Experimental Investigation of a Prandtl Probe Fabricated Using Desktop Stereolithography Technology

Alfred Gift Mwachugha, Jean Byiringiro, Harrison Ngetha, Thomas Carolus and Kathrin Stahl
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Alfred Gift Mwachugha: Dedan Kimathi University of Technology, Kenya
Jean Byiringiro: Dedan Kimathi University of Technology, Kenya
Harrison Ngetha: Dedan Kimathi University of Technology, Kenya
Thomas Carolus: Institute of Fluid and Thermodynamic, Siegen University, Germany
Kathrin Stahl: Institute of Fluid and Thermodynamic, Siegen University, Germany

European Journal of Engineering and Technology Research, 2020, vol. 5, issue 10, 1274-1280

Abstract: A Prandtl probe is one of the standard instruments used for flow characterization in wind tunnel facilities. The convectional fabrication method of this instrument requires skilled artisanship, precision drilling, lathing and soldering of its several parts. This reflects into high costs of production in turn making wind energy studies expensive. With the adoption of additive manufacturing, the tooling costs, skills required and design to manufacture constraints can be addressed. This research presents a Prandtl probe that was designed using NX™ software, fabricated by desktop stereolithography additive manufacturing platform and validated in a wind tunnel for velocity range of 0 m/s to 51 m/s. This research attested the option of fabricating relatively cheap functional Prandtl probe with desktop stereolithography technology which can be used for accurate determination of flow quality in wind tunnels experiments. This provides various learning and research institution in developing countries that have already invested in additive desktop manufacturing technology certainty and a cheaper option to fabricate wind research instruments for use at their laboratories. Moreover, fabrication and validation of a 5-hole Prandtl probe can also be examined.

Keywords: Prandtl probe; stereolithography; wind tunnel; wind energy studies (search for similar items in EconPapers)
Date: 2020
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Persistent link: https://EconPapers.repec.org/RePEc:epw:ejeng0:v:5:y:2020:i:10:id:62202

DOI: 10.24018/ejeng.2020.5.10.2202

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