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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 8. Отображено 8.
25-04-2023 дата публикации

Method for determining shale gas production stage based on desorption gas drying coefficient evolution

Номер: CN116008411A
Автор: HE XIPENG, GAO YUQIAO, HE GUISONG, ZHANG PEIXIAN, LIU MING, GAO QUANFANG
Принадлежит:

The invention discloses a method for determining a shale gas production stage based on desorption gas drying coefficient evolution. The method comprises the following steps: performing pressure-maintaining coring to obtain a shale sample, and performing liquid nitrogen low-temperature sealing storage; the rock core sample is placed in a desorption tank for a desorption experiment; reading a stage desorption gas amount and collecting a stage gas sample; calculating the accumulated desorption gas capacity of each stage, and calculating the desorption rate; performing component test analysis on the gas in each stage; calculating a drying coefficient C1/C1-5; an evolution curve of the cumulative desorption rate of the shale gas stage and the drying coefficient C1/C1-5 is established, and a model for predicting the shale gas production stage through shale gas drying coefficient evolution is established. According to the method, the experimental condition requirement is moderate, the equipment ...

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Номер записи: 1
04-07-2023 дата публикации

Wiring method for high-temperature strain gauges of blades of middle-stage blisk of gas compressor

Номер: CN116380295A
Автор: LIU MEIRU, ZHONG HUAGUI, ZHANG WENXUE, TENG GUANGRONG, ZHANG YA, FU SHUNGUO, WANG YANFENG, HE XIPENG, JI ZELIANG
Принадлежит:

The invention provides a wiring method for high-temperature strain gauges of blades of an intermediate-stage blisk of a gas compressor, and belongs to the technical field of high-temperature dynamic stress testing of gas compressors of aero-engines. Through holes are formed in the centers of the front-stage blisk and the middle-stage blisk, an armored wire penetrates through the through hole of the front-stage blisk, a pin wire of the strain gauge extends to the position of the through hole of the middle-stage blisk to be tested, and the pin wire of the strain gauge is reserved; the tested middle-stage blisk is installed on the installation edge of the front-stage blisk, in the installation process, the armored wire on the front-stage blisk penetrates through the through hole in the tested middle-stage blisk, and switching of the armored wire and the pin wire is carried out on the rear side plane of the tested middle-stage blisk. According to the invention, the reliability of the dynamic ...

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Номер записи: 2
04-07-2023 дата публикации

Axial force calibration device of mouse cage stress ring composite structure

Номер: CN116380337A
Автор: JIAO JIANGKUN, YANG FEIBING, LIU MEIRU, GAO WEIQIANG, WEI JINGLAN, XIAO XIAO, HE XIPENG, FU SHUNGUO, YANG ZHENGBING
Принадлежит:

The invention relates to the technical field of axial force measurement of aero-engines, and discloses an axial force calibration device of a mouse cage stress ring composite structure, two calibration tests under pressing and pulling loading can be completed at a time without dismounting in the calibration process, the test process is simplified, and the test efficiency is improved. After the loading force arms correspond to the stress loading grooves through adjustment and positioning is completed, the loading ends of the loading force arms extend into the corresponding stress loading grooves so that the loading ends can be attached to the stress loading grooves, point contact is avoided, and therefore the force applied to the first pressing plate or the second pressing plate by the loading force arms is more uniform; the stress dispersing holes are formed in the stress loading grooves and can be formed in the stress concentration positions of the stress loading grooves, so that the problem ...

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Номер записи: 3
07-10-2015 дата публикации

System for II 1 type boiler ceiling pipes of prevention and cure DG206017. 6 - explode hourglass

Номер: CN0204693366U
Автор: MA HONG, HE XIPENG, CUI XIONGHUA
Принадлежит:

The utility model discloses a system for II 1 type boiler ceiling pipes of prevention and cure DG206017.6 - explode hourglass, including following step: with on the II 1 type boilers of DG206017.6 - and each steam bypass pipe that steam cooled roof superheater entry collection case is connected and the neighbouring saturated steam fairlead of boiler center side all with steam cooled roof superheater entry collection case on collection channel nozzle seat break off brachymemma, first return bend of rethread and second return bend will break off and the brachymemma after each steam bypass pipe and saturated steam fairlead interconnect rather than neighbouring, form the steam flow after transforming, and install the flush end additional approximately on the collection channel nozzle seat of disconnection, install a first gallows and second gallows again additional on first return bend and steam bypass pipe. The utility model discloses can prevent and treat II 1 type boiler ceiling pipes of ...

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Номер записи: 4
11-04-2023 дата публикации

Dynamic stress test line switching method for disc separation fan rotor blade

Номер: CN115950639A
Автор: HE XIPENG, LIU MEIRU, GAO WEIQIANG, YANG ZHENGBING, FU SHUNGUO, TENG GUANGRONG, JIAO JIANGKUN, WEI JINGLAN, WANG QIANG, JI ZELIANG
Принадлежит:

The invention provides a dynamic stress test line switching method for a disc separation fan rotor blade. The dynamic stress test line switching method comprises the following steps: step 1, leading a switching lead of a strain gauge on the blade to one side of a front baffle ring at the end surface of a fan blade disc; 2, one end of a dynamic measurement lead is connected to a telemetering system, and the other end of the dynamic measurement lead penetrates through a threading hole in a fan booster stage hub cylinder and is led out to one side of a front baffle ring of the end face of a fan blade disc; and step 3, on one side of the front baffle ring of the end face of the fan blade disc, the switching lead and the dynamic measurement lead are connected in a staggered manner. According to the dynamic stress test line switching method provided by the invention, the problem of dynamic test signal transmission caused by the structural restriction and the influence of the assembly sequence ...

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Номер записи: 5
30-05-2023 дата публикации

Precision compensation method for engine turbine rotor blade high-temperature dynamic stress test

Номер: CN116181425A
Автор: TENG GUANGRONG, LIANG ENBO, LI SHENGXIANG, HE WEI, WANG YANFENG, LIU MEIRU, WANG JINHONG, ZHANG WENXUE, LIU JING, WANG QIANG, HE XIPENG
Принадлежит:

The invention provides a precision compensation method for a high-temperature dynamic stress test of an engine turbine rotor blade, and belongs to the technical field of aero-engine strength tests and testing. Designing a finite element simulation model and a mechanical strain transmission path for high-temperature strain gauge measurement, and carrying out high-temperature strain measurement precision influence factor analysis on the basis of high-temperature strain dynamic calibration; an influence rule of influence factors such as a fixing mode, an installation error, a sensitive grid wire characteristic, a sensitive grid shape and a measured material characteristic on the measurement precision in a contact type high-temperature strain measurement link is obtained; and designing a high-temperature strain measurement precision correction model, and performing precision compensation on a contact type high-temperature dynamic stress test result of the aero-engine turbine rotor blade. According ...

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Номер записи: 6
19-08-2015 дата публикации

Method and system for prevention and treatment of burst leakage of roof pipe of DG2060/17.6-II1 type boiler

Номер: CN104848195A
Автор: MA HONG, HE XIPENG, CUI XIONGHUA
Принадлежит:

The invention discloses a method and system for prevention and treatment of burst leakage of a roof pipe of a DG2060/17.6-II1 type boiler. The method comprises the following steps that various steam bypass pipes, connected with a roof superheater inlet collection box, of the DG2060/17.6-II1 type boiler and adjacent saturated steam outlet pipes on the center side of the boiler are disconnected with a collection box connecting pipe base on the roof superheater inlet collection box and are cut to be shorter, then the disconnected and cutoff steam bypass pipes and the adjacent saturated steam outlet pipes are connected with each other through first elbow pipes and second elbow pipes, the improved steam process is formed, a flat end cover is additionally installed on the disconnected collection box connecting pipe base, and finally first branch hanging brackets and second branch hanging brackets are additionally installed on the first elbow pipes and the steam bypass pipes. The method and system ...

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Номер записи: 7
02-06-2023 дата публикации

Physical and chemical inspection supervision method for nuclear-grade high-temperature component of high-temperature gas cooled reactor

Номер: CN116206785A
Автор: JIA JINGJING, WANG QINGWU, XU AN, HE XIPENG, SUN HAIXUAN, ZHAO YANG, XU HUAFENG, LI ZHENG, MA GANG
Принадлежит:

The invention discloses a high-temperature gas cooled reactor nuclear-grade high-temperature component physical and chemical inspection supervision method which comprises the following steps: S1, according to a nuclear-grade high-temperature component judgment basis, performing range screening and defining operation conforming to a nuclear-grade high-temperature component on each component of a high-temperature gas cooled reactor to form a plurality of inspection items; s2, preparing inspection conditions, and preparing inspection instruments and inspection consumables according to inspection technology requirements; s3, performing inspection technology selection according to physical and chemical inspection requirements of parts corresponding to different inspection items, and performing inspection area determination on each inspection technology; and S4, carrying out inspection, completing the establishment of an inspection file, carrying out inspection period judgment on the inspection ...

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Номер записи: 8