Suction gas plants . Fig. 35.—Junkers Calorimeter for testing Calorific Value of Gas. APPENDICES. 157 The following account of a series of tests made to determine thecalorific value of coal gas by the use of this apparatus will helpto make the method of conducting such tests and working out theresults more clear. The pressure and temperature of the gas at inlet and outlet. Fig. 36.—Junkers Calorimeter arranged ready for use. of meter was noted. From this we can find the weight. Thevolume of gas used was found by taking readings on the meterat beginning and end of test. The pressure at the burn
Suction gas plants . Fig. 35.—Junkers Calorimeter for testing Calorific Value of Gas. APPENDICES. 157 The following account of a series of tests made to determine thecalorific value of coal gas by the use of this apparatus will helpto make the method of conducting such tests and working out theresults more clear. The pressure and temperature of the gas at inlet and outlet. Fig. 36.—Junkers Calorimeter arranged ready for use. of meter was noted. From this we can find the weight. Thevolume of gas used was found by taking readings on the meterat beginning and end of test. The pressure at the burner waskept constant by a small gasometer, which was fitted with amanometer for indicating the pressure. We passed (in each case,except one) 10,000 of water through the calorimeter, 158 SUCTION GAS PLANTS. collecting the water in two 5000 flasks. The water mustpass through the calorimeter fast enough in order to prevent thetemperature from getting too high. The rate at which waterpasses through is regulated by a valve at F. The temperatureat which the products of combustion are discharged is made asnearly as possible equal to atmospheric temperature. Our thermometers were graduated to l C, but, by the help ofthe microscopes provided, we could estimate to 01° C. Readingsof temperature, pressure, etc. were taken every five experiment was perfo
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