DEVELOPMENT OF ON-LINE INSTRUMENTATION AND TECHNIQUES TO DETECT AND MEASURE PARTICULATES

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In this quarter, we have rebuilt a new multiwavelength light source which boasts over 300mW combined output from 10 different wavelengths and loss of less than 15% for each wavelength and it is much more flexible than the previous version too. Compared to the previous version, the efficiency and construction complexity have been dramatically improved for field use. We also have refined the diode pumped laser which now could give out more pulse energy than before, and this will improve the signal to noise ratio. We are also using the water jet we built in the 2nd quarter to calibrate ... continued below

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14 pages

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Wu, Sheng; Palm, Steve; Tang, Yongchun & III, William A. Goddard April 30, 2005.

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Description

In this quarter, we have rebuilt a new multiwavelength light source which boasts over 300mW combined output from 10 different wavelengths and loss of less than 15% for each wavelength and it is much more flexible than the previous version too. Compared to the previous version, the efficiency and construction complexity have been dramatically improved for field use. We also have refined the diode pumped laser which now could give out more pulse energy than before, and this will improve the signal to noise ratio. We are also using the water jet we built in the 2nd quarter to calibrate our laser scattering outside the engine exhaust, and water jet calibration data is used to simulate the scattering results in the exhaust line.

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14 pages

Notes

OSTI as DE00840431

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  • Other Information: PBD: 30 Apr 2005

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  • Report No.: NONE
  • Grant Number: FC26-02NT41581
  • DOI: 10.2172/840431 | External Link
  • Office of Scientific & Technical Information Report Number: 840431
  • Archival Resource Key: ark:/67531/metadc782104

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Office of Scientific & Technical Information Technical Reports

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  • April 30, 2005

Added to The UNT Digital Library

  • Dec. 3, 2015, 9:30 a.m.

Description Last Updated

  • Jan. 4, 2017, 1:48 p.m.

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Wu, Sheng; Palm, Steve; Tang, Yongchun & III, William A. Goddard. DEVELOPMENT OF ON-LINE INSTRUMENTATION AND TECHNIQUES TO DETECT AND MEASURE PARTICULATES, report, April 30, 2005; United States. (digital.library.unt.edu/ark:/67531/metadc782104/: accessed October 22, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.