What is it about?
Pressure-sensitive paint (PSP) is a optical sensor that enable us to obtain pressure distribution on a model surface in high spatial resolution. To measure time-resolved pressure distribution, researchers have made much efforts to improve the response time of PSP. We investigated the effects of binder material on the properties of PSP. Finally, we have succeeded in greatly improving the response time of PSP.
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Why is it important?
Sprayable fast-responding PSP is useful because it can be applied to models made of various material while anodized aluminum PSP (AA-PSP) is applicable to models only made of aluminum alloys. However, the typical response time of conventional sprayable PSP's was about 50 microsec or more. We have firstly achieved a response time of less than 10 microsec with sprayable PSP. It is comparable to that of AA-PSP.
Perspectives
We try to improve sprayable PSP to have higher responsiveness, lower temperature sensitivity, higher luminescence intensity, higher adhesion to a model surface, and lower surface roughness.
Yasuhiro Egami
Aichi Institute of Technology
Read the Original
This page is a summary of: Development of Polymer/Ceramic Pressure-Sensitive Paint with the same response time as Anodized-Aluminum PSP, January 2018, American Institute of Aeronautics and Astronautics (AIAA),
DOI: 10.2514/6.2018-1032.
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