TY JOUR TI EXPERIMENTAL INVESTIGATION OF EMISSIVITY OF METALLIC SURFACE SAMPLES KW emissvity KW thermal radiation KW experimental facility KW thermovisor JO Scientific and analytical journal «Vestnik Saint-Petersburg university of State fire service of EMERCOM of Russia» AU Minkin, D.A. AU Korablev, V.A. AU Sharkov, A.V. PY 2016 IS 2016 PB Saint-Petersburg University of State Fire Service of Emercom of Russia