Fouling effect of lead oxide crystallization on heat transfer in LBE

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Fouling effect of lead oxide crystallization on heat transfer in LBE. / Shin, Yong-Hoon; Gladinez, Kristof; Lim, Jun; Marino, Alessandro; Rosseel, Kris; Aerts, Alexander; Van Tichelen, Katrien.

International Meeting on Nuclear Reactor Thermal Hydraulics (NURETH-18). ANS - American Nuclear Society, 2019.

Research output: Contribution to report/book/conference proceedingsIn-proceedings paperpeer-review

Harvard

Shin, Y-H, Gladinez, K, Lim, J, Marino, A, Rosseel, K, Aerts, A & Van Tichelen, K 2019, Fouling effect of lead oxide crystallization on heat transfer in LBE. in International Meeting on Nuclear Reactor Thermal Hydraulics (NURETH-18). ANS - American Nuclear Society, 2019 - NURETH18, Portland, Oregon, United States, 2019-08-18.

APA

Shin, Y-H., Gladinez, K., Lim, J., Marino, A., Rosseel, K., Aerts, A., & Van Tichelen, K. (2019). Fouling effect of lead oxide crystallization on heat transfer in LBE. In International Meeting on Nuclear Reactor Thermal Hydraulics (NURETH-18) ANS - American Nuclear Society.

Vancouver

Shin Y-H, Gladinez K, Lim J, Marino A, Rosseel K, Aerts A et al. Fouling effect of lead oxide crystallization on heat transfer in LBE. In International Meeting on Nuclear Reactor Thermal Hydraulics (NURETH-18). ANS - American Nuclear Society. 2019

Bibtex - Download

@inproceedings{488502018d5a42cbb802491092a2c1a5,
title = "Fouling effect of lead oxide crystallization on heat transfer in LBE",
abstract = "The fouling of heat exchangers in LBE-cooled systems is normally expected to occur only in a restricted condition that the active control of oxygen in the coolant fails, such as in an accidental condition. However, many practices of numerical system analysis on LBE systems which include the fouling effect given by the lead oxide (PbO) formation appear to be not well grounded on how to simulate the fouling effect given since it has been treated arbitrarily with additional thermal resistance layers and low thermal conductivities. To fill the knowledge gaps, this study aims at the characterization of PbO deposits on a cold surface in terms of its effect on heat transfer. The crystallization fouling by PbO was experimentally simulated with a thin U-shape stainless steel tube cooled by compressed air in a small, heated vessel containing LBE. As a result, the overall thermal resistance of the tube increased over time with the fouling layer buildup, suggesting the formation of PbO shows the fouling effect. Furthermore, an analytical parametric study showed that the actual thermophysical properties of the layer would be far different from what were originally expected from those of pure PbO, indirectly indicating that it consists of not only PbO but other compounds including LBE.",
keywords = "LBE, lead oxide, fouling effect, effective thermal conductivity",
author = "Yong-Hoon Shin and Kristof Gladinez and Jun Lim and Alessandro Marino and Kris Rosseel and Alexander Aerts and {Van Tichelen}, Katrien",
note = "Score=3; 2019 - NURETH18 : 18th International Topical Meeting on Nuclear Reactor Thermal Hydraulics, NURETH ; Conference date: 18-08-2019 Through 23-08-2019",
year = "2019",
month = aug,
day = "18",
language = "English",
booktitle = "International Meeting on Nuclear Reactor Thermal Hydraulics (NURETH-18)",
publisher = "ANS - American Nuclear Society",
address = "United States",
url = "http://epsr.ans.org/meeting/?m=285",

}

RIS - Download

TY - GEN

T1 - Fouling effect of lead oxide crystallization on heat transfer in LBE

AU - Shin, Yong-Hoon

AU - Gladinez, Kristof

AU - Lim, Jun

AU - Marino, Alessandro

AU - Rosseel, Kris

AU - Aerts, Alexander

AU - Van Tichelen, Katrien

N1 - Conference code: 18

PY - 2019/8/18

Y1 - 2019/8/18

N2 - The fouling of heat exchangers in LBE-cooled systems is normally expected to occur only in a restricted condition that the active control of oxygen in the coolant fails, such as in an accidental condition. However, many practices of numerical system analysis on LBE systems which include the fouling effect given by the lead oxide (PbO) formation appear to be not well grounded on how to simulate the fouling effect given since it has been treated arbitrarily with additional thermal resistance layers and low thermal conductivities. To fill the knowledge gaps, this study aims at the characterization of PbO deposits on a cold surface in terms of its effect on heat transfer. The crystallization fouling by PbO was experimentally simulated with a thin U-shape stainless steel tube cooled by compressed air in a small, heated vessel containing LBE. As a result, the overall thermal resistance of the tube increased over time with the fouling layer buildup, suggesting the formation of PbO shows the fouling effect. Furthermore, an analytical parametric study showed that the actual thermophysical properties of the layer would be far different from what were originally expected from those of pure PbO, indirectly indicating that it consists of not only PbO but other compounds including LBE.

AB - The fouling of heat exchangers in LBE-cooled systems is normally expected to occur only in a restricted condition that the active control of oxygen in the coolant fails, such as in an accidental condition. However, many practices of numerical system analysis on LBE systems which include the fouling effect given by the lead oxide (PbO) formation appear to be not well grounded on how to simulate the fouling effect given since it has been treated arbitrarily with additional thermal resistance layers and low thermal conductivities. To fill the knowledge gaps, this study aims at the characterization of PbO deposits on a cold surface in terms of its effect on heat transfer. The crystallization fouling by PbO was experimentally simulated with a thin U-shape stainless steel tube cooled by compressed air in a small, heated vessel containing LBE. As a result, the overall thermal resistance of the tube increased over time with the fouling layer buildup, suggesting the formation of PbO shows the fouling effect. Furthermore, an analytical parametric study showed that the actual thermophysical properties of the layer would be far different from what were originally expected from those of pure PbO, indirectly indicating that it consists of not only PbO but other compounds including LBE.

KW - LBE

KW - lead oxide

KW - fouling effect

KW - effective thermal conductivity

UR - http://ecm.sckcen.be/OTCS/llisapi.dll/open/34218633

UR - https://www.google.be/url?sa=t&rct=j&q=&esrc=s&source=web&cd=1&ved=2ahUKEwi5z9mn2bHkAhVJKFAKHbeBAzkQFjAAegQIABAC&url=http%3A%2F%2Fwww.ans.org%2Fmeetings%2Ffile%2F918&usg=AOvVaw2U7LVYsGHWTzy4UyWMEoMG

M3 - In-proceedings paper

BT - International Meeting on Nuclear Reactor Thermal Hydraulics (NURETH-18)

PB - ANS - American Nuclear Society

T2 - 2019 - NURETH18

Y2 - 18 August 2019 through 23 August 2019

ER -

ID: 5184103