2014 Fiscal Year Final Research Report
Temperature and Velocity Measurement of Air Flow Combined with Two-Color LIF
| Project/Area Number |
24760131
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| Research Category |
Grant-in-Aid for Young Scientists (B)
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| Allocation Type | Multi-year Fund |
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| Research Field |
Fluid engineering
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| Research Institution | University of Yamanashi |
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Principal Investigator |
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| Project Period (FY) |
2012-04-01 – 2015-03-31
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| Keywords | 可視化 / PIV / LIF / 速度計測 / 温度計測 |
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| Outline of Final Research Achievements |
This study proposes a two-color laser-induced fluorescence technique for measuring the temperature distribution of an airflow by spraying a mist of a fluorescent dye. The mist is generated by using propylene glycol, the vapor pres-sure of which is much lower than that of water, as the solvent of the fluorescent dyes. A supersonic moisture chamber is used as the atomizer for seeding the tracer particles to be visualized. A three-dimensional particle image velocimetry (PIV) method using W-shaped light sheet and color PIV with a digital SLR camera was also developed. The spatial resolution of the z-direction has much room for improvement by increasing the number of cameras.
The proposed technique was applied to the measure-ment of the temperature and velocity distribution in a thermal vertical buoyant plume. The proposed technique was found to be very effective for the study of such a thermal structure, and it is well suited for measuring the temperature and velocity field of an airflow.
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| Free Research Field |
可視化計測
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