Design and Thermal-Hydraulic Performance Analysis of a Low-Temperature Heat Pipe Test Facility

Yilgor, Ilyas; Lan, Eymon; Shi, Shanbin

doi:10.1080/00295639.2022.2087835

Cited by 6 publications

(11 citation statements)

References 24 publications

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“…Heat pipe experiments usually focus on the investigation of operating limits [33][34][35][36][37][38], wick development and performance [39], startup transients [40,41], inclination angles [42][43][44], novel instrumentation [16,40,45], two-phase flow characteristics [46], and motion conditions [47]. This subsection discusses some of these different experimental approaches.…”

Section: Heat Pipe Experimental Methodsmentioning

confidence: 99%

“…Hence, advanced measurement and visualization techniques are currently being developed by multiple institutions [66]. These include fiber optic temperature and strain sensors [16,40,45,67,68], Infrared (IR) thermography, digital image correlation (DIC) [69], high-speed camera flow visualization and pressure measurements of a surrogate fluid [16,45,70,71], radiation based tomography [60], and laser spectroscopy techniques [72].…”

Section: Instrumentationmentioning

confidence: 99%

“…Facility information and experimental data were provided to the Sockeye team from recently published data in [45] for the validation of vapor core temperature profiles using the code [31]. The provided data included the facility dimensions, vapor core temperatures, evaporator power inputs, condenser coolant mass flow rates, and coolant inlet/outlet temperatures.…”

Section: Sockeye Validationmentioning

confidence: 99%

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Analyses Supporting Heat Pipe Experiments

Yilgor,

Sabharwall,

Hartvigsen

2023

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This internship report presents thermal analysis support aiding the development efforts of advanced reactor systems as a part of the Department of Energy Microreactor Program. The heat pipe microreactor (HPMR) is one such reactor concept where the heat from the reactor core is removed via passively operating heat pipes. Heat pipes have found numerous applications in many fields due to their simplicity, effectiveness, and reliability. The present work includes a review of heat pipe experiments and experimental techniques, ideation on experiments using the SPHERE test bed, identification of heat pipe phenomena of interest, and suggestions for future directions on heat pipe experiments. Hence, it directly supports the development of heat pipe microreactors (HPMRs).

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Section: Heat Pipe Experimental Methodsmentioning

confidence: 99%

Section: Instrumentationmentioning

confidence: 99%

Section: Sockeye Validationmentioning

confidence: 99%

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Analyses Supporting Heat Pipe Experiments

Yilgor,

Sabharwall,

Hartvigsen

2023

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“…Experiments usually focus on various aspects of heat pipe operation, such as the investigation of operating limits [33][34][35][36][37][38], wick development and performance [39], working fluid fill ratio [35,[40][41][42], start-up transients [43,44], inclination angles [41,45,46], novel instrumentation [16,43,47], two-phase flow characteristics [48], and motion conditions [49]. This subsection discusses some of these different experimental approaches.…”

Section: Background On Heat Pipe Experimentsmentioning

confidence: 99%

Heat Pipe Cooled Microreactors

Yilgor,

Sellers,

Hartvigsen

et al. 2024

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Microreactor technologies are required to provide reliable carbon-free power generation in remote applications. The heat pipe cooled microreactor concept in particular offers notable advantages due to the passive operation of heat pipes enabling increased reliability and simplicity in a more compact form factor. There is a significant need for experimental work to aid and expedite the deployment of heat pipe microreactors due to their unique technological characteristics. Thus, there has been increased interest in heat pipe experiments by numerous institutions in order to support these efforts. The present work is a comprehensive review of heat pipe experiments, describing instrumentation, methods, phenomena of interest, and recent developments. In addition, legacy work on the operation of high-temperature heat pipes under irradiation is reviewed and discussed. Furthermore, the verification and validation efforts for the flagship heat pipe simulation code, Sockeye, are reviewed and requirements for future experiments are outlined. Finally, future directions are proposed for heat pipe experimentation.

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“…However, this measurement technique does have limitations to consider when designing the experiment facilities. Unlike SPHERE and MAGNET, which are designed to conduct high-temperature liquid metal HP experiments, Shi et al [41] proposed and designed a Low-Temperature Heat Pipe Test Facility (LTHPF) to develop a more detailed experimental database, including internal measurements and flow visualizations. It was demonstrated previously that scaling laws can be used to study high-temperature HPs using low-temperature test facilities [42], where the similarity laws were derived directly from governing equations and constitutive relations using the modeling framework developed by Shi et al [43].…”

Section: Optical Measurement With High-speed Cameramentioning

confidence: 99%

Advanced Measurement and Visualization Techniques for High-Temperature Heat Pipe Experiments

Qin

Nuñez

Sellers

et al. 2022

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This report conducts a preliminary investigation of the available literature and summarizes some potential advanced measurement and visualization techniques for operating high-temperature heat pipe (HP) that can be implemented to support the United States (U.S.) Department of Energy (DOE) Microreactor Program (MRP). The primary objective for the extensive literature research is to investigate the possibilities and feasibility for the design and construction of an advanced experimental test facility with the aim of producing high-fidelity high-resolution heat pipe data during its operation.Based on the existing HP test facilities at Idaho National Laboratory (INL)including the Single Primary Heat Extraction and Removal Emulator (SPHERE) and the Microreactor Agile Non-Nuclear Experimental Test Bed (MAGNET)further efforts will be made to examine the technical feasibility to HP measurements and support the research, development, and demonstration (RD&D) process for an HP-cooled microreactor. Continuing collaborations with the Nuclear Energy Advanced Modeling and Simulation (NEAMS) program, other research institutes and universities are considered to be extremely important so that the experimental facility and resultant database can satisfy the validation needs of advanced heat pipe modeling codes being developed under DOE NEAMS program. vii

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Design and Thermal-Hydraulic Performance Analysis of a Low-Temperature Heat Pipe Test Facility

Cited by 6 publications

References 24 publications

Analyses Supporting Heat Pipe Experiments

Analyses Supporting Heat Pipe Experiments

Heat Pipe Cooled Microreactors

Advanced Measurement and Visualization Techniques for High-Temperature Heat Pipe Experiments

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