Constant temperature heating value measurement apparatus

Details Constant temperature heating value measurement apparatus Constant temperature heating value measurement apparatus

G - Physics

01

N

73/95

G01N 31/12 (2006.01)

Patent

CA 1224939

Abstract: Constant temperature heating value measurement apparatus An apparatus for determining the heating value of a fuel gas stream of variable composition utilizes a housing of high thermal conductivity defining a small volume combustion chamber, and filled with a bed of highly thermally conductive particles surrounding an electrical-resistance heater. The heater maintains the internal temperature of the chamber above the combustion point of the fuel gas, to totally combust the enclosed sample. The bed of particles transmits the heating effects of the combustion to the housing. A temperature sensor attached to the housing communi- cates with a feedback controller which acts to main- tain the housing temperature constant, by appropri- ately adjusting the electrical energy supplied to the heater. Means are provided to correlate changes in the electrical energy to the heating content of the fuel sample.

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