TY - JOUR A1 - Kapitz, Marek A1 - aus der Wiesche, Stefan A1 - Kadic, Samir A1 - Strehle, Steffen T1 - An experimental test of the Mocikat-Herwig theory of local turbulent heat transfer measurements on cold objects JF - Heat and Mass Transfer N2 - Experimental results are presented of a test of the theory of local turbulent heat transfer measurements proposed by Mocikat and Herwig in 2007. A miniaturized multi-layer heat transfer sensor was developed and employed in this study. The new heat transfer sensor was designed to work in air and liquids, and this capability enabled the simultaneous investigation of different Prandtl numbers. Two basic configurations, namely the flow past a blunt plate and the flow past an inclined square cylinder, were investigated in test sections of wind and water tunnels. Convective heat transfer coefficients were obtained through conventional testing (i.e., employing thoroughly heated test objects) and using the new miniaturized sensor approach (i.e., utilizing cold test objects without heating). The main prediction of the Mocikat-Herwig theory that a specific thermal adjustment coefficient of the employed actual miniaturized heat transfer sensor should exist in the fully turbulent flow regime was proven for developed two-dimensional flow. The observed effect of the Prandtl number on this coefficient was in good agreement with the prediction of the asymptotic expansion method. The square cylinder results indicated the inherent limits of the local turbulent heat transfer measurement approach, as suggested by Mocikat and Herwig. Y1 - 2021 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:hbz:836-opus-142353 ER - TY - CHAP A1 - Reinker, Felix A1 - Kapitz, Marek A1 - aus der Wiesche, Stefan T1 - Boiling under Hele-Shaw Flow Conditions: The Occurrence of Viscous Fingering T2 - Proceedings of the ASME 2013 International Mechanical Engineering Congress and Exposition (IMECE2013) Y1 - 2013 CY - San Diego, CA ER - TY - JOUR A1 - Reinker, Felix A1 - Kapitz, Marek A1 - aus der Wiesche, Stefan T1 - Boiling under Hele-Shaw Flow Conditions: The Occurrence of Viscous Fingering JF - Journal of Heat Transfer Y1 - 2016 VL - 138 IS - 2 SP - 021501 EP - 8 ER - TY - GEN A1 - Helcig, Christian A1 - Kapitz, Marek A1 - aus der Wiesche, Stefan T1 - Confined Boiling Heat Transfer, Two-Phase Flow Patterns and Jet Impingment in a Hele-Shaw Cell, Skolkovo Institute of Science and Technology, Moscow Y1 - 2015 ER - TY - CHAP A1 - Kapitz, Marek A1 - aus der Wiesche, Stefan T1 - CONFINED BOILING HEAT TRANSFER, TWO-PHASE FLOW PATTERNS, AND JET IMPINGEMENT IN A HELE-SHAW CELL T2 - Proceedings ECI 9th International Conference on Boiling and Condensation Heat Transfer Y1 - 2015 CY - Boulder, CO ER - TY - JOUR A1 - Kapitz, Marek A1 - aus der Wiesche, Stefan T1 - Confined Boiling Heat Transfer, Two-Phase Flow Patterns, and Jet Impingement in a Hele-Shaw Cell JF - Heat Transfer Engineering Y1 - 2017 VL - 38 IS - 3 SP - 290 EP - 302 ER - TY - CHAP A1 - aus der Wiesche, Stefan A1 - Kapitz, Marek T1 - Effects of Pipe Inclination on Void Fraction of Two-Phase Gas Liquid Flow T2 - Proceedings of ASME-JSME-KSME Joint Fluids Engineering Conference Y1 - 2015 CY - Seoul, Korea ER - TY - GEN A1 - Kapitz, Marek A1 - Becker, Adam A1 - aus der Wiesche, Stefan T1 - Einfluss der thermophysikalischen Heizwandeigenschaften beim Behältersieden mittels Diamant- und Siliciumcarbidheizern, Jahrestreffen der Fachgruppe Wärme- und Stoffübertragung, 22. - 23. März 2012, Weimar Y1 - 2012 ER - TY - JOUR A1 - Kapitz, Marek A1 - Teigeler, Christian A1 - Wagner, Robert A1 - Helcig, Christian A1 - aus der Wiesche, Stefan T1 - Experimental study of the influence of the Prandtl number on the convective heat transfer from a square cylinder JF - International Journal of Heat and Mass Transfer Y1 - 2018 U6 - http://dx.doi.org/10.1016/j.ijheatmasstransfer.2017.12.032 VL - 120 ER - TY - JOUR A1 - Reinker, Felix A1 - Kapitz, Marek A1 - aus der Wiesche, Stefan T1 - Fingering during Boiling under Hele-Shaw Flow Conditions JF - Journal of Heat Transfer Y1 - 2014 VL - 136 IS - 8 SP - 080914 EP - 1 ER -