Performance of Microreactor Test Article with Embedded Sensors During Testing in The Single Primary Heat Extraction and Removal Emulator

Hyer, Holden; Sweeney, Dan; Petrie, Christian M.; Hartvigsen, Jeremey; Sellers, Zachary; Unruh, Troy; Phero, Timothy

doi:10.2172/1886457

Cited by 2 publications

(4 citation statements)

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“…The efficiency averages around 20-25%. These results indicate that a majority of the heat was being lost in both the adiabatic region of the heat pipe, as well as the core block [103].…”

Section: Investigation Of Advanced Instruments and Embedded Sensorsmentioning

confidence: 84%

“…To date, two major experiments have been conducted using SPHERE: (1) the testing of a heater block with embedded sensors manufactured by ORNL [103], and (2) gap conductance tests to quantify the thermal resistance between the heater block and the heat pipe [76]. These tests are reviewed in detail in the following sections.…”

Section: Facility Descriptionmentioning

confidence: 99%

“…The fibers were a mixture of strain and temperature sensors. Figure 8 showcases the location of the sensors within the block [103]. This setup was installed in INL's SPHERE facility.…”

Section: Investigation Of Advanced Instruments and Embedded Sensorsmentioning

confidence: 99%

“…Figure 10. Measured strain, analytical strain, and temperature as a function of time [103]. The differences in temperature between the sensors depend on a variety of experimental factors.…”

Section: Investigation Of Advanced Instruments and Embedded Sensorsmentioning

confidence: 99%

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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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“…The efficiency averages around 20-25%. These results indicate that a majority of the heat was being lost in both the adiabatic region of the heat pipe, as well as the core block [103].…”

Section: Investigation Of Advanced Instruments and Embedded Sensorsmentioning

confidence: 84%

Section: Facility Descriptionmentioning

confidence: 99%

“…The fibers were a mixture of strain and temperature sensors. Figure 8 showcases the location of the sensors within the block [103]. This setup was installed in INL's SPHERE facility.…”

Section: Investigation Of Advanced Instruments and Embedded Sensorsmentioning

confidence: 99%

“…Figure 10. Measured strain, analytical strain, and temperature as a function of time [103]. The differences in temperature between the sensors depend on a variety of experimental factors.…”

Section: Investigation Of Advanced Instruments and Embedded Sensorsmentioning

confidence: 99%

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