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Flow Balance Within a Gaseous Fuel Manifold

The quick visualization study was requested to ascertain if the unbalance observed in a gaseous fuel burner was the result of poor gas injection to the underside of the fuel burner.

With air flow set to a constant level on the top side of the manifold an air water mist was injected underneath into the plenum.

Injected fluid highlights the presence of an unequal strength vortex within the left and right recirculation zones.

Flow Balance Within a Gaseous Fuel Manifold image1Although very fundamental this process demonstrates how a low cost flow visualization exercise can rapidly provide the necessary information.