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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Применить Всего найдено 6. Отображено 6.
08-08-2023 дата публикации

Water quality simulation method and system and water pollution monitoring and analyzing device

Номер: CN116562185A
Автор: MENG WANWAN, LU XUHENG, PENG YONGQIN, ZHANG CHUNZE, YANG SHUQING, DIAO WEI, QIN JIANAN, XU QIHANG
Принадлежит:

According to the water quality simulation method and system and the water pollution monitoring and analyzing device, iterative calculation is not needed, the calculation efficiency can be effectively improved, and the water pollution evolution process can be quickly and accurately simulated and predicted. The water quality simulation method comprises the following steps: (1) a coupling strategy of a one-dimensional water quality model and a two-dimensional water quality model: coupling the one-dimensional water quality model and the two-dimensional water quality model to obtain a one-dimensional and two-dimensional coupling water quality model, and processing an interface of coupling calculation of the one-dimensional water quality model and the two-dimensional water quality model through a distribution function based on a microscopic level; regarding a coupling interface as an internal node in a one-dimensional computational domain; the unknown distribution function of the node is calculated ...

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Номер записи: 1
30-06-2023 дата публикации

Hydrodynamic combined calculation model construction method, system, equipment and medium

Номер: CN116362146A
Автор: PENG PEIYI, DIAO WEI, HOU JI, PENG YONGQIN, MENG WANWAN, ZHANG CHUNZE, LI XIANGQUAN
Принадлежит:

The invention belongs to the technical field of computational hydraulics, and aims to provide a method, a system, equipment and a medium for constructing a hydrodynamic combined calculation model. According to the method, the two-dimensional model and the three-dimensional model in the initial hydrodynamic force combined calculation model are coupled, the unification of boundary model parameters in the two-dimensional model and the three-dimensional model is realized, and the hydrodynamic force combined calculation model is established, so that the large-scale reservoir boundary water flow condition and the hydrodynamic force combined calculation model can be conveniently calculated. The technical effect of accurately depicting changes and distribution conditions of the water depth and the flow velocity in a three-dimensional space in a large reservoir range is achieved, the advantages of high efficiency of a two-dimensional model and good accuracy of a three-dimensional model are brought ...

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Номер записи: 2
30-06-2023 дата публикации

Heat and mass transfer flow multi-field coupling LB simulation method and system and storage medium

Номер: CN116362152A
Автор: DIAO WEI, PENG PEIYI, PENG YONGQIN, ZHANG XUJIN, YANG SHUQING, YANG WENYUAN
Принадлежит:

The invention discloses a heat and mass transfer flow multi-field coupling LB simulation method and system and a storage medium, and the method comprises the steps: obtaining initial parameters of a target water body, importing a set heat and mass transfer flow multi-field coupling LB model, and carrying out the simulation operation, so as to obtain the flow velocity distribution information, temperature distribution information and pollutant concentration distribution information of the target water body; and a three-dimensional space distribution diagram of the flow field, the temperature field and the concentration field of the target water body is accurately described and output. The total energy distribution LB model and the passive scalar model are combined by introducing the acting force item, the flow velocity participates in calculation of the temperature and the concentration, the acting force can be calculated by the concentration and the temperature and reacts on the flow field ...

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Номер записи: 3
23-06-2023 дата публикации

Hydrodynamic free surface LB simulation method and system and storage medium

Номер: CN116306279A
Автор: PENG PEIYI, DIAO WEI, PENG YONGQIN, ZHANG XUJIN, YANG WENYUAN
Принадлежит:

The invention discloses a hydrodynamic free surface LB simulation method and system and a storage medium, and the method comprises the steps: obtaining initial parameters of a target water body, importing a set three-dimensional hydrodynamic free surface LB model, and carrying out the simulation calculation, so as to obtain the free water surface data, flow velocity data and pressure data of the target water body based on time and space; and a three-dimensional space distribution diagram of the free water surface, the flow velocity and the pressure of the target water body is accurately described and output. Based on a traditional single-phase free surface LB model, the acting force item is subjected to second-order precision improvement, and after the single-phase free surface LB model is combined with a surface tension model and an SGS large-vortex model, efficient and accurate three-dimensional simulation of the free water surface, the flow field and the pressure of a target water body ...

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Номер записи: 4
05-08-2015 дата публикации

Biological sludge zero-discharge sewage treatment plant and method

Номер: CN104817237A
Автор: ZUO NING, MU DEWEI, HE JINCHAO, WANG TUJIN, MA XIQIN, PENG YONGQIN, LI XIA
Принадлежит:

The invention provides a biological sludge zero-discharge sewage treatment plant and method embedded with an activated sludge/inorganic sand separator. The plant comprises an OSA sludge reduction main body composed of an aeration tank, a secondary sedimentation tank and an anaerobic uncoupling tank, wherein an activated sludge/inorganic sand separator is embedded in a return sludge pipeline; the bottom of the anaerobic uncoupling tank is connected with a feed port of the biological sludge/inorganic sand separator through a return sludge pipe; an overflow sludge discharge port of the biological sludge/inorganic sand separator is connected with an inlet end of the aeration tank through a return sludge pipe; and an underflow opening of the biological sludge/inorganic sand separator discharges surplus sludge through a sludge pipe. The plant and method can enhance the sludge reduction effect, and the discharged surplus sludge uses the inorganic sand instead of the activated sludge, thereby effectively ...

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Номер записи: 5
19-05-2023 дата публикации

Water hammer protection device, system and method for drainage gallery beside ship lock

Номер: CN116136087A
Автор: ZHANG XUJIN, GUO TAO, DIAO WEI, PENG YONGQIN, MA XIQIN, ZHANG YONG, LI YAN, XIE CHUNHANG, CHEN LIANG, XU QIHANG, YUAN HAO, PENG PEIYI, MENG WANWAN
Принадлежит:

The invention relates to the technical field of water transportation engineering, and particularly discloses a water attack protection device, system and method for a drainage gallery beside a ship lock. The water attack protection device comprises a water storage cavity, a connecting pipe is arranged at the bottom of the water storage cavity, one end of the connecting pipe communicates with the water storage cavity, and the other end of the connecting pipe communicates with the water storage cavity; the other end of the connecting pipe is used for being communicated with a drainage gallery; the adjustable energy dissipation mechanism is arranged in the water storage cavity, so that when the water body in the water storage cavity flows to the drainage gallery, the water body in the water storage cavity quickly flows to the drainage gallery by adjusting the energy dissipation mechanism; and when the water body in the drainage gallery flows to the water storage cavity, the water flow resistance ...

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Номер записи: 6