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Raman Measurements of Cryogenic Injection at Supercritical Pressure

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Abstract

Understanding the complex environment of rocket chambers involves a good knowledge of injection phenomena and gives the designer the ability to employ time and cost saving modeling tools to design a higher performance engine. This project looked at injection processes in the supercritical regime using cryogenic nitrogen. Experimental data taken by 2-D Raman imaging allowed the comparison of density and divergence angels with computational models. These parameters provide much information about the jet development and mixing with the surrounding gas. The process used to derive divergence angles from Raman images proves difficult to compare directly with other techniques.

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Acknowledgements

This work is supported by the Federal Ministry of Education and Research (BMBF) under contract number 50TT9627 (Project TEKAN). The project was accomplished in the frame of the SPP, ’Atomization and Spray Processes’ under the guidance of DFG (Deutsche Forschungsgemeinschaft).

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Authors and Affiliations

  1. Lampoldshausen, D-74239 Hardthausen, Germany, Germany

    W. Mayer, J. Telaar, R. Branam & G. Schneider

  2. D-70569 Stuttgart, Germany, Germany

    J. Hussong

  3. Guest scientist from the U.S.A., USA

    R. Branam

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  1. W. Mayer
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  2. J. Telaar
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  3. R. Branam
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  4. G. Schneider
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  5. J. Hussong
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Correspondence to W. Mayer.

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Mayer, W., Telaar, J., Branam, R. et al. Raman Measurements of Cryogenic Injection at Supercritical Pressure. Heat and Mass Transfer 39, 709–719 (2003). https://doi.org/10.1007/s00231-002-0315-x

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  • DOI: https://doi.org/10.1007/s00231-002-0315-x

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