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Flow Field Measurements in a Confined Duct

Engineering & Scientific Innovations (ESI) was tasked to document the flow within a high temperature reactor. Concerns regarding the level of fluid mixing and its impact on the level of thermal protection to the reactor wall.

Flow Field Measurements in a Confined Duct image1

Using multiple thermal anemometers the velocity field was simultaneously acquired at four locations across an air duct under cold flow conditions.

Using a computer controlled system the velocity probes were moved and complete mapping the flow as it entered the reactor was obtained.

A velocity map highlights the flow non-uniformity as fluid enters the reactor.

Flow Field Measurements in a Confined Duct image2Flow Field Measurements in a Confined Duct image3

 

 

 

 

 

 

Although the mass flow rate was constant the degree of mixing differed depending on whether the flow was drawn or injected into the mixing duct.