A new calibration method and device for certified flow measurements with laser velocimetry

Katsuaki Shirai, Lars Büttner, Jurgen Czarske, Carsten Kykal

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

We aim to establish traceability at calibration and hence to en- able a certified flow measurement with a calibrated measure- ment system. A new calibration method is presented for laser velocimetry. We develop a simple, unique method which estab- lishes traceability of its uncertainty. The device is transportable and calibratable by any users for their own instruments on-site. Our new method requires only a rotating disk and a precision lin- ear stage providing positional information. In former calibration methods, the uncertainty of the orbit radius of a scattering object was dominant due to the difficulty of accessing the true center of the rotation. The diffuculty was solved in our new method. The new method provides an accurate estimate of the orbit radius and hence the velocity of the calibration object through a linear re- gression. The calibration constant is obtained even without the need of direct access to the absolute value of the rotation radius. The uncertainty budget is examined throughout the calibration procedure. The traceability chain is established once the trace- abilities are maintained to the translation stage and the motor used for rotating the calibration disk. The new method has been realized with three different calibration setups and their perfor- mances were investigated. We demonstrate that the new calibra- tion method can achieve uncertainty down to 0.1 %.

Original languageEnglish
Title of host publicationASME 2012 International Mechanical Engineering Congress and Exposition, IMECE 2012
Pages77-84
Number of pages8
Volume10
DOIs
Publication statusPublished - 2012
Externally publishedYes
EventASME 2012 International Mechanical Engineering Congress and Exposition, IMECE 2012 - Houston, TX, United States
Duration: 2012 Nov 92012 Nov 15

Other

OtherASME 2012 International Mechanical Engineering Congress and Exposition, IMECE 2012
CountryUnited States
CityHouston, TX
Period12/11/912/11/15

Fingerprint

Flow measurement
Velocity measurement
Calibration
Lasers
Orbits
Rotating disks
Linear regression
Scattering
Uncertainty

ASJC Scopus subject areas

  • Mechanical Engineering

Cite this

Shirai, K., Büttner, L., Czarske, J., & Kykal, C. (2012). A new calibration method and device for certified flow measurements with laser velocimetry. In ASME 2012 International Mechanical Engineering Congress and Exposition, IMECE 2012 (Vol. 10, pp. 77-84) https://doi.org/10.1115/IMECE2012-93100

A new calibration method and device for certified flow measurements with laser velocimetry. / Shirai, Katsuaki; Büttner, Lars; Czarske, Jurgen; Kykal, Carsten.

ASME 2012 International Mechanical Engineering Congress and Exposition, IMECE 2012. Vol. 10 2012. p. 77-84.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Shirai, K, Büttner, L, Czarske, J & Kykal, C 2012, A new calibration method and device for certified flow measurements with laser velocimetry. in ASME 2012 International Mechanical Engineering Congress and Exposition, IMECE 2012. vol. 10, pp. 77-84, ASME 2012 International Mechanical Engineering Congress and Exposition, IMECE 2012, Houston, TX, United States, 12/11/9. https://doi.org/10.1115/IMECE2012-93100
Shirai K, Büttner L, Czarske J, Kykal C. A new calibration method and device for certified flow measurements with laser velocimetry. In ASME 2012 International Mechanical Engineering Congress and Exposition, IMECE 2012. Vol. 10. 2012. p. 77-84 https://doi.org/10.1115/IMECE2012-93100
Shirai, Katsuaki ; Büttner, Lars ; Czarske, Jurgen ; Kykal, Carsten. / A new calibration method and device for certified flow measurements with laser velocimetry. ASME 2012 International Mechanical Engineering Congress and Exposition, IMECE 2012. Vol. 10 2012. pp. 77-84
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