This image shows Rico Poser

Rico Poser

Dr.-Ing.

Research associate - Acad. senior councillor
Institute of Aerospace Thermodynamics

Contact

+49 711 685 62018
 +49 711 685 62317

Pfaffenwaldring 31
70569 Stuttgart
Germany
Room: 1-131

Subject

Schwerpunkte / Interessen:

- experimentelle Wärmeübertragung 
- optische Messmethoden 
- künstliche neuronale Netze 

Projekte:

- Wärmeübergangsmessungen unter Rotation (RotRig)
- TurboReflex "Hot Gas Path Technology - Advanced cooling schemes" 
- SFB1313 Teilprojekt A06 (Principal Investigator): Self-pumping transpiration cooling
- SimTech PN1-3 (Project Leader, Participating Researcher): Impact of Porous-Media Topology on Turbulent Fluid Flow: Highly Resolved Space and Time Interactions
- SimTech Multiphase Flow Lab
FiFoX AP3 (Project Leader): Development and integration of a skin-heat-exchanger concept in fiber composite sandwich design into thermal management for electrified propulsion systems.
- SFB1667 ATLAS Teilprojekt B04 (Project Leader): Drag Mitigation and Attitude Control through Thermal Radiation

  1. Forster, M., Seibold, F., Krille, T., Waidmann, C., Weigand, B., & Poser, R. (2022). A Monte Carlo approach to evaluate the local measurement uncertainty in transient heat transfer experiments using liquid crystal thermography. Measurement, 190, 110648. https://doi.org/10.1016/j.measurement.2021.110648
  2. Krille, T., Poser, R., von Wolfersdorf, J., & Henze, M. (2022). An experimental approach to determine local heat transfer characteristics in additively manufactured cooling configurations. International Journal of Heat and Mass Transfer, 185, 122432. https://doi.org/10.1016/j.ijheatmasstransfer.2021.122432
  3. Krille, T., Retzko, S., Poser, R., & von Wolfersdorf, J. (2021). Heat Transfer Measurements Using Multiple Thermochromic Liquid Crystals in Symmetric Cooling Channels. Journal of Turbomachinery, 143, 1–22. https://doi.org/10.1115/1.4050436
  4. Brack, S., Poser, R., & von Wolfersdorf, J. (2021). Experimental investigation of unsteady convective heat transfer under airflow velocity and temperature variation. Measurement Science and Technology, 33. https://doi.org/10.1088/1361-6501/ac31c9
  5. Krille, T., Retzko, S., Poser, R., & von Wolfersdorf, J. (2020, September). Heat Transfer Measurements Using Multiple Thermochromic Liquid Crystals in Symmetric Cooling Channels. https://doi.org/10.1115/GT2020-16271
  6. Seibold, F., Schwab, A., Dubois, V., Poser, R., Weigand, B., & von Wolfersdorf, J. (2020, September). CONDUCTION AND INERTIA CORRECTION FOR TRANSIENT THERMOCOUPLE MEASUREMENTS. PART I: ANALYTICAL AND NUMERICAL MODELLING.
  7. Chen, L., Brakmann, R., Weigand, B., Poser, R., & Yang, Q. (2020). Detailed investigation of staggered jet impingement array cooling performance with cubic micro pin fin roughened target plate. Applied Thermal Engineering, 171, 115095. https://doi.org/10.1016/j.applthermaleng.2020.115095
  8. Brakmann, R., Chen, L., Poser, R., Rodriguez, J., Crawford, M., & Weigand, B. (2019). Heat transfer investigation of an array of jets impinging on a target plate with detached ribs. International Journal of Heat and Fluid Flow, 78, 108420. https://doi.org/10.1016/j.ijheatfluidflow.2019.05.009
  9. Steurer, A., Poser, R., von Wolfersdorf, J., & Retzko, S. (2019). Application of the Transient Heat Transfer Measurement Technique Using Thermochromic Liquid Crystals in a Network Configuration With Intersecting Circular Passages. Journal of Turbomachinery, 141(5), Article 5. https://doi.org/10.1115/1.4041807
  10. Forster, M., Poser, R., Rodriguez, J., Starke, A., & Weigand, B. (2019, November). Experimental heat transfer study of jets impinging on a curved surface.
  11. Chen, L., Brakmann, R., Weigand, B., Crawford, M., & Poser, R. (2019). Detailed heat transfer investigation of an impingement jet array with large jet-to-jet distance. International Journal of Thermal Sciences, 146, 106058. https://doi.org/10.1016/j.ijthermalsci.2019.106058
  12. Brack, S., Poser, R., & von Wolfersdorf, J. (2018). Unsteady conjugate heat transfer experiments in the presence of lateral conduction. XXIV Biennial Symposium on Measuring Techniques in Turbomachinery. http://www.meastechturbo.com/index.php/paper-archives/2418-prague-2018/item/download/460_e4b17604cc56b28fbed43e53b84f2d6c
  13. Förster, F. J., Brack, S., Poser, R., von Wolfersdorf, J., & Weigand, B. (2018). A novel surface-integrated spray-on thermocouple for heat transfer measurements. Experimental Thermal and Fluid Science, 93, 356--365. https://doi.org/10.1016/j.expthermflusci.2018.01.017
  14. Waidmann, C., Poser, R., Göhring, M., & von Wolfersdorf, J. (2018). First operation of a rotating test rig for transient thermochromic liquid crystal heat transfer experiments. XXIV Biennial Symposium on Measuring Techniques in Turbomachinery. http://www.meastechturbo.com/index.php/paper-archives/2418-prague-2018/item/download/447_95219c958cce1522347aee1175289a4b
  15. Brack, S., Poser, R., & von Wolfersdorf, J. (2017). A comparison between transient heat transfer measurements using TLC and IR thermography. 9th World Conference on Experimental Heat Transfer, Fluid Mechanics and Thermodynamics. https://doi.org/10.18419/opus-9723
  16. Chen, L., Brakmann, R. G. A., Weigand, B., Rodriguez, J., Crawford, M., & Poser, R. (2017). Experimental and numerical heat transfer investigation of an impingement jet array with V-ribs on the target plate and on the impingement plate. International Journal of Heat and Fluid Flow, 68, 126--138. https://doi.org/10.1016/j.ijheatfluidflow.2017.09.005
  17. Brack, S., Poser, R., & von Wolfersdorf, J. (2016). An Approach to Consider Lateral Heat Conduction Effects in the Evaluation Process of Transient Heat Transfer Measurements Using TLC. 107, 289--302. https://doi.org/10.1016/j.ijthermalsci.2016.03.028
  18. Axtmann, M., Poser, R., von Wolfersdorf, J., & Bouchez, M. (2016). Endwall heat transfer and pressure loss measurements in staggered arrays of adiabatic pin fins. Applied Thermal Engineering, 103, 1048--1056. https://doi.org/10.1016/j.applthermaleng.2016.04.066
  19. Brack, S., Poser, R., & von Wolfersdorf, J. (2016). A comparison between transient heat transfer measurements using TLC and IR thermography. XXIII Biennial Symposium on Measuring Techniques in Turbomachinery. https://doi.org/10.18419/opus-9702
  20. Waidmann, C., Poser, R., Nieland, S., & von Wolfersdorf, J. (2016). Design of a Rotating Test Rig for Transient Thermochromic Liquid Crystal Heat Transfer Experiments. 16th International Symposium on Transport Phenomena and Dynamics of Rotating Machinery. https://hal.archives-ouvertes.fr/hal-01884257
  21. Brack, S., Förster, F., & Poser, R. (2015). Temperaturmesseinrichtung und Verfahren zu deren Herstellung (Patent 10 2015 115 956.2).
  22. Vassiliev, V., Kissel, H., & Poser, R. (2014). Method for determining a thermal history of a component (Patent 14194881.0-1555).
  23. Waidmann, C., Poser, R., & von Wolfersdorf, J. (2013). Application of Thermochromic Liquid Crystal Mixtures for Transient Heat Transfer Measurements. 10th European Conference on Turbomachinery Fluid Dynamics and Thermodynamics. https://www.euroturbo.eu/paper/ETC2013-017.pdf
  24. Waidmann, C., Poser, R., von Wolfersdorf, J., Fois, M., & Semmler, K. (2013). Investigations of Heat Transfer and Pressure Loss in an Engine-similar Two-pass Internal Blade Cooling Configuration. 10th European Conference on Turbomachinery Fluid Dynamics and Thermodynamics. https://www.euroturbo.eu/paper/ETC2013-168.pdf
  25. Ben Ahmed, F., Poser, R., Schumann, Y., von Wolfersdorf, J., Weigand, B., & Meier, K. (2012). A Numerical and Experimental Investigation of an Impingement Cooling System for an Active Clearance Control System of a Low Pressure Turbine. 14th International Symposium on Transport Phenomena and Dynamics of Rotating Machinery.
  26. Poser, R., & von Wolfersdorf, J. (2011). Liquid Crystal Thermography for Transient Heat Transfer Measurements in Complex Internal Cooling Systems (2). 42(2), Article 2. https://doi.org/10.1615/HeatTransRes.v42.i2.60
  27. von Wolfersdorf, J., & Poser, R. (2011). Gas Turbine Internal Blade Cooling - Experimental Investigations using Thermochromic Liquid Crystals. The 1st International Congress on Thermodynamics.
  28. Poser, R. (2011). Consistent Characterization and Measurement of Metameric Color Coatings. Institute of Aerospace Thermodynamics, Universität Stuttgart.
  29. Waidmann, C., Poser, R., von Wolfersdorf, J., Ben Ahmed, F., & Weigand, B. (2011). Investigation of thermochromic liquid crystal mixtures for heat transfer measurements. The 1st International Congress on Thermodynamics.
  30. Poser, R. (2010). Transient Heat Transfer Experiments in Complex Geometries Using Liquid Crystal Thermography. Verlag Dr. Hut.
  31. Poser, R., & von Wolfersdorf, J. (2010). Transient liquid crystal thermography in complex internal cooling systems. In F. Coletti & T. Arts (Eds.), Internal cooling in turbomachinery (2010–05; Issues 2010–05). The van Karman Institute for Fluid Dynamics.
  32. Poser, R., & von Wolfersdorf, J. (2009). Liquid Crystal Thermography for Transient Heat Transfer Measurements in Complex Internal Cooling Systems. Proceedings of Int. Symp. on Heat Transfer in Gas Turbine Systems. https://doi.org/10.1615/ICHMT.2009.HeatTransfGasTurbSyst.510
  33. Poser, R., Ferguson, J. R., & von Wolfersdorf, J. (2009). Temporal Signal Preprocessing and Evaluation of Thermochromic Liquid Crystal Indications in Transient Heat Transfer Experiments. In F. Heitmeir, F. Martelli, & M. Manna (Eds.), 8th European Conference on Turbomachinery Fluid Dynamics and Thermodynamics (pp. 785--795).
  34. Poser, R., von Wolfersdorf, J., Lutum, E., & Semmler, K. (2008, June). Performing Heat Transfer Experiments in Blade Cooling Circuits Using a Transient Technique with Thermochromic Liquid Crystals. Proceedings of ASME Turbo Expo 2008. https://doi.org/10.1115/GT2008-50364
  35. Amro, M., Weigand, B., Poser, R., & Schnieder, M. (2007). An experimental investigation of the heat transfer in a ribbed triangular cooling channel. International Journal of Thermal Sciences, 46(5), Article 5. https://doi.org/10.1016/j.ijthermalsci.2006.07.004
  36. Poser, R., von Wolfersdorf, J., & Lutum, E. (2007, March). Advanced Evaluation of Transient Heat Transfer Experiments Using Thermochromic Liquid Crystals. Proceedings of European Turbomachinery Conference 2007.
  37. Poser, R., von Wolfersdorf, J., & Semmler, K. (2005). Transient Heat Transfer Experiments in Complex Passages. Proceedings of ASME Summer Heat Transfer Conference 2005. https://doi.org/10.1115/HT2005-72260

- Wärmeübertragung (B.Sc.) 
- Messverfahren des Wärmetransports (M.Sc.) 
- Hochtemperatur-Messtechnik (M.Sc.)
- Versuchstechnik in der Luft- und Raumfahrt (B.Sc. & M.Sc. / Beitrag ITLR innerhalb des Projektseminars)
- Messtechnik in der Luft- und Raumfahrt (M.Sc./ Beitrag "Messverfahren für Wärmeübertragungsvorgänge" innerhalb der Ringvorlesung)

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