The invention discloses a multichannel parallel heat release rate test
system and test method, and aims at providing a
system and a test method for accurate
calorimetric measurement of a fire disaster with large burning area and
high heat release rate through a multichannel parallel mode. The test
system comprises a
combustor, a
data acquisition unit, a data processor and a plurality of test units; each test unit comprises a
smoke collection system, a
smoke flow measuring system and a
smoke sampling system, and the smoke
collection system comprises a smoke
discharge pipeline, a damping screen, a sampling section and a smoke
discharge blower; the
smoke flow measuring system comprises a bidirectional pitot tube, a
differential pressure transducer and a
thermocouple; the smoke sampling system comprises a smoke sampling
pipe, a condenser, a smoke filter, a
drying device, a sampling pump, a rotor flow meter, an
oxygen sensor, a CO2 sensor and a CO sensor; and the smoke
discharge pipelines in the test units are connected in parallel. The multichannel parallel heat release rate test system and the test method, provided by the invention, can be used for testing the heat release rate of a tunnel fire disaster, and also can be used for testing the heat release rates of
fire disasters of automobiles and trains.