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Heat Transfer Research
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Heat Transfer Research

DOI: 10.1615/HeatTransRes.v39.i7.20
pages 571-585

Measurement of the Heat Transfer Coefficient for the Proton Beam Entry Window of the Liquid Metal Target

Jacek Patorski
Paul Scherrer Institut, Switzerland
Friedrich Groeschel
Spallation Neutron Source Div., Paul Scherrer Institute, CH-5232 Villigen-PSI, Switzerland

ABSTRAKT

Before the irradiation of the Megawatt Pilot Experiment Target (MEGAPIE), i.e., a new type of the liquid metal target for a spallation neutron source, in scope of the so-called MEGAPIE Integral Test (MIT) the experimental thermohydraulics investigation of target proton beam entry window cooling has been performed. The goals of this investigation are: (1) determination of the local convection heat transfer coefficient (HTC) over the proton beam entry window area of the target, (2) distribution/visualization of the HTC field shape, and (3) study of the dynamic behavior of the HTC field, i.e., visualization of HTC field fluctuations in time. To achieve these goals the Two-Dimensional and Dynamic Infrared Thermography (2DD-IRT) Method has been used [1, 2]. In this paper, the 2DD-IRT method and some results of MIT-KILOPIE experimental investigations performed at PSI in Switzerland are presented.


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