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| Abstract No.: |
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Scheduled at:
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Monday, June 02, 2008, Room 05 12:10 PM
New Equipment 1
Latest developments in thermal spray equipment, modern multiple arc plasma guns, optimized powder feeder, new vacuum processes
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| Title: |
Coanda-assisted spray manipulation
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| Authors: |
Barton Smith* / Utah State University, USA
Dustin Allen/ Utah State University, USA
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| Abstract: |
We will present a new device to control thermal sprays using fluidic techniques. Based upon an enhanced Coanda effect, termed Coanda-assisted Spray Manipulation (CSM), a control flow is used to vector and spatially expand a high-speed spray at high frequency. The control flow can be applied to any circumferential position and can be modified at high speed. With CSM, the flow can be precisely positioned without traversing the nozzle or target piece. The key significance of this innovation is the ability to accurately apply films on large surfaces with a single nozzle and no moving parts in or near the jet or spray flow, enabling long-term operation in high temperature, corrosive, or combusting environments. Enhanced control over thermal spray processes parameters is also possible.
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