Autor: |
FENG Chao, ZHU Yanjun |
Jazyk: |
čínština |
Rok vydání: |
2021 |
Předmět: |
|
Zdroj: |
Meikuang Anquan, Vol 52, Iss 9, Pp 142-146 (2021) |
Druh dokumentu: |
article |
ISSN: |
1003-496X |
DOI: |
10.13347/j.cnki.mkaq.2021.09.022 |
Popis: |
The main advantages and disadvantages of orifice flowmeter, V-cone flowmeter, precession vortex flowmeter and vortex street flowmeter are analyzed; the working principle of gas ultrasonic flowmeter in gas drainage pipeline is introduced, and the measurement system of gas ultrasonic flowmeter in gas drainage pipeline is designed; this paper focuses on the digital signal processing technology of gas ultrasonic flowmeter measurement system; the application of gas ultrasonic flowmeter in gas drainage and air pressure in coal mine is described in detail. |
Databáze: |
Directory of Open Access Journals |
Externí odkaz: |
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