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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 15. Отображено 15.
14-04-2023 дата публикации

Method and device for determining heat transfer coefficient of heat exchanger, electronic equipment and medium

Номер: CN115964870A
Автор: HE TAO, DAI LU, ZHAO ZHENXING, KE HANBING, CAO GUANGMING, XU GUANGZHAN, LIU YONG, DAI CHUNHUI, XIAO QI, WEI ZHIGUO, LI BANGMING
Принадлежит:

The invention provides a heat transfer coefficient determination method and device of a heat exchanger, electronic equipment and a medium. The method comprises the steps that the actually-measured temperature of at least one monitoring point in a target heat exchanger and preset heat transfer coefficients corresponding to multiple to-be-monitored areas in the target heat exchanger are determined; performing thermal analysis on the target heat exchanger based on the actually measured temperature of the at least one monitoring point and the preset heat transfer coefficients corresponding to the multiple to-be-monitored areas, and determining the simulation temperature of the at least one monitoring point; and based on the simulation temperature of the at least one monitoring point and the actually measured temperature of the at least one monitoring point, optimizing the preset heat transfer coefficients corresponding to the plurality of to-be-monitored areas to obtain target heat transfer ...

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Номер записи: 1
09-05-2023 дата публикации

Honeycomb interlayer vibration isolation base design method and device

Номер: CN116090098A
Автор: CAO GUANGMING, KE ZHIWU, ZHAO ZHENXING, DAI LU, KE HANBING, HE TAO, LI SHAODAN, MA CAN, WU MUYUN, DAI CHUNHUI, ZHENG ZHAOLI, SONG PING, XU GUANGZHAN, YANG XIAOHU, LYU WEIJIAN, LIU YONG, LI YONG, LI BANGMING, LIAO MENGRAN
Принадлежит:

The invention provides a honeycomb interlayer vibration isolation base design method and device, and relates to the field of base design, and the method comprises the steps: obtaining a plurality of groups of base design parameters based on a preset honeycomb core width threshold value, a preset honeycomb core spacing threshold value, a preset honeycomb core thickness threshold value and a preset rib plate thickness threshold value, each group of base design parameters comprises one piece of honeycomb core width information, one piece of honeycomb core spacing information, one piece of honeycomb core thickness information and one piece of rib plate thickness information; inputting each group of base design parameters into preset analysis software, and outputting acceleration vibration level total fall information and base weight information corresponding to each group of base design parameters; based on the acceleration vibration level total fall information and the base weight information ...

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Номер записи: 2
09-05-2023 дата публикации

Two-phase stamping underwater propulsion system containing non-condensable gas

Номер: CN116080881A
Автор: GOU JINLAN, XIAO QI, LI BANGMING, CHEN KAI, ZOU ZHENHAI, WANG RUIQI, LIU ZIPING, LI YONG, WU JUN, HE TAO
Принадлежит:

The invention discloses a two-phase stamping underwater propelling system containing non-condensable gas. The two-phase stamping underwater propelling system comprises a two-phase stamping underwater propeller, a steam generator and a non-condensable gas generating device. The two-phase stamping underwater propeller comprises an air inlet assembly, a steam flow channel and a non-condensable flow channel. The front end of the gas inlet assembly comprises a water inlet runner; the steam flow channel and the axis of the air inlet assembly are vertically arranged on the side wall of the air inlet assembly, and the air outlet end of the steam flow channel is arranged at the tail end of the air inlet assembly; the non-condensable gas flow channel wraps the periphery of the steam flow channel, and non-condensable gas enters the water inlet flow channel through the space between the outer wall of the steam flow channel and the inner wall of the non-condensable gas flow channel; an air outlet of ...

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Номер записи: 3
30-05-2023 дата публикации

Intelligent retrieval recommendation method and system

Номер: CN116186381A
Автор: WANG JUNRONG, LI BANGMING, LI YONG, PANG JIE, ZHANG YUJING, GU XIWU, XIAO QI, WU JUN, YANG XIAOHU
Принадлежит:

The invention provides an intelligent retrieval recommendation method and system. The method comprises the steps that semantic tags corresponding to all documents in a corpus, entities corresponding to all the documents and the relation between the entities are determined; based on entities corresponding to the documents in the corpus, relationships between the entities and a trained transE model, constructing a fragmented knowledge network; based on a search word input by a user, determining a search result matched with the search word; and according to the user portrait of the user, determining a recommendation sequence of each target document in the target document set. According to the method provided by the invention, the user can obtain the required related document according to the search word and simultaneously obtain other fragmented knowledge associated with the semantic tag of the document, in addition, recommendation priority ranking can be carried out on all the retrieved documents ...

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Номер записи: 4
11-08-2023 дата публикации

Structural component assembly method and system, electronic equipment and storage medium

Номер: CN116572000A
Автор: CAO GUANGMING, KE ZHIWU, LI SHAODAN, LIU YONG, DAI LU, ZHAO ZHENXING, HE TAO, LAO XINGSHENG, MA CAN, LI BANGMING, CHEN LIE, LYU WEIJIAN, ZHENG ZHAOLI, XU GUANGZHAN
Принадлежит:

The invention discloses a structural part assembling method and system, electronic equipment and a storage medium, and relates to the technical field of equipment assembly.The method comprises the steps that a driving device is controlled to drive the movable end of a fastener to move relative to the fixed end of the fastener based on all candidate control gears, obtaining a normal stress measurement value between the first structural member and the second structural member under each candidate control gear; determining a target control gear from the candidate control gears based on a difference value between the normal stress measurement value and the normal stress target value under each candidate control gear; and controlling the driving device based on the target control gear. According to the method and the system provided by the invention, the assembly accuracy of the structural part is improved, and the stability of the assembly performance of the structural part in a long-term service ...

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Номер записи: 5
30-06-2023 дата публикации

Compact mixing condenser

Номер: CN116358315A
Автор: HUANG CHONGHAI, LI BANGMING, LI YONG, ZHOU HONGKUAN, CHAI YINGHUA, GOU JINLAN, PANG JIE, ZOU ZHENHAI, XU GUANGZHAN
Принадлежит:

The invention provides a compact mixing condenser, which relates to the technical field of condensers and comprises a body, a cooling water tank and an air exhaust structure. The body has an accommodating cavity; the cooling water tank and the air exhaust structure are arranged in the accommodating cavity; the air exhaust structure is connected to the bottom of the cooling water tank, the air exhaust structure is provided with an air exhaust cavity and an air exhaust inlet, and the air exhaust cavity communicates with the containing cavity through the air exhaust inlet; a standby air exhaust hole and a self-sealing assembly are further arranged on the side portion of the air exhaust structure, the self-sealing assembly can seal the standby air exhaust hole under driving of the acting force of the self-sealing assembly, and the self-sealing assembly can open the standby air exhaust hole when the sum of the pressure of the air exhaust cavity and the acting force of the self-sealing assembly ...

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Номер записи: 6
25-04-2023 дата публикации

Anti-fatigue control method and device for water diversion port of self-flow cooling system of ship

Номер: CN116006309A
Автор: CAO GUANGMING, ZHAO ZHENXING, DAI LU, KE HANBING, ZHANG KELONG, HE TAO, LI SHAODAN, MA CAN, WU MUYUN, DAI CHUNHUI, ZHENG ZHAOLI, SONG PING, XU GUANGZHAN, YANG XIAOHU, LYU WEIJIAN, LIU YONG, LI YONG, LI BANGMING, LIAO MENGRAN
Принадлежит:

The invention provides an anti-fatigue control method and device for a water diversion port of a ship self-flowing cooling system. The method comprises the steps that a target value of the circulation flow demand of the ship self-flowing cooling system is obtained; acquiring a target rotating speed of the circulating pump based on the target value; controlling a circulating pump based on the target rotating speed; wherein the target rotating speed is the rotating speed, enabling the target performance of the water diversion port corresponding to the circulating pump to be maximum, in the first rotating speeds of the circulating pump; the target performance is determined based on the vibration intensity of the water diversion port and the operation power of the circulating pump; the first rotating speed is the rotating speed enabling the real-time circulating flow of the self-flowing cooling system of the ship to be larger than a target value in the rotating speeds of the circulating pump ...

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Номер записи: 7
14-07-2023 дата публикации

Hydraulic pipeline vibration regulation and control method and device and hydraulic pipeline system

Номер: CN116428241A
Автор: CAO GUANGMING, ZHAO ZHENXING, DAI LU, KE HANBING, HE TAO, LI SHAODAN, MA CAN, WU MUYUN, ZHENG ZHAOLI, SONG PING, XU GUANGZHAN, YANG XIAOHU, LYU WEIJIAN, LIU YONG, LI YONG, LI BANGMING, LIAO MENGRAN, GOU JINLAN
Принадлежит:

The invention relates to the technical field of hydraulic systems, and provides a hydraulic pipeline vibration regulation and control method and device and a hydraulic pipeline system.According to the method, a predetermined corresponding relation is introduced, a combination meeting the minimum pressure requirement is screened out, and the pressure regulation requirement of the hydraulic pipeline system can be rapidly met. The vibration strength of the pipe joint under each combination configuration is obtained, and the target combination with the minimum vibration strength of the pipe joint is selected to configure the hydraulic pipeline system, so that the minimum vibration strength of the pipe joint can be ensured, and the problem of vibration crack of the pipe joint caused by pipeline vibration is effectively relieved.

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Номер записи: 8
11-04-2023 дата публикации

Single-camera double-color PLIF measuring device and measuring method

Номер: CN115950549A
Автор: WANG RUIQI, WEI ZHIGUO, ZOU ZHENHAI, CHEN KAI, PANG JIE, HUANG CHONGHAI, LI SHAODAN, LI BANGMING, KE ZHIWU
Принадлежит:

The invention discloses a single-camera double-color PLIF measuring device and a measuring method, an imaging lens, a light splitting filtering module, a first reflection adjusting module, a second reflection adjusting module and an image combining module are integrated to form an integral optical device, and the integral optical device is matched with a first laser and a single camera to form the single-camera double-color PLIF measuring device. The device can be used for testing a fluorescence signal-temperature relation curve in a to-be-tested working medium, so that the temperature distribution of a position is reversely measured according to a fluorescence signal obtained by a camera. According to the device, the difficulty and the complexity of optical adjustment are reduced, so that the adjustment and the use of an optical measurement part are more convenient; after the device is adjusted, the deviation between the double images presented by the camera is extremely small, and a special ...

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Номер записи: 9
28-04-2023 дата публикации

Two-phase condensation supercharging propulsion device

Номер: CN116022318A
Автор: XIAO QI, ZOU ZHENHAI, GOU JINLAN, LI BANGMING, WANG WEI, KE ZHIWU, KE HANBING, LIU ZIPING, LI YONG, XU GUANGZHAN
Принадлежит:

The invention discloses a two-phase condensation supercharging propulsion device which comprises an inlet section, a mixing supercharging section, a throat pipe section and an expansion section which are connected in sequence. Wherein a cold water inlet is formed in the end, away from the mixing pressurization section, of the inlet section, and a first gas tank, a second gas tank and a third gas tank which are sequentially communicated are arranged in the inlet section. Wherein an opening is formed in the top of the inlet section, one end of the high-pressure steam pipeline is vertically communicated with the first gas tank through the opening, a steam inlet is formed in the other end of the high-pressure steam pipeline, and a first non-condensable gas inlet is formed in the middle of the high-pressure steam pipeline. A first gas outlet is formed in the first gas tank, a second non-condensable gas inlet and a second gas outlet are formed in the second gas tank, and a third non-condensable ...

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Номер записи: 10
14-07-2023 дата публикации

Hydraulic pipeline fatigue relieving method and device and hydraulic pipeline system

Номер: CN116428240A
Автор: CAO GUANGMING, KE HANBING, DAI LU, ZHANG KELONG, HE TAO, LI SHAODAN, XU GUANGZHAN, MA CAN, WU MUYUN, DAI CHUNHUI, YANG XIAOHU, LYU WEIJIAN, LIU YONG, LI YONG, LI BANGMING, ZHENG WEI, ZHENG ZHAOLI, SONG PING
Принадлежит:

The invention relates to the technical field of hydraulic systems, and provides a hydraulic pipeline fatigue relieving method and device and a hydraulic pipeline system. According to the method, a predetermined corresponding relation among different rotating speed gears of a variable frequency pump, different opening numbers of bypass pipelines and pipeline pressure at an outlet of a pipe joint connected with driving equipment of the hydraulic pipeline system is introduced, a combination meeting the minimum pressure requirement is screened out, and the pressure adjusting requirement of the hydraulic pipeline system can be rapidly met. The normal stress intensity of the main pipeline under each combination configuration is obtained, and the target combination with the minimum normal stress intensity of the main pipeline is selected to configure the hydraulic pipeline system, so that the minimum normal stress intensity of the main pipeline can be ensured, and the problem of fatigue fracture ...

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Номер записи: 11
23-05-2023 дата публикации

Grid, self-flowing circulating system and ship system

Номер: CN116142374A
Автор: HE TAO, DAI LU, KE ZHIWU, CAO GUANGMING, WU MUYUN, ZHENG ZHAOLI, LIU YONG, WEI ZHIGUO, LI BANGMING, MA CAN
Принадлежит:

The invention provides a grating, a self-flowing circulating system and a ship system. The grating comprises a mounting frame and a plurality of grating bars, the mounting frame is connected with an inlet pipeline; the plurality of grid bars are uniformly arranged in the mounting frame, and two ends of the plurality of grid bars are respectively connected with the mounting frame; the cross section of the grid bar is in a water drop shape, and the large end of the water drop shape is an incident flow face. And under the condition that fluid passes through, the fluid can flow from the large end part to the small end part of the water drop shape. Vortex shedding generated at the small end parts of the grid bars when fluid is separated from the grid is reduced, fluid excitation is reduced, and system radiation noise is reduced. The original mounting structure of the grille is not changed, the change of pipelines of a ship system is small, the structural form is simple, and mounting is convenient ...

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Номер записи: 12
18-04-2023 дата публикации

Condenser and condenser assembly

Номер: CN115978840A
Автор: WANG RUIQI, PANG JIE, CHEN KAI, WEI ZHIGUO, LI BANGMING, HUANG CHONGHAI, WANG CHENYANG, LI YONG, KE HANBING
Принадлежит:

The invention discloses a condenser and a condenser assembly. The condenser comprises a steam inlet; a steam diversion section; the condensing section is arranged in the length direction of the condenser and comprises at least two condensing modules, each condensing module comprises at least two condensing sub-modules in the height direction of the condenser, each condensing sub-module comprises a plurality of condensing pipes, and the condensing pipes extend in the width direction of the condenser; and the diameters of the condensation pipes of all the condensation sub-modules in the condensation module are sequentially reduced in the direction of the condensation section from high to low. The condensation pipes are arranged in parallel with the short sides of the condenser, and the length of the condensation pipes is shortened compared with the long side parallel arrangement scheme, so that the thermal expansion deformation of the condensation pipes is reduced, and the flow-induced vibration ...

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Номер записи: 13
18-08-2023 дата публикации

Vibration reduction method and system for ship water diversion port

Номер: CN116608236A
Автор: CAO GUANGMING, ZHAO ZHENXING, DAI LU, KE HANBING, LI SHAODAN, LI BANGMING, LIU YONG, HE TAO, LAO XINGSHENG, MA CAN, CHEN LIE, LYU WEIJIAN, ZHENG ZHAOLI, XU GUANGZHAN, SONG PING
Принадлежит:

The invention provides a vibration reduction method and system for a ship water diversion port, and relates to the technical field of ship control, and the method comprises the steps: obtaining the overall vibration intensity value of the ship water diversion port corresponding to a plurality of piezoelectric vibration reduction circuits under the current working condition; each piezoelectric vibration reduction circuit is formed by combining piezoelectric patches laid on the inner wall of the ship water diversion port and different numbers of energy consumption units; according to the overall vibration intensity value, determining an optimal piezoelectric vibration reduction circuit corresponding to the current working condition in the plurality of piezoelectric vibration reduction circuits; and based on the optimal piezoelectric vibration reduction circuit, vibration reduction is carried out on the vibration intensity at the water diversion port of the ship. The current piezoelectric ...

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Номер записи: 14
28-04-2023 дата публикации

Test structure of modularized two-phase stamping propulsion device

Номер: CN116026559A
Автор: GOU JINLAN, XIAO QI, ZOU ZHENHAI, CHEN KAI, LI BANGMING, WEI ZHIGUO, WU JUN, WANG RUIQI, LIU ZIPING, ZHENG ZHAOLI
Принадлежит:

The invention discloses a test structure of a modularized two-phase stamping propulsion device. The test structure comprises an inner flow channel assembly, an air inlet assembly, a front assembly and an exhaust nozzle assembly. The air inlet assembly comprises a center channel, and the inner flow channel assembly and the center channel are detachably and coaxially embedded in the center channel. The end face of one end of the front assembly is connected with the front end faces of the inner flow channel assembly and the air inlet assembly at the same time. One end of the exhaust nozzle assembly is detachably connected with the rear end face of the air inlet assembly, and the interior of the exhaust nozzle assembly comprises an inner flow channel coaxial with the center channel. According to the test structure of the modularized two-phase stamping propulsion device, the two-phase stamping propulsion device is structurally decomposed, on one hand, the machining difficulty can be effectively ...

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Номер записи: 15