Тип публикации: статья из журнала
Год издания: 2022
Идентификатор DOI: 10.17516/1997-1397-2022-15-1-88-100
Ключевые слова: convection, spectral problem, eigenfunctions, eigenvalues
Аннотация: Spectral problems for stationary unidirectional convective flows in vertical heat exchangers at various boundary temperature conditions are considered. The constant temperature gradient on the vertical walls is used as a spectral parameter. The heat exchanger cross-section can be of an arbitrary shape. The general properties of theПоказать полностьюspectral problem solutions are established. Solutions are obtained in an analytical form for rectangular and a circular cross sections. The critical values of temperature gradient at which convective flow arises are found. The corresponding vertical velocity profiles are constructed. The properties of solutions of a new transcendental equation for the spectral values are studied. Spectral problems for stationary unidirectional convective flows in vertical heat exchangers at various boundary temperature conditions are considered. The constant temperature gradient on the vertical walls is used as a spectral parameter. The heat exchanger cross-section can be of an arbitrary shape. The general properties of the spectral problem solutions are established. Solutions are obtained in an analytical form for rectangular and a circular cross sections. The critical values of temperature gradient at which convective flow arises are found. The corresponding vertical velocity profiles are constructed. The properties of solutions of a new transcendental equation for the spectral values are studied. © Siberian Federal University. All rights reserved.
Журнал: JOURNAL OF SIBERIAN FEDERAL UNIVERSITY-MATHEMATICS & PHYSICS
Выпуск журнала: Vol. 15, Is. 1
Номера страниц: 88-100
ISSN журнала: 19971397
Место издания: KRASNOYARSK
Издатель: SIBERIAN FEDERAL UNIV