The advantages of open circuit wind tunnels is first the low construction cost. These are easy to make and are cheap. It's a better design for propulsion and smoke visualization. There is no accumulation of exhaust products in an open tunnel.
The disadvantages are poor flow quality in the wind tunnel. The tunnels should also be kept away from other objects in the room that produce asymmetries to the bellmouth. It can also be affected by wind and weather.The fan must must continually accelerate flow through the tunnel. It is also noisy which can be inconvenient.
The disadvantages are poor flow quality in the wind tunnel. The tunnels should also be kept away from other objects in the room that produce asymmetries to the bellmouth. It can also be affected by wind and weather.The fan must must continually accelerate flow through the tunnel. It is also noisy which can be inconvenient.
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