Experimental study of a stoichiometric propylene–oxygen–argon mixture ignition behind a reflected shock wave

Мұқаба

Дәйексөз келтіру

Толық мәтін

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Аннотация

A study on the self-ignition of a propylene–oxygen–argon stoichiometric mixture with a volumetric argon content of 95% was carried out. The experiments were performed on a shock tube, which is part of the “Shock Tube” experimental complex of the Institute of Mechanics of Moscow State University, in conditions behind the reflected shock wave. The time dependences of signals from a piezoelectric pressure sensor, a thermoelectric detector and an optical section configured to record the radiation of electronically excited radicals OH• (l = 302 nm), CH• (l = 427 nm, and molecular carbon C2• (l = 553 nm) were analyzed. The ignition delay times τign were measured in the temperature range T = 1200–2460 K and pressures p = 4.5–25 atm. The data obtained are compared with the results of other authors.

Толық мәтін

Рұқсат жабық

Авторлар туралы

P. Kozlov

Moscow State University

Email: vyl69@mail.ru

Institute of Mechanics

Ресей, Moscow

M. Kotov

Moscow State University; Ishlinsky Institute for Problems in Mechanics, Russian Academy of Sciences

Email: levashovvy@imec.msu.ru

Institute of Mechanics

Ресей, Moscow; Moscow

G. Gerasimov

Moscow State University

Email: vyl69@mail.ru

Institute of Mechanics

Ресей, Moscow

V. Levashov

Moscow State University

Хат алмасуға жауапты Автор.
Email: levashovvy@imec.msu.ru

Institute of Mechanics

Ресей, Moscow

N. Bykova

Moscow State University

Email: vyl69@mail.ru

Institute of Mechanics

Ресей, Moscow

I. Zabelinskii

Moscow State University

Email: levashovvy@imec.msu.ru

Institute of Mechanics

Ресей, Moscow

Әдебиет тізімі

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Әрекет
1. JATS XML
Жүктеу
2. Fig. 1. Shock tube diagram: D – diaphragm, P – pressure sensor, TD – thermoelectric detector, OS – optical section.

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Метадеректер
3. Fig. 2. Spectral radiation density of the mixture, I, during its ignition at T = 1505 K and p = 5.9 atm.

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4. Fig. 3. Evolution of pressure P and radiation intensity of electronically excited radicals CH• (1), OH• (2) and molecules C2• (3) at T = 1868 K and p = 4.44 atm.

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5. Fig. 4. P, TD and OS readings indicating ignition of the mixture at T = 2457 K and p = 20.6 atm.

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Метадеректер
6. Fig. 5. Ignition delay times in the stoichiometric C3H6/O2/Ar mixture measured in this work at p = 4.5–6.0 atm (1) and p = 12–25 atm (2), in comparison with the experimental data from [11], obtained at p = 4.5 atm (3), and from [20], obtained at p = 15 atm (4). Lines are approximation curves.

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Метадеректер

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