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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 3. Отображено 3.
28-07-2023 дата публикации

Turbine blade temperature correction method and device based on temperature test data

Номер: CN116502469A
Автор: CHENG RONGHUI, KOFUYU, GUO WEN, KANG YAJIE, ZHU XIAOHUA, WANG CHAO, SHI JIAWEI, ZHOU YINGLU, WANG SIYI
Принадлежит:

The invention relates to the technical field of aero-engine turbine blade design, and discloses a turbine blade temperature correction method and device based on temperature test data, and the method comprises the steps: carrying out the partitioning of a turbine blade, and obtaining a corrected simulation node temperature value in each partition based on the temperature measurement data of a temperature measurement point; the corrected simulation node temperature value is closer to an actual temperature field in a use environment, the turbine blade temperature simulation precision and reliability are improved, it is ensured that blade strength evaluation can be carried out more accurately, important support is provided for turbine blade design and even development of a whole engine, and the method has good engineering practical value; direct high-fidelity application of limited test data in turbine blade temperature simulation is achieved, the economic cost is low, the utilization efficiency ...

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Номер записи: 1
28-07-2023 дата публикации

Turbine blade margin plate heat exchange boundary construction method

Номер: CN116502369A
Автор: CHENG RONGHUI, KOFUYU, ZHANG SHAOPING, ZHU XIAOHUA, WANG SIYI, KANG YAJIE, WANG CHAO, SHI JIAWEI, ZHOU YINGLU, LI KUN
Принадлежит:

The invention provides a turbine blade margin plate heat exchange boundary construction method, and relates to the field of aero-engines. Comprising the following steps: S1, acquiring geometrical characteristic parameters of a single-blade margin plate surface, and constructing an outer ring side line and an inner ring side line; s2, obtaining a front edge endpoint coordinate and a rear edge endpoint coordinate of an inner ring side line, and dividing the inner ring side line into a blade basin curve and a blade back curve; obtaining the coordinates of a front edge line projection point and a rear edge line projection point through the projection of the front edge end point and the rear edge end point on the front edge line and the rear edge line; s3, physical parameters for constructing a single-blade marginal plate surface heat exchange boundary are obtained; s4, constructing a runner edge plate surface between two adjacent blades, and dividing the runner edge plate surface into orthogonal ...

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Номер записи: 2
25-04-2023 дата публикации

Intelligent positioner capable of being quickly disassembled and assembled

Номер: CN116009036A
Автор: JIN XINGXIANG, ZHOU YINGLU
Принадлежит:

The invention relates to the technical field of steering lamps, in particular to an intelligent positioner capable of being quickly disassembled and assembled. According to the quick-mounting and quick-dismounting type brake warning lamp, the quick-mounting and quick-dismounting module is arranged, the brake warning lamp can be mounted and attracted to the iron surface of a bicycle, a motorcycle and the like through the magnetic attraction module, and the brake warning lamp can also be mounted on a frame in a hoop embracing and back clamping mode, so that quick dismounting and mounting are achieved, and the use and maintenance efficiency of the steering warning lamp is improved; and the system can be applied to public non-motor vehicles such as shared bicycles and the like to remind rear vehicles and pedestrians of the steering direction of the bicycle and warn the rear vehicles and pedestrians to pay attention to safety, so that traffic accidents are reduced, and the road traffic safety ...

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Номер записи: 3