HEAT EXCHANGE IN CONDENSATION OF R227 COOLANT 
ON INCLINED TUBES PLACED IN A GRANULAR BED

P. T. Petrik,a P. V. Dadonov, b 
I. V. Dvorovenko, a  and A. R. Bogomolovb 

UFC 536.24

Heat exchange in condensation of R227 coolant on inclined 
tubes placed in a granular bed has been investigated experimentally. 
The plots of the heat-transfer coefficient as a function of the temperature 
head for different angles of inclination of the tube have been given.

a Kuzbas State Technical University, 28 Vesennyaya Str., Kemerovo, 
650026, Russia; email: barom@kuzstu.ru; 
b Institute of Thermal Physics, Siberian Branch of the Russian 
Academy of Sciences, Kemerovo, Russia. Translated from Inzhenerno-Fizicheskii 
Zhurnal, Vol. 77, No. 4, pp. 76-78, July-August, 2004. Original article 
submitted April 20, 2001; revision submitted December 30, 2003.