caa a22 4500 477092810 CHVBK 20180405111519.0 cr unu---uuuuu 170330e19961201xx s 000 0 eng 10.1007/s003480050035 doi (NATIONALLICENCE)springer-10.1007/s003480050035 An improved method for measuring velocity and concentration by thermo-anemometry in turbulent helium-air mixtures [Elektronische Daten] [J.-L. Harion, M. Favre-Marinet, B. Camano]  A hot wire/film probe is used with new operating conditions for measurements of velocity and concentration in helium/air mixtures. With the upstream wire much more overheated than the downstream film, the sensing elements behave almost independently and the calibration map is composed of clearly distinct iso-velocity and iso-concentration curves. This behaviour is largely explained by the difference in the heated elements' diameters. Tests of the probe in a turbulent boundary layer with large density variations indicate very satisfactory measurements. The domain of use for the probe is considerably extended with these new operating conditions. Springer-Verlag Berlin Heidelberg, 1996 Harion J.-L Laboratoire d'Energétique Industrielle, Ecole Nationale Supérieure des Mines de Douai, 941 rue Charles Bourseul, B.P. 838, F-59508 Douai Cedex, France, FR aut Favre-Marinet M. Laboratoire des Ecoulements Géophysiques et Industriels, Institut de Mécanique de Grenoble, B.P. 53X, F-38041 Grenoble Cedex, France, INPG, UJF, CNRS, FR aut Camano B. Instituto de Pesquisas Hidraulicas, Universidade Federal de Rio Grande do Sul Porto Alegre, Brasil, XX aut https://doi.org/10.1007/s003480050035 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/s003480050035 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Harion J.-L Laboratoire d'Energétique Industrielle, Ecole Nationale Supérieure des Mines de Douai, 941 rue Charles Bourseul, B.P. 838, F-59508 Douai Cedex, France, FR aut NATIONALLICENCE 700 1- Favre-Marinet M. Laboratoire des Ecoulements Géophysiques et Industriels, Institut de Mécanique de Grenoble, B.P. 53X, F-38041 Grenoble Cedex, France, INPG, UJF, CNRS, FR aut NATIONALLICENCE 700 1- Camano B. Instituto de Pesquisas Hidraulicas, Universidade Federal de Rio Grande do Sul Porto Alegre, Brasil, XX aut Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer