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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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Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
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Применить Всего найдено 9. Отображено 9.
23-06-2023 дата публикации

Human body posture estimation and grid recovery method based on skin multi-person linear model

Номер: CN116310103A
Автор: FANG QIN, BAO FUBING, WANG XU, XU YEHONG, LIN JIANDIE
Принадлежит:

The invention discloses a human body posture estimation and grid recovery method based on a skin multi-person linear model. Firstly, a three-dimensional human body model is obtained through a human body grid recovery algorithm framework; secondly, dividing a three-dimensional human body model derived from a human body grid recovery algorithm by using a dense human body posture conversion algorithm, providing complete space coverage for a person, and meanwhile, reserving enough information about partial arrangement; then, dimension reduction is conducted on the three-dimensional human body model through a double-mapping IUV projection drawing, and diversified simulation is conducted through a three-dimensional human body skin multi-person linear model data set. And finally, completing attitude estimation and grid recovery through cross distribution alignment two-dimensional fusion. According to the invention, the data processing capability for a complex environment is improved, and a more ...

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Номер записи: 1
06-07-2016 дата публикации

A micro -fluidic chip for generating globular microbubble

Номер: CN0205361202U
Автор: XIANG SUJUAN, BAO FUBING, TU CHENGXU, LIN JIANZHONG
Принадлежит:

... 本实用新型公开了一种用于生成球状微气泡的微流控芯片。本实用新型由第一芯片和第二芯片键合而成，其中第一芯片内有两条液体微通道，一条气体微通道、微气泡生成通道和微气泡输出通道，两条液体微通道和气体微通道交界处存在一定角度的夹角；第二芯片内有与第一芯片结构尺寸相同的液体微通道、气体微通道和微气泡输出通道，但没有微气泡生成微通道。本实用新型突破了微流元件生成的微气泡在结构形状方面的局限性。 ...

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Номер записи: 2
06-07-2016 дата публикации

Prevent producing volute pump of cavitation

Номер: CN0205371105U
Автор: ZHAO FEI, BAO FUBING, LIN JIANZHONG
Принадлежит:

... 本实用新型公开了一种防产生汽蚀的旋涡泵。本实用新型包括泵体、阀门、回流支路、压入口、压出口，所述回流支路连接在泵体上的压入口和压出口之间，通过开关阀门控制回流支路，所述回流支路用于将压出口的部分液体回流到压入口中，使压入口处工质液体压强提高。由于汽蚀性能得到改善，由汽蚀现象产生的气泡减少，同时减弱了气泡破裂对叶轮和泵体的冲击，降低了旋涡泵运行时的振动和噪音，提高了旋涡泵的使用寿命。 ...

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Номер записи: 3
15-03-2018 дата публикации

LOW-NOISE, SELF-PRIMING AND COMPOSITE PUMP

Номер: WO2018045606A1
Автор: TU, Chengxu, BAO, Fubing, CHEN, Rongguo, YAN, Zhenghui, CHEN, Zhiping, CHEN, Hailin
Принадлежит:

A low-noise, self-priming and composite pump. According to the low noise self-priming composite pump, a diffusion guide vane (16) and a guide disc (17) of a conventional self-priming jet pump are replaced with a high-hydraulic-performance and high-efficiency centrifugal vortex chamber (7) having a single separating tongue (9) and a single outlet or having multiple separating tongues (9) and multiple outlets. A single-inlet flow channel (1) is designed to reasonably guide a centrifugally accelerated fluid to a distribution pumping chamber (13) or a distribution tee joint (14), so that scraping between the guide vane (16) as well as the guide disc (17) and a centrifugal impeller (10), and the strong impact of a high speed fluid to the guide vane (16) and the guide disc (17) are fundamentally eliminated, transitional flow between the centrifugal vortex chamber (7) and the distribution pumping chamber (13) or the distribution tee joint (14) is more smooth, and flow loss and flow noise are smaller ...

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Номер записи: 4
26-05-2023 дата публикации

Strain gauge-based pressure measurement method for collapse of cavitation bubbles near rigid wall surface

Номер: CN116164877A
Автор: CHEN ZEWU, KAN MENGWEN, ZHU JUNWEI, ZHANG MINGYANG, CHEN JI, XIA XUFENG, GUO LUYAO, TU CHENGXU, BAO FUBING, ZHAO YALEI
Принадлежит:

The invention discloses a strain gauge-based pressure measurement method for collapse of cavitation bubbles near a rigid wall surface. A strain gauge on a solid rigid wall surface serves as a pressure sensitive unit and is connected with a dynamic pressure acquisition system through a strain gauge half-bridge circuit connection method, a digital delay trigger triggers a pulse laser to generate pulse laser, and cavitation bubbles are generated in a water tank through a beam expanding and focusing light path system; the pressure generated by collapse of the cavitation bubbles acts on the surface of the sensitive grid of the strain gauge, and a generated strain signal is multiplied by the elastic modulus of the sensitive grid to obtain the dynamic pressure of collapse of the tiny cavitation bubbles near the solid rigid wall surface. According to the invention, the strain gauge is used as a pressure measurement sensor, the dynamic pressure generated by collapse of cavitation bubbles near the ...

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Номер записи: 5
27-06-2023 дата публикации

Method for reconstructing human body model based on coder-decoder network

Номер: CN116342803A
Автор: YANG YANG, BAO FUBING, DU PENGFEI, HUANG YE, LIN JIANDIE
Принадлежит:

The invention discloses a method for reconstructing a human body model based on a coder-decoder network. According to the method, point cloud data collected by a depth camera is used as input, a model generated by the input data is corrected to a T-shaped standard posture through a coder-decoder network, model shape vector and posture vector parameters are predicted through a built neural network model, the predicted parameters are applied to a human body parameterized model, and the human body parameterized model is obtained. Therefore, a clear and complete human body model is reconstructed. The processing time is short, the algorithm is simple, the calculation efficiency of the model is greatly improved, the accuracy of the T-shaped standard posture is improved, the collected object does not need to keep the standard posture all the time in the collection process, and the collection difficulty is greatly reduced.

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Номер записи: 6
09-05-2023 дата публикации

Method for measuring dynamic pressure of cavitation bubble near elastic wall surface based on stress microscope

Номер: CN116086687A
Автор: XIA XUFENG, KAN MENGWEN, CHEN JI, CHEN ZEWU, GUO LUYAO, LI SHIYU, ZHAO JUNJIE, LIU MOFEI, ZHU JUNWEI, ZHANG MINGYANG, BAO FUBING, TU CHENGXU, ZHAO YALEI
Принадлежит:

The invention discloses a dynamic pressure measuring method for cavitation bubbles near an elastic wall surface based on a stress microscope. The method comprises the following steps: firstly, preparing PDMS gel containing fluorescent particles, and placing the gel below a laser focus point as an elastic wall surface for a cavitation collapse experiment; then generating cavitation bubbles in the deionized water by a laser; the cavitation bubbles act on the gel in the collapse process, so that the fluorescent particles in the gel displace along with the deformation of the gel; capturing the displacement by a high-speed camera by irradiation of a continuous laser; and the obtained displacement image is processed and calculated to obtain a velocity field of the fluorescent particles, and then the dynamic pressure generated by cavitation collapse is deduced reversely. According to the invention, the gel is used as an elastic wall surface condition, and the fluorescent particles in the gel are ...

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Номер записи: 7
18-04-2023 дата публикации

Dynamic weighing method flow standard device based on magnetic fluid multistage sealing system

Номер: CN115979389A
Автор: ZHUO YINJIE, TU CHENGXU, WANG JIAXIANG, CHEN WEIJIE, SHI QINGSONG, ZOU YITING, BAO FUBING
Принадлежит:

The invention discloses a dynamic weighing method flow standard device based on a magnetofluid multistage sealing system. The device comprises a high-pressure dilution gas source, a liquid storage tank, a buffer tank, a detected flowmeter, a weighing storage tank and a high-precision weighing unit, a high-pressure dilution gas source is connected with an inlet of a liquid storage tank, an outlet of the liquid storage tank is connected with an inlet of a buffer tank, a detected flowmeter is arranged between the liquid storage tank and the buffer tank, an outlet of the buffer tank adopts a magnetic fluid sliding sealing connection mode, and an outlet pipeline of the buffer tank is also in magnetic fluid sliding sealing connection with an inlet of a weighing tank body. The weighing tank body is placed on the high-precision weighing unit, and instantaneous dynamic mass weighing is carried out. According to the magnetofluid sealing system, direct friction between a sealing pipeline and a sealing ...

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Номер записи: 8
27-07-2016 дата публикации

Difficult double entry pump that produces cavitation

Номер: CN0205401152U
Автор: ZHAO FEI, BAO FUBING, TU CHENGXU, LIN JIANZHONG, YIN ZHAOQIN
Принадлежит:

... 本实用新型公开了种不易产生汽蚀的双吸泵。本实用新型包括压出口、泵体、阀门、回流回路、叶轮入口，其中，回流回路包括支路和干路两个部分，连接在叶轮入口和压出口之间，通过阀门控制回流回路，将压出口的部分液体回流到叶轮入口中，所述的回流回路的干路连接在压出口处，然后分为二，分成两个等大的支路，分别连接在泵体左右两侧的叶轮入口处，回流回路平滑，干路内径为出口管径的1/11?1/9，每个支路的横截面积为干路的二分之。本实用新型在叶轮入口和压出口之间连接个回流回路，将压出口的部分高压液体回流到叶轮入口低压区域处，提升叶轮入口处液体的压强，使叶轮入口处低压区的压强大于汽化压强，从而使双吸泵不易发生汽蚀。 ...

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Номер записи: 9