University-Jobs in Großbritannien

Department of Engineering Science, The Oxford Thermofluids Institute, Southwell Building, Oxford, OX2 0ES

About the role Non-equilibrium expanding flows are generated when shocked gas crosses expansion waves, e.g. at the rear of hypersonic vehicles or in ground-based facilities. The effect of the expansion is to reduce the frequency of collisions, so that chemical and thermal relaxation processes are slowed down. There are indications that commonly accepted rate constants for non-equilibrium atmospheric plasmas are inaccurate and do not produce the correct compositions and energy distributions of expanding flows. The proposed research aims to make a step change in domestic and international knowledge and tools for non-equilibrium flows for hypersonic vehicles. The research will provide unique and high-quality experimental data for expanding high temperature flows. Alongside this, the proposal will develop novel tools which will allow efficient flow modelling tools for other researchers to explore higher fidelity thermochemistry modelling.

• Develop original numerical methods for facility simulation in presence of expansion waves
• Demonstrate improved estimates of rate constants for two-temperature models
• Contribute to the supervision of graduate students working on the project
• Contribute to the preparation of academic publications
• Contribute to code development efforts in the group at large

The applicant should hold or be near the completion of doctoral studies into hypersonic flows or numerical methods or hold equivalent professional experience. The ideal applicant should have a clear track record in the development of numerical models for hypersonic flows and a clear track record in the interpretation of experimental data from ground based hypersonic facilities and their modelling implications. The applicant should be well versed in structured programming, in the maintenance of numerical codes and in the training of new users, such as graduate students. A proven track record of collaborative publications and engagement with a diverse research group is highly desirable.

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