilge, Mahir İlter
Aksel, Mehmet Haluk
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https://hdl.handle.net/11511/87560
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CFD simulation of train fire in the İstanbul metro tunnel
Bilge, Mahir İlter; Aksel, Mehmet Haluk; Department of Mechanical Engineering (2018)
Underground metro networks are expanding rapidly in all around the world and during the last few decades, tunnel fire accidents with severe casualties occurred in various countries. The frequency of the tunnel fire incidents will be increasing due to the increased amount of underground transportation routes in the upcoming years. In order to prevent the loss of lives in tunnel fires, accurate design of Tunnel Ventilation Systems is crucial. This research thesis presents the simulation of a mid-train fire sc...
CFD simulation of train fire in the İstanbul metro tunnel
Bilge, Mahir İlter; Aksel, Mehmet Haluk; Department of Mechanical Engineering (2018)
Underground metro networks are expanding rapidly in all around the world and during the last few decades, tunnel fire accidents with severe casualties occurred in various countries. The frequency of the tunnel fire incidents will be increasing due to the increased amount of underground transportation routes in the upcoming years. In order to prevent the loss of lives in tunnel fires, accurate design of Tunnel Ventilation Systems is crucial. This research thesis presents the simulation of a mid-train fire sc...
CFD Analyses of Heat Sinks for CPU Cooling with Fluent
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In this study, forced cooling of heat sinks mounted on CPU’s was investigated. Heat sink effectiveness, effect of turbulence models, effect of radiation heat transfer and different heat sink geometries were numerically analyzed by commercially available computational fluid dynamics softwares Icepak and Fluent. The numerical results were compared with the experimental data and they were in good agreement. Conjugate heat transfer is simulated for all the electronic cards and packages by solving Navier-Stokes ...
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CFD-DEM Simulation of a Conical Spouted Bed Operating with High Density Particles
Golshan, Shahab; Zarghami, Reza; Mostoufi, Navid; KÖKSAL, MURAT; Külah, Görkem (2016-08-04)
The hydrodynamics of a spouted bed operating with high density zirconia particles was studied by CFD-DEM simulations. The model was validated by experimental data. Simulation results were used to obtain radial and axial profiles of the particle velocity, solid hold-up and flux in the bed at two bed heights. The gas jet velocity profile in the spout was also studied. For calculation of the solid circulation time in the bed, axial positions of 50 particles were traced in time. The mean solids circulation time...
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M. İ. Bilge and M. H. Aksel, “CFD Simulation of Train Fire in the İstanbul Metro Tunnel,” 2018, Accessed: 00, 2021. [Online]. Available: https://hdl.handle.net/11511/87560.