Calorimeter

Measuring and testing – Volume or rate of flow – System

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G01K 1700

Patent

active

041633881

ABSTRACT:
The heat of combustion K.sub.1 of a gas is determined by burning the gas in air in a chamber and cooling the combustion products with air to a final temperature equal to the air and gas input temperature. With mass flowmeters, the gas flowrate W.sub.1, the cooling air flow rate W.sub.3, a T.sub.2 temperature sensor, and a sensor for the cooling air input temperature T.sub.3 are employed with a computer to derive K.sub.1 as follows: ##EQU1## where K.sub.3 is the specific heat of the cooling air. Alternatively an outlet temperature T.sub.1 may be substituted for T.sub.2.

REFERENCES:
patent: 2026179 (1935-12-01), Keith
patent: 3472071 (1969-10-01), Toyoda et al.
patent: 3724261 (1973-04-01), Kydd et al.

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