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TY - JOUR
AU - Евгений Евгеньевич Макаров
PY - 2023/03/28
Y2 - 2024/11/25
TI - Влияние гравитации на характер течения в системе жидкость — газ с учетом массопереноса
JF - Известия Алтайского государственного университета
JA - Известия АлтГУ
VL - 0
IS - 1(129)
SE - Математика и механика
DO - 10.14258/izvasu(2023)1-21
UR - http://izvestiya.asu.ru/article/view/%282023%291-21
AB - Изучаются стационарные двухслойные конвективные течения жидкости и спутного потока газа в наклонном канале с учетом тепло- и массопереноса на термокапиллярной границе раздела, остающейся недеформируемой. Математическое моделирование проводится на основе точных решений специального вида Остроумова — Бириха уравнений Навье — Стокса в приближении Обербека — Буссинеска, записанных с учетом взаимообратных эффектов термодиффузии и диффузионной теплопроводности в газопаровом слое. Пар в газе полагается пассивной примесью и не влияет на свойства газа. Рассмотрен случай, когда функция концентрации пара удовлетворяет условию отсутствия потока на верхней стенке канала. <<НFЕ-7100-азот>> выбрана в качестве рабочей системы жидкость — газ, для которой приведены примеры профилей скорости, распределения температуры и концентрации пара в верхнем слое. Изучено влияние гравитационного воздействия на характер течения и величину массовой скорости испарения. Результаты представлены в случае, когда выполнено условие замкнутости потока жидкости, при отрицательном значении параметра, определяющего продольный градиент температуры, и при заданной величине расхода газа.
ER -