Воспламенение пропан-воздушных смесей в ударной трубе при давлении 30 атм


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Ignition of propane-air mixtures in shock tube at pressure of 30 atm

Measurement of ignition delay times in propane-air mixtures was performed. The experiments were carried out on a shock tube behind the front of the reflected shock wave in the temperature range T = 1050–1780 K at a pressure p = 30 atm and fuel excess ratios  = 0.5, 1.0, and 2.0. It is shown that in the region of the studied temperatures, the ignition delay time in propane increases with increasing . The data obtained are compared with the results of other measurements, which shows that at low temperatures (T  1000 K) the dependence of the ignition delay time on  has the opposite character.

propane, air, ignition delay time, shock tube, high pressures

DOI: http://doi.org/10.33257/PhChGD.22.3.942

Павел Владимирович Козлов, Игорь Евгеньевич Забелинский, Наталья Германовна Быкова, Геннадий Яковлевич Герасимов, Владимир Юрьевич Левашов

Том 22, выпуск 3, 2021 год



Проведено измерение времен задержки воспламенения в пропан-воздушных смесях. Эксперименты проводились на ударной трубе за фронтом отраженной ударной волны в интервале температур T = 1050 ÷ 1780 K при давлении p = 30 атм и коэффициентах избытка топлива  = 0.5, 1.0 и 2.0. Показано, что в области исследованных температур время задержки воспламенения в пропане растет с увеличением . Проведено сравнение полученных данных с результатами других измерений, которое показывает, что при низких температурах (T 1000 K) зависимость времени задержки воспламенения от  имеет противоположный характер.

пропан, воздух, время задержки воспламенения, ударная труба, высокие давления

DOI: http://doi.org/10.33257/PhChGD.22.3.942

Павел Владимирович Козлов, Игорь Евгеньевич Забелинский, Наталья Германовна Быкова, Геннадий Яковлевич Герасимов, Владимир Юрьевич Левашов

Том 22, выпуск 3, 2021 год



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