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Increasing heat and/or mass transfer rates in impinging jets

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Abstract

First part of a survey drawing together findings of authors’ research over a period of two decades on enhancing performance of impinging jets. The limiting factor is stagnant near-wall layer across which the transfer takes place by conduction. Results of research aimed at removing this limitation have been partly published but mostly in literature inaccessible to international readers. Flow visualizations played an important role in identifying the problem areas, leading to a number of novel implementation concepts to be described in the second part.

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Authors and Affiliations

  1. Process Fluidics Group, Department of Chemical and Process Engineering, The University of Sheffield, Mappin Str., S1 3JD, Sheffield, UK

    Tesař V

  2. Institute of Thermomechanics, Academy of Sciences of the Czech Republic, Dolejškova 5, 182 00, Prague 8, Czech Republic

    Z Trávníček

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  1. Tesař V
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  2. Z Trávníček
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Václav Tesar: He graduated in 1963 from ČVUT—Czech Technical University, Prague, Czech Republic. Received Ph. D from ČVUT in 1972. In 1985 Visiting Professor at Keio University, Yokohama, Japan, in 1992 Visiting Professor at Northern Illinois University, DeKalb, USA. From 1994 to 1998 Head of the Department of Fluid Mechanics and Thermodynamics, Faculty of Mechanical Engineering at ČVUT. Since 1999 at the Dept. of Chemical and Process Engineering, the Univ. of Sheffield, U. K. His research covers turbulence, jets and wall-jets and their application in fluidic no-moving-part flow control (named as the inventor on 195 Patents on fluidic devices). Author of 4 textbooks and over 270 papers.

Zdeněk Trávníček: He graduated in Mechanical Engineering from ČVUT Prague, Czech Republic. 1985 to 1995 employed at National Research Institute for Machine Design (SVÚSS) in Prague- Běchovice. Received Ph. D. from ČVUT in 1994gue. Since 1996, works at the Institute of Thermomechanics, Academy of Sciences of the Czech Republic. Stays at Inst. of Eng. Thermophysics, Kiev, Ukraine; 1990, National Taiwan University, Taipei, Taiwan (1998, and 2002), and at Heat Transfer Laboratory, Johns Hopkins University, Baltimore, USA, (2000/2001). His research covers convective heat and mass transfer from surfaces exposed to flows, mainly by impinging jets. Author of more than 70 papers.

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Tesař, V., Trávníček, Z. Increasing heat and/or mass transfer rates in impinging jets. J Vis 8, 91–98 (2005). https://doi.org/10.1007/BF03181651

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  • DOI: https://doi.org/10.1007/BF03181651

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