Numerical Investigation of the Thermal Regime of Underground Channel Heat Pipelines Under Flooding Conditions with the Use of a Conductive-Convective Heat Transfer Model; Journal of Engineering Physics and Thermophysics; Vol. 91, iss. 2

Numerical Investigation of the Thermal Regime of Underground Channel Heat Pipelines Under Flooding Conditions with the Use of a Conductive-Convective Heat Transfer Model; Journal of Engineering Physics and Thermophysics; Vol. 91, iss. 2

Detalhes bibliográficos
Parent link:	Journal of Engineering Physics and Thermophysics Vol. 91, iss. 2.— 2018.— [P. 471-476]
Autor principal:	Polovnikov V. Yu. Vyacheslav Yurievich
Autor Corporativo:	Национальный исследовательский Томский политехнический университет Инженерная школа энергетики Научно-образовательный центр И. Н. Бутакова (НОЦ И. Н. Бутакова)
Resumo:	Title screen This paper presents the results of numerical analysis of thermal regimes and heat losses of underground channel heating systems under flooding conditions with the use of a convective-conductive heat transfer model with the example of the configuration of the heat pipeline widely used in the Russian Federation — a nonpassage ferroconcrete channel (crawlway) and pipelines insulated with mineral wool and a protective covering layer. It has been shown that convective motion of water in the channel cavity of the heat pipeline under flooding conditions has no marked effect on the intensification of heat losses. It has been established that for the case under consideration, heat losses of the heat pipeline under flooding conditions increase from 0.75 to 52.39% due to the sharp increase in the effective thermal characteristics of the covering layer and the heat insulator caused by their moistening. Режим доступа: по договору с организацией-держателем ресурса
Idioma:	inglês
Publicado em:	2018
Assuntos:	электронный ресурс труды учёных ТПУ тепловые потери тепловые установки изоляция увлажнение
Acesso em linha:	https://doi.org/10.1007/s10891-018-1766-3
Formato:	Recurso Eletrônico Capítulo de Livro
KOHA link:	https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=658128

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