Method of and means for accurately measuring the calorific value

Details Method of and means for accurately measuring the calorific value Method of and means for accurately measuring the calorific value

1976-05-03

1977-12-13

Goldstein, Herbert

Measuring and testing

Volume or rate of flow

System

G01N 2530

Patent

active

040622363

ABSTRACT:
Method of and means for accurately measuring the calorific value of combustible gases wherein a mixture of combustible gas and combustion-supporting gas is burned in a pair of flames, the temperatures of the burned gases in both flames being monitored and the volume ratios of the combustion-supporting gas to the combustible gas fed to both burners being adjusted so as to maintain the average of said temperatures at substantially maximum; the volume ratio of said gases which produces said maximum average temperatures varying substantially directly with the calorific value of said combustible gas; the aforesaid calorific value being proportional to said volume ratio of said gases which maximizes said average temperatures; the flow rates of said gases being measured by a single flow sensing system, preferably, of the turbine flowmeter types, or the volumetric flow rate of said combustion-supporting gas being maintained at a constant value while the volumetric flow rate of said combustible gas is being measured; said calorific value measuring method and means being unaffected by ambient temperature and other varying environmental factors.

REFERENCES:
patent: 3393562 (1968-07-01), Breedlove
patent: 3777562 (1973-12-01), Clingman, Jr.

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