Mechanistic CHF modeling for natural circulation applications in SMR

Jeffrey Luitjens; Qiao Wu; Scott Greenwood; Michael Corradini

doi:10.1016/j.nucengdes.2016.10.040

Mechanistic CHF modeling for natural circulation applications in SMR

Jeffrey Luitjens, Qiao Wu, Scott Greenwood, Michael Corradini

Research output: Contribution to journal › Article › peer-review

13 Scopus citations

Abstract

A mechanistic critical heat flux correlation has been developed for a wide range of operating conditions which include low mass fluxes of 540–890 kg/m²-s, high pressures of 12–13 MPa, and critical heat fluxes of 835–1100 kW/m². Eleven experimental data points have been collected over these conditions to inform the development of the model using bundle geometry. Errors of within 15% have been obtained with the proposed model for predicting the critical heat flux value, location, and critical pin power for a non-uniform heat flux applied to a 2 × 2 bundle configuration.

Original language	English
Pages (from-to)	604-611
Number of pages	8
Journal	Nuclear Engineering and Design
Volume	310
DOIs	https://doi.org/10.1016/j.nucengdes.2016.10.040
State	Published - Dec 15 2016
Externally published	Yes

Funding

This material is based upon work supported by the Department of Energy Nuclear Energy University Programs grant in collaboration with the University of Wisconsin-Madison .

Funders	Funder number
DOE Office of Nuclear Energy
University of Wisconsin-Madison

Keywords

Boiling crisis
CHF
Critical heat flux
Japan-US seminar
Two-phase

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10.1016/j.nucengdes.2016.10.040

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title = "Mechanistic CHF modeling for natural circulation applications in SMR",

abstract = "A mechanistic critical heat flux correlation has been developed for a wide range of operating conditions which include low mass fluxes of 540–890 kg/m2-s, high pressures of 12–13 MPa, and critical heat fluxes of 835–1100 kW/m2. Eleven experimental data points have been collected over these conditions to inform the development of the model using bundle geometry. Errors of within 15% have been obtained with the proposed model for predicting the critical heat flux value, location, and critical pin power for a non-uniform heat flux applied to a 2 × 2 bundle configuration.",

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AU - Luitjens, Jeffrey

AU - Wu, Qiao

AU - Greenwood, Scott

AU - Corradini, Michael

PY - 2016/12/15

Y1 - 2016/12/15

N2 - A mechanistic critical heat flux correlation has been developed for a wide range of operating conditions which include low mass fluxes of 540–890 kg/m2-s, high pressures of 12–13 MPa, and critical heat fluxes of 835–1100 kW/m2. Eleven experimental data points have been collected over these conditions to inform the development of the model using bundle geometry. Errors of within 15% have been obtained with the proposed model for predicting the critical heat flux value, location, and critical pin power for a non-uniform heat flux applied to a 2 × 2 bundle configuration.

AB - A mechanistic critical heat flux correlation has been developed for a wide range of operating conditions which include low mass fluxes of 540–890 kg/m2-s, high pressures of 12–13 MPa, and critical heat fluxes of 835–1100 kW/m2. Eleven experimental data points have been collected over these conditions to inform the development of the model using bundle geometry. Errors of within 15% have been obtained with the proposed model for predicting the critical heat flux value, location, and critical pin power for a non-uniform heat flux applied to a 2 × 2 bundle configuration.

KW - Boiling crisis

KW - CHF

KW - Critical heat flux

KW - Japan-US seminar

KW - Two-phase

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VL - 310

SP - 604

EP - 611

JO - Nuclear Engineering and Design

JF - Nuclear Engineering and Design

ER -

Mechanistic CHF modeling for natural circulation applications in SMR

Abstract

Funding

Keywords

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