Table 2 Peak overpressure of shock wave with different methane concentrations in methane-air mixture.

From: Research on shock wave driving technology of methane explosion

Test condition

Air usage (m3)

Methane consumption (m3)

Methane concentration (vol%)

T1

T2

T3

P1 (kPa)

P2 (kPa)

P3 (kPa)

1

0.4625

0.0375

7.5

1.36

1.34

0.58

2

0.4575

0.0425

8.5

1.57

1.56

0.67

3

0.4525

0.0475

9.5

2.08

1.98

0.79

4

0.4475

0.0525

10.5

1.64

1.59

0.65

5

0.4425

0.0575

11.5

1.44

1.38

0.56

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