Zobrazeno 1 - 10
of 43
pro vyhledávání: '"Air door"'
Autor:
Wang Yongjing
Publikováno v:
Applied Mathematics and Nonlinear Sciences, Vol 9, Iss 1 (2024)
Mine fire is a very dangerous underground disaster. In order to better study the situation and influence range of mine fire, this paper uses Ventsim to establish a three-dimensional visual ventilation model of Yushuling coal mine. The fire simulation
Externí odkaz:
https://doaj.org/article/dc43fe16b51e4405ac2b952dc44c1a3e
Publikováno v:
Gong-kuang zidonghua, Vol 49, Iss 1, Pp 140-145, 161 (2023)
The supply air volume fluctuates in a large range or even interrupts during the switching process of mine main ventilators, which is easy to cause the gas concentration to exceed the limit. The commonly used model-based main ventilator switchover con
Externí odkaz:
https://doaj.org/article/1f0ca03adc054c7f880d6aaf947ee8b4
Autor:
Prapanca Adi Nugraha, Dian Saputra
Publikováno v:
Jurnal Mekanik Terapan, Vol 2, Iss 2, Pp 89-96 (2021)
Ram air door adalah sebuah deflector door untuk tempat masuk ambient air yang digerakan oleh ram air door actuator. Ram air door actuator menerima sinyal dari Air Conditioning Accessory Unit (ACAU) dan air conditioning pack. Berdasarkan data yang dih
Externí odkaz:
https://doaj.org/article/b994c922274442d3972611d778abe1b3
Autor:
CHENG Yulong, WANG Zuxun
Publikováno v:
Meikuang Anquan, Vol 51, Iss 9, Pp 101-103 (2020)
A state sensor for air door is designed based on ultrasonic technology and magnetically sensitive components. The air door structure of the main fan in the coal mine is introduced. The overall architecture of the state sensor for air door and the pri
Externí odkaz:
https://doaj.org/article/720e05c72db844e9ac05fe1d298db2a8
Publikováno v:
Sensors, Vol 22, Iss 18, p 6837 (2022)
The air-door is an important device for adjusting the air flow in a mine. It opens and closes within a short time owing to transportation and other factors. Although the switching sensor alone can identify the air-door opening and closing, it cannot
Externí odkaz:
https://doaj.org/article/2386b2c2ad3647a898d0cbf50c132b11
Autor:
YANG Zhanqi, HAO Tianxuan
Publikováno v:
Gong-kuang zidonghua, Vol 43, Iss 9, Pp 110-114 (2017)
In order to realize automatic adjustment and control of air volume during mine normal production or disaster relief, an intelligent monitoring and control system for mine ventilation safety was developed. Structure, hardware configuration and softwar
Externí odkaz:
https://doaj.org/article/579bf081dcfb4736bd2d442a34cf5867
Publikováno v:
Shock and Vibration, Vol 2021 (2021)
Considering the coal and gas outburst phenomenon in the mining space, this paper analyzes the main characteristics of coal and gas outburst accidents, defines the outburst airflow reversal degree, and constructs a simplified topology graph of tunneli
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a7007dd5a508737a57e111d0c109caec
https://doi.org/10.1155/2021/7975005
https://doi.org/10.1155/2021/7975005
Publikováno v:
Geofluids, Vol 2021 (2021)
In order to deeply explore the destructive effect of the impulsive airflow on the mine antioutburst door when coal and gas outbursts occur in underground coal mines, a large-scale coal and gas outburst dynamic effect simulation experiment device is u
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::839dfeacbcb43eb4f7a357bd611f200d
https://doi.org/10.1155/2021/5552949
https://doi.org/10.1155/2021/5552949
Akademický článek
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Publikováno v:
Gong-kuang zidonghua, Vol 37, Iss 10, Pp 76-78 (2011)
In view of problem that high gas outburst mines would appear over-limit phenomenon of gas concentration in short stop time of ventilator when main ventilator makes switchover, the paper proposed a design scheme of automatic switchover system of mine
Externí odkaz:
https://doaj.org/article/3e5b788a98e24e909ab3e5141839f206