Table 1 Simulation conditions.

From: Research on the ejection performance of an ejector with low pressure and back pressure

Project

Attribute

Value

Gas inlet

Pressure inlet

2000 Pa

Air inlet

Pressure inlet

0Pa

outlet

Pressure outlet

− 100 Pa–0 Pa

Gas components

Methane

100%

Air components

Oxygen/nitrogen

20.9%/79.1%

Nozzle diameter

 

3 mm

Laryngeal diameter

 

15 mm