Investigation of the Pulsed Annular Gas Jet for Chemical Reactor Cleaning

Table 1

Experimental results.

Width of the annular gap		12 mm	6 mm	2.5 mm
Mass flow rate at the outlet, kg/s	Entrance is opened experiment	0.92	1.07	1.23
	Entrance is opened calculations	1.19	1.61	2.51
	Entrance is closed experiment	0.87	—	0.73
	Entrance is closed calculations	0.70	0.70	0.70
	Entrance is opened swirling jet calculations	1.62	1.52	2.83
Ejection coefficient (𝐺3−𝐺1)/𝐺1	Entrance is opened experiment	0.35	0.57	0.81
	Entrance is opened calculations	0.75	1.37	2.69
	Entrance is closed experiment	0.28	—	0.07
	Entrance is closed calculations	0.00	0.00	0.00
	Entrance is opened swirling jet calculations	1.31	1.17	3.04