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Twente mass and heat transfer water tunnel: Temperature controlled turbulent multiphase channel flow with heat and mass transfer

Abstract : A new vertical water tunnel with global temperature control and the possibility for bubble and local heat and mass injection has been designed and constructed. The new facility offers the possibility to accurately study heat and mass transfer in turbulent multiphase flow (gas volume fraction up to 8%) with a Reynolds-number range from 1.5 × 104 to 3 × 105 in the case of water at room temperature. The tunnel is made of high-grade stainless steel permitting the use of salt solutions in excess of 15% mass fraction. The tunnel has a volume of 300 l. The tunnel has three interchangeable measurement sections of 1 m height but with different cross sections (0.3 × 0.04 m2, 0.3 × 0.06 m2, and 0.3 × 0.08 m2). The glass vertical measurement sections allow for optical access to the flow, enabling techniques such as laser Doppler anemometry, particle image velocimetry, particle tracking velocimetry, and laser-induced fluorescent imaging. Local sensors can be introduced from the top and can be traversed using a built-in traverse system, allowing, for example, local temperature, hot-wire, or local phase measurements. Combined with simultaneous velocity measurements, the local heat flux in single phase and two phase turbulent flows can thus be studied quantitatively and precisely
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https://hal.archives-ouvertes.fr/hal-02292846
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Submitted on : Friday, September 20, 2019 - 11:47:18 AM
Last modification on : Thursday, February 4, 2021 - 10:32:02 AM
Long-term archiving on: : Sunday, February 9, 2020 - 2:57:07 AM

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Biljana Gvozdić, On-Yu Dung, Dennis P. M. van Gils, Gert-Wim H. Bruggert, Elise Alméras, et al.. Twente mass and heat transfer water tunnel: Temperature controlled turbulent multiphase channel flow with heat and mass transfer. Review of Scientific Instruments, American Institute of Physics, 2019, 90 (7), pp.075117. ⟨10.1063/1.5092967⟩. ⟨hal-02292846⟩

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