Skip to main content
Log in

Simultaneous measurement of pressure and temperature on the same surface by sensitive paints using the sensor selection method

Experiments in Fluids Aims and scope Submit manuscript

Cite this article

Abstract

A novel measurement method is developed for a simultaneous measurement of pressure and temperature on an airfoil by sensitive paints. The proposed method requires two sets of measurements: in the first set, the temperature distribution is measured on the entire surface of the airfoil by temperature-sensitive paint (TSP). This temperature field is further utilized to evaluate sparse sensor locations based on the sensor selection methods. For the second set of measurements, TSP was sprayed on sparse points and pressure-sensitive paint (PSP) on the remaining airfoil surface. A full temperature field can be reconstructed using temperature data measured at those sparse locations. The temperature-induced error due to temperature sensitivity of PSP is corrected, and a time-averaged pressure field is compared with the pressure tap data. The proposed method is demonstrated on a flow over a NACA 0015 airfoil. Time-averaged and spanwise averaged pressure agrees very well with pressure sensor data measured simultaneously with PSP giving further confidence in our measurement. The present results also show that the Bayesian estimation and a corresponding sensor selection method overperform the linear least squares estimation and a corresponding sensor selection method, and the Bayesian estimation framework is recommended for the practical sparse sensor for temperature reconstruction.

This is a preview of subscription content, log in via an institution to check access.

Access this article

Price excludes VAT (USA)
Tax calculation will be finalised during checkout.

Instant access to the full article PDF.

Institutional subscriptions

Fig. 1
Fig. 2
Fig. 3
Fig. 4
Fig. 5
Fig. 6
Fig. 7
Fig. 8
Fig. 9
Fig. 10
Fig. 11
Fig. 12

Similar content being viewed by others

Data availability

All data generated or analyzed during this study are included in this published article.

References

Download references

Acknowledgements

This work was financially supported by Japan Society for Promotion of Science (JSPS) KAKENHI 20J10276, JST, ACT-X Grant Number JPMJAX20AD, Japan, Science and Engineering Research Board (SER-1839-MID) and JSTE FOREST Grant number JPMJFR202C.

Funding

This work was financially supported by Japan Society for Promotion of Science (JSPS) KAKENHI 20J10276, ACT-X Grant Number JPMJAX20AD, Japan, Science and Engineering Research Board (SER-1839-MID) and JSTE FOREST Grant number JPMJFR202C. The authors declare that the funding bodies have no role in the design of the study and collection, analysis, and interpretation of data and in writing the manuscript.

Author information

Authors and Affiliations

Authors

Contributions

N Tiwari was involved in the conceptualization, methodology, experiments, software, investigation, writing—original draft, visualization, data curation, writing—review and editing, and funding acquisition. K Uchida was involved in the experiments and review and editing. R Inoba contributed to the experiments and review. Y Saito contributed to the methodology, software, review, editing, and funding acquisition. K Asai helped in the review. T Nonomura contributed to the conceptualization, supervision, review, and editing.

Corresponding author

Correspondence to Neetu Tiwari.

Ethics declarations

Competing interests

The authors declare no competing interests.

Conflict of interest

The authors declare that they have no competing interests.

Rights and permissions

Springer Nature or its licensor holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law.

Reprints and Permissions

About this article

Check for updates. Verify currency and authenticity via CrossMark

Cite this article

Tiwari, N., Uchida, K., Inoba, R. et al. Simultaneous measurement of pressure and temperature on the same surface by sensitive paints using the sensor selection method. Exp Fluids 63, 171 (2022). https://doi.org/10.1007/s00348-022-03501-x

Download citation

  • Received:

  • Revised:

  • Accepted:

  • Published:

  • DOI: https://doi.org/10.1007/s00348-022-03501-x

Navigation