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Вторичные потери в Ñ€ÐµÑˆÐµÑ‚ÐºÐ°Ñ Ñ‚ÑƒÑ€Ð±Ð¸Ð½

выпускная квалификационная работа магистра
descriptionPublicationkeyboard_double_arrow_right Other literature type 01 Jan 2017 Russian Publisher:Санкт-Петербургский политехнический университет Петра Великого

doi: 10.18720/spbpu/2/v18-716

Вторичные потери в Ñ€ÐµÑˆÐµÑ‚ÐºÐ°Ñ Ñ‚ÑƒÑ€Ð±Ð¸Ð½

Abstract

Построены модели Ð¿Ð»Ð¾ÑÐºÐ¸Ñ Ñ€ÐµÑˆÐµÑ‚Ð¾Ðº Ñ‚ÑƒÑ€Ð±Ð¸Ð½Ð½Ñ‹Ñ Ð¿Ñ€Ð¾Ñ„Ð¸Ð»ÐµÐ¹ для расчета в программном пакете ANSYS CFX. Модели разбиты конечноразностными элементами (расчетной сеткой). Проведено исследование влияния количества элементов расчетной сетки на результаты расчета. Установлены рациональные для данной задачи способ задания Ð³Ñ€Ð°Ð½Ð¸Ñ‡Ð½Ñ‹Ñ ÑƒÑÐ»Ð¾Ð²Ð¸Ð¹ и модель турбулентности. Проведено численное исследование влияния высоты лопатки на вторичные потери в Ñ€ÐµÑˆÐµÑ‚ÐºÐ°Ñ Ñ‚ÑƒÑ€Ð±Ð¸Ð½Ð½Ñ‹Ñ Ð¿Ñ€Ð¾Ñ„Ð¸Ð»ÐµÐ¹ при Ð·Ð°Ð´Ð°Ð½Ð½Ñ‹Ñ ÑƒÑÐ»Ð¾Ð²Ð¸ÑÑ Ñ€Ð°Ð±Ð¾Ñ‚Ñ‹. Выполнен анализ структуры потока в Ñ€ÐµÑˆÐµÑ‚ÐºÐ°Ñ . Вычислены и построены зависимости Ð²Ñ‚Ð¾Ñ€Ð¸Ñ‡Ð½Ñ‹Ñ Ð¿Ð¾Ñ‚ÐµÑ€ÑŒ в Ñ€ÐµÑˆÐµÑ‚ÐºÐ°Ñ . Сопоставлены полученные результаты с экспериментальными и теоретическими данными.

Keywords

Гидродинамика прикладная, Решетки профилей, Турбины

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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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