Results 31 to 40 of about 1,221,738 (314)
Energy Reports, 2022 Smart and personalized ventilation systems have been demonstrated with high performance in creating a healthy and energy-efficient indoor environment, but they have been rarely comprehensively summarized and explored in previous studies.
Ge Song +3 more
doaj +1 more source
Meikuang Anquan, 2022 This paper discusses the construction method of ventilation and prevention system based on the application practice of Zhuanlongwan Coal Mine. A precise perception technology for key parameters of ventilation network is proposed.
QI Junming, WANG Kai, WANG Zhijing, JIAO Zhiyuan, WU Jianbin, WANG Jian
doaj +1 more source
工程科学学报, 2023 To determine the dynamic matching of a mine ventilation system to onsite demands of automatic adjustment, we analyze the principle of air volume supply and demand matching and a linkage control method.
Kai WANG +6 more
doaj +1 more source
Numerical simulation research on accurate measurement of air volume in large-size roadway
Meikuang Anquan, 2022 At present, the accurate measurement of air volume in large-size roadway has become a difficult problem for mine ventilation system managers. In order to solve this problem, firstly, with the help of the turbulence simulation function of COMSOL ...
DU Bin, ZHU Lei
doaj +1 more source
Design of variable frequency control system for local ventilator based on fuzzy theory
Gong-kuang zidonghua, 2022 The existing variable frequency control method for local ventilator lacks prediction of gas outburst variable. When a large amount of gas emission abnormally, there is a certain lag in regulation, which is easy to lead to gas accumulation.
JIA Tianyi +3 more
doaj +1 more source
Towards intelligent mechanical ventilation guided by electrical impedance tomography [PDF]
, 2023 Mechanical ventilation (MV) occupies a critical position in the field of modern clinical medicine. MV is an effective mean to artificially replace, control, or change spontaneous breathing movement and ventilation function.
Zhang, Zhixi
core +1 more source
Research on the influence of roadway obstacles on the position of wind speed monitoring
Gong-kuang zidonghua, 2023 The existing high-precision wind speed sensors are uniformly installed in the coal mines under normal airflow conditions. It does not consider the abnormal airflow caused by obstacles placed in the roadway.
ZHANG Jingzhao +5 more
doaj +1 more source
Design and research on intelligent ventilation system of ship cargo hold
Journal of Physics: Conference Series, 2021 Ventilation in the cargo hold of ships, which can adjust the temperature and humidity in the cargo hold, is a necessary measure to ensure the safety of maritime cargo.
Zhongfeng Ba +2 more
semanticscholar +1 more source
Research on intelligent regulation and control system and key technology of mine local ventilation
Gong-kuang zidonghua, 2021 At present, the automatic control method of mine local ventilation adopts manual adjustment of ventilator frequency, and relies on manual collection of air duct parameters, which lacks accurate and reliable monitoring methods to reflect the ventilation ...
CHENG Xiaozhi1 +4 more
doaj +1 more source
Efficacy of non-invasive intelligent volume assured pressure support (iVAPS) and pressure support ventilation (PSV) in clinical practice [PDF]
, 2021 Aims of the study: Noninvasive ventilation (NIV) is a well-established treatment option for hypercapnic respiratory failure; however, the best mode of ventilation remains unknown.
Horvath, Christian M. +7 more
core +1 more source