3 hittade annonser
Components in modern gas turbines may experience temperatures up to 2000K at rotational velocities around 2000km/h. Since no suitable materials can withstand such loads, much effort is put into the development of efficient cooling methods and these may be the difference between engine failure and success. The introduction of additive manufacturing has given cooling design new possibilities. Recently used methods in experimental heat transfer take advantage of low conductivity materials but in order to capture the effect of the surface roughness, introduced by additive manufacturing, it is necessary to use the actual material in the tests. This call for new experimental methods and this thesis will be a part of that work.
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Siemens Industrial Turbomachinery in Finspång is now seeking an M.Sc. student for a 6 months M.Sc. thesis in the additive manufacturing group
The scope of the present M.Sc. thesis is to develop new SST k-w turbulence model that is capable of predicting the pressure losses in additively manufactured surfaces more accurately. The development of the new turbulence model will be based on the measurements that are carried out in the Siemens fluid dynamic laboratory.
A good knowledge of CFD, turbulence modelling, fluid mechanics, programming and Matlab is essential to be able to carry out this study successfully. The numerical simulations will be performed by an in-house code developed by Prof. Lars Davidson at Chalmers University.