the efficiency of a heating process depends on knowing (or calculating) the
heat of combustion of a fuel. In some cases, it’s sufficient to
use an approximate value, such as 1,000 BTU/ft3
for natural gas.
Check out the May 2017 issue of Industrial Heating, which includes features on Ford's $1.2 billion investment in three Michigan facilities, a roundup of heat-treat process-verification articles, and much more.