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Journal articles on the topic 'Fans’ safety'

Author: Grafiati

Published: 30 May 2022

Last updated: 31 July 2025

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1

Yadav, Dr Akhilendra Singh. "Anti Fall Ceiling Fan While Rotating." International Journal for Research in Applied Science and Engineering Technology 12, no. 8 (2024): 1383–87. http://dx.doi.org/10.22214/ijraset.2024.64128.

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Today most of the electrical appliances are moving towards energy efficient designs. But what about the safety measures? Ceiling fans are one of the most important electrical gadgets of our life. This paper discusses about the safety and new designs of ceiling fans so that when it falls while rotating it stops within a moment and nobody will get hurt. An experimental prototype was built and results have proven good performance. In future this concept will prove a golden change in the life of people and ceiling fans.

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2

Yu, Bao-Cai, and Liang-Shan Shao. "Optimization of the non-stop switchover system control for the main fans used in mining applications." Mechanics & Industry 23 (2022): 25. http://dx.doi.org/10.1051/meca/2022022.

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A stable ventilation system is an essential guarantee for the efficient production and safety of underground workers. In order to solve the big changes in underground air quantity, gas accumulation, and other problems caused by mine main fans switchover. This paper proposes a non-stop switchover system of the mine main fans based on intelligent control and establishes a dynamic optimization model for the switchover process of the mine main fans. The equilibrium optimizer algorithm is improved by chaos mapping and opposition learning machine based on refraction principle to solve the model, and

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3

O’Reilly, Norman. "Experimental Design Methods in Sport Management Research: The Playoff Safety Bias." Journal of Sport Management 25, no. 3 (2011): 217–28. http://dx.doi.org/10.1123/jsm.25.3.217.

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The Playoff Safety Bias occurs when playoff appearances matter more than championships in terms of an individual’s decision-making process when choosing to consume major professional sport from a set of options, referred to as the Sequential Goal Heuristic. This paper (i) demonstrates the potential value of experimental design research in sport management and (ii) provides a consumer-based perspective of playoff structure. Adopting a consumer psychology approach, a 2 (Team performance: good team/bad team) × 3 (Goal: make playoffs every year/ win at least one championship/ maximize number of ch

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4

Todorović, Vladimir, Jelena Trivan, Dražana Tošić, and Ljubica Figun. "Characteristics of the main fans of the active underground mines JP PEU - Resavica." Mining and Metallurgy Engineering Bor, no. 3-4 (2020): 35–40. http://dx.doi.org/10.5937/mmeb2002035t.

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Ventilation is a very important phase in mining from the point of view of continuous works in the underground mines and safety of the employees. For the ventilation of the active underground mines of JP PEU Resavica the artificial ventilation is used with the main fans installed within the ventilation in active plants. According to the characteristics of the ventilation networks, the appropriate main fans were also selected. In this paper, the characteristics of fans in the active underground mines and an analysis of their works are presented, and the suggestions for their improvement are give

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Chun, Guo, Wang Mingnian, and Tang Zhaozhi. "A Study on Surge and Stall under the Interaction of Parallel Axial flow fan in Tunnel." Noise & Vibration Worldwide 42, no. 11 (2011): 9–14. http://dx.doi.org/10.1260/0957-4565.42.11.9.

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In the ventilation design for tunnels above 10km, an axial flow fan of great power needs to be set in ventilation shafts. There are few provisions on the setting modes and less discussion of parallel axial flow fan mode in the Specifications for Design of Ventilation and Lighting of Highway Tunnels. All of these bring a lot of difficulties about the axial fan selection, layout and control design. There is no specialized research on axial flow fan for tunnels and no studies on surge and stall under the interaction of parallel axial flow fan in tunnel in spite of the more and more application of

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6

Wang, Ying, Bi Ming Shi, and Chao Min Mu. "Numerical Simulation on Fire Smoke Flow with Jet Fans in an Underground Garage." Advanced Materials Research 374-377 (October 2011): 534–37. http://dx.doi.org/10.4028/www.scientific.net/amr.374-377.534.

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With the aim of evaluating capabilities of a ventilation system with jet fans to control fire smoke in an underground garage, we carried out a set of FDS simulation. According to the results, temperature and soot density of fire has reduced within an acceptable range. We believe that the ventilation system based on the jet fans has indeed controlled fire smoke effectively, thereby we have enough time for safety rescue.

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Kariippanon, Wilson, McCarthy, and Kõlves. "A Call for Preventing Suicide by Hanging from Ceiling Fans: An Interdisciplinary Research Agenda." International Journal of Environmental Research and Public Health 16, no. 15 (2019): 2708. http://dx.doi.org/10.3390/ijerph16152708.

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Hanging is a common method of suicide in several countries. Even as global suicide rates decrease, there is no evidence of suicides by hanging declining. There is limited research by type of hanging, and only a few papers present suicide by hanging from ceiling fans. Our paper proposes a research agenda that will: specify the size of the problem of hanging by ceiling fan (Stage 1: Surveillance), use standard engineering product development processes to modify ceiling fans for reducing their lethal capacity (Stage 2: Design Testing and Redevelopment), and examine the resulting beta- and release

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8

Tylets, V. G., and T. M. Krasnyanskaya. "Psychological Peculiarities of Safety Concepts in Fans of Science Fiction and Detectives." Experimental Psychology (Russia) 13, no. 3 (2020): 180–93. http://dx.doi.org/10.17759/exppsy.2020130314.

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This research is devoted to studying the views of fans of detective and fantasy media products about security in general and about the security subject in particular. It has been suggested that the preference for media products of the fantasy and detective genres contributes to the specification of representations about the security subject. The study was carried out using the semantic differential method with the participation of 400 subjects aged 18 to 22 years. Highlighted significant differences in the structure of ideas about the subject of security among fans of detective fiction and fan

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Todorova, Viktoria, Ognyan Gatsev, Konstantin Hristov, Kremena Petkova, and Iliya Saltirov. "Efficacy and safety of RIRS with application of flexible and navigable suction ureteral access sheath for kidney stones ≤ 1.5 cm." Journal of Endourology and Minimally Invasive Surgery 13, no. 1 (2025): 25–26. https://doi.org/10.57045/jemis/1310425.pp25-26.

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INTRODUCTION AND AIM: Retrograde intrarenal surgery (RIRS) is a well-established minimally invasive approach for the treatment of kidney stones, particularly those ≤ 1.5 cm. The addition of a flexible and navigable suction ureteral access sheath (FANS) to RIRS has the potential to enhance surgical outcomes by improving irrigation, reducing intrarenal pressure, and facilitating stone fragment clearance.THIS STUDY AIMS to evaluate the efficacy and safety of RIRS with the application of FANS for managing kidney stones ≤ 1.5 cm. Material and Method: Medical data of 110 patients from January to Dec

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10

Poliarush, Svitlana. "LEGAL STATUS OF SPORTS FANS IN UKRAINE." Scientific Notes Series Law 1, no. 9 (2020): 38–43. http://dx.doi.org/10.36550/2522-9230-2020-1-9-38-43.

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The article attempts to characterize the legal status of sports fans in Ukraine using the experience of foreign countries. Attention is paid to the historical aspect of the formation of sports fans in the world. The author dwelled on the movement of football fans in the twentieth century. Based on modern research by Ukrainian scientists, a classification of certain categories of football fans is presented. The article argues that sports fans are a kind of challenge to government agencies, and sometimes to society as a whole, so the ability to work with such informal entities, where the composi

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11

Cleland, Jamie, and Ellis Cashmore. "Nothing Will Be the Same Again After the Stade de France Attack: Reflections of Association Football Fans on Terrorism, Security and Surveillance." Journal of Sport and Social Issues 42, no. 6 (2018): 454–69. http://dx.doi.org/10.1177/0193723518797028.

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Following the attempted terrorist attack at the friendly match between France and Germany at the Stade de France on November 13, 2015, this article draws on the response of 1,500 association football fans to the threat of terrorism in the world’s most popular sport. Its primary focus was to ask fans to reflect on their own experiences of security and surveillance and what extent the attempted attack on the Stade de France will have on the management of football crowds. Drawing on the themes of surveillance devised by Michel Foucault, the results outline how some fans accept additional measures

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12

Cheng, X., A. Wielenberg, U. Hampel, et al. "Summary of 3rd Sino-German symposium on fundamentals of advanced nuclear safety technology." Kerntechnik 85, no. 2 (2020): 131–35. http://dx.doi.org/10.1515/kern-2020-850210.

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Abstract The 3rd "Sino-German Symposium on Fundamentals of Advanced Nuclear Safety Technology (SG-FANS)" took place in Xi’an, China, in 2019. Common fields of interests have been identified on both Chinese and German side, such as code benchmarking, common access to experimental facilities and joint experimental data base for nuclear safety analyses.

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13

Niemyi, S., and V. Brytkovskyi. "EFFICIENCY OF THE HEATING SYSTEM OF THE DRIVER'S WORKPLACE AND THE VESSEL OF THE WINDSHIELD OF BUSES." Bulletin of Lviv State University of Life Safety 23 (July 1, 2021): 53–60. http://dx.doi.org/10.32447/20784643.23.2021.08.

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Introduction. One of the dominant areas of improvement of motor vehicles is to improve traffic safety. An im-portant aspect of bus safety is visibility from the driver's workplace, which largely depends on the condition of the wind-shield, especially the absence of fogging and frost, which often occurs at low ambient temperatures.Methodically, this problem is eliminated by blowing the windshield with warm air. Structurally, this is done by devices that, in addition to blowing the windshield, also supply warm air to the driver's workplace. Fogging and icing of the windshield significantly impai

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14

O’Brien, Timothy. "Take proactive steps to limit risks, liability related to court‐storming incidents." Campus Security Report 21, no. 4 (2024): 7–11. http://dx.doi.org/10.1002/casr.31289.

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Reports of court‐storming incidents after upset victories or championships tend to renew the focus on event security, safety, and injury prevention. This is especially true this year with the high‐profile incidents of fans colliding with star players such as Caitlin Clark of Iowa and Kyle Filipowski of Duke, as exuberant fans ran wild at the end of their respective games. Although serious injuries were fortunately avoided, there could easily have been a different result in both cases. Indeed, just the video replays of these headline‐making stories clearly underscore the potential for a season‐

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15

Trivan, Dragan. "Fans club's violence as an endangering factor for the urban areas safety." Security Dialogues /Безбедносни дијалози 2 (2019): 143–55. http://dx.doi.org/10.47054/sd1920143t.

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16

Dixon, Kevin. "The role of surveillance in the construction of authentic football fandom practice." Surveillance & Society 11, no. 4 (2013): 424–38. http://dx.doi.org/10.24908/ss.v11i4.4585.

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Abstract The search for the ‘authentic’ football fan has a predominant place within the sociology of football literature. This relates specifically to the scholarly conceptualisation of ‘different’ fan types as researchers have attempted to explain the evolving nature of fandom practice in light of late-modern consumer culture and perceived authenticity claims. Such conceptual approaches to football fandom are useful enough to describe alternative modes of practice and yet they do not indicate how fans interpret and monitor authenticity at a cultural level. This paper aims to address this issu

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O’Brien, Timothy. "Take proactive steps to limit risks, liability related to court storming." College Athletics and the Law 21, no. 2 (2024): 1–8. http://dx.doi.org/10.1002/catl.31313.

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Reports of court‐storming incidents after upset victories or championships tend to renew the focus on event security, safety, and injury prevention. This is especially true this year with the high‐profile incidents of fans colliding with star players such as Caitlin Clark of Iowa and Kyle Filipowski of Duke, as exuberant fans ran wild at the conclusion of their respective games. Although serious injuries were fortunately avoided, there could easily have been a different result in both cases. Indeed, just watching the video replays of these headline‐making stories clearly underscores the potent

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18

O’Brien, Timothy. "Take proactive steps to limit risks, liability related to court‐storming incidents." Campus Legal Advisor 24, no. 11 (2024): 4–14. http://dx.doi.org/10.1002/cala.41381.

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Reports of court‐storming incidents after upset victories or championships tend to renew the focus on event security, safety, and injury prevention. This is especially true this year with the high‐profile incidents of fans colliding with star players such as Caitlin Clark of Iowa and Kyle Filipowski of Duke, as exuberant fans ran wild at the conclusion of their respective games. Although serious injuries were fortunately avoided, there could easily have been a different result in both cases. Indeed, just watching the video replays of these headline‐making stories clearly underscores the potent

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19

Foss, Katherine A. "Death of the Slow-Cooker or #CROCK-POTISINNOCENT? This Is Us, Parasocial Grief, and the Crock-Pot Crisis." Journal of Communication Inquiry 44, no. 1 (2019): 69–89. http://dx.doi.org/10.1177/0196859919826534.

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Even though viewers understand that a television show is fictional, they can still mourn the demise of their favorite characters. This fictional grief became apparent with the on-screen death of the character Jack in the program This Is Us. The current study analyzed the death narrative and perceived responsibility in first and second seasons of This Is Us, paired with the online responses posted to social media and the short promotional video between the show and Crock-Pot. Findings suggest that fans experienced and expressed parasocial grief for Jack’s death on social media, attributing blam

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Ge, Hengqing, Guang Xu, Jinxin Huang, and Xiaoping Ma. "A mine main fans switchover system with lower air flow volatility based on improved particle swarm optimization algorithm." Advances in Mechanical Engineering 11, no. 3 (2019): 168781401982928. http://dx.doi.org/10.1177/1687814019829281.

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A reliable ventilation system is essential for maintaining a comfortable working environment and ensuring safety production in an underground coal mine. The automated fan switchover technique was developed for changing the main fan for maintenance with lower air flow volatility of underground mine in the switchover process. This article established the optimization model in the main fans switchover process, used the improved particle swarm optimization algorithm to solve the model, and achieved minimum air flow volatility in the fans switchover process. Compared to previous studies, computer s

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21

Harun, Zambri, Muhammad Saiful bin Sahari, and Taib Iskandar Mohamad. "Smoke Simulation in an Underground Train Station Using Computational Fluid Dynamic." Applied Mechanics and Materials 663 (October 2014): 366–72. http://dx.doi.org/10.4028/www.scientific.net/amm.663.366.

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The design of the ventilation and fire safety systems for the Johor Bahru Sentral, a semi-underground train station, part of the Integrated Custom, Immigration and Quarantine Complex (ICIQ) is based on normal Malaysian Standards (MS), British Standards and the local fire department’s requirements. However, the large and complex space in the underground station coupled with scheduled diesel-powered locomotives which frequent the station by stopping or passing require detailed simulations. Both ventilation and the fire safety systems employ Computational Fluid Dynamic (CFD) methods to provide re

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22

Yao, Shibin, Jian Zhou, Manoj Khandelwal, et al. "Intelligent Decision Framework for Booster Fan Optimization in Underground Coal Mines: Hybrid Spherical Fuzzy-Cloud Model Approach Enhancing Ventilation Safety and Operational Efficiency." Machines 13, no. 5 (2025): 367. https://doi.org/10.3390/machines13050367.

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Optimizing mine fan operations in underground coal mines is important for ensuring proper ventilation, enhancing safety, and improving operational efficiency. A single main ventilation fan is insufficient to meet the ventilation demands of the entire mine. Therefore, it is necessary to consider the addition of booster fans to ensure effective ventilation. However, the selection of booster fans involves multiple influencing factors, and the complex interrelationships among fans remain unclear, making solution selection and risk assessment more challenging. To address this issue, this study prop

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23

Junaedi, Fajar, and Filosa Gita Sukmono. "Disaster Mitigation Information in Football Matches: Fans Perspective." Warta ISKI 2, no. 02 (2019): 124–32. http://dx.doi.org/10.25008/wartaiski.v2i02.37.

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The study focuses on problems of disaster mitigation information in football matches and the implications to audiences’ safety. The study uses study case method. The data collection is performed using in-depth interview, observation, and literature review; and the informant selection applies purposive sampling or criterion-based selection. Informants picked are fans of PSIM Yogyakarta, Persiba Bantul, and Persebaya Surabaya who experienced disasters in the stadiums. The study demonstrates, based on fans experiences, that various factors are responsible for outbreaks in football matches, namely

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Luo, Yiwei, Yuhang He, Yuping Qian, and Yangjun Zhang. "Aerodynamic modeling of ducted fans under environmental disturbances." Journal of Physics: Conference Series 2707, no. 1 (2024): 012075. http://dx.doi.org/10.1088/1742-6596/2707/1/012075.

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Abstract Ducted fans are widely used in unmanned aerial vehicles (UAVs) to perform various tasks due to high efficiency, high safety and low noise. The external environment affects the stability of the ducted fan, and predicting the aerodynamic characteristics under environmental disturbances is of great significance for stable operations of ducted-fan aircraft. In this paper, we considered the influence of different environmental disturbances on the axial velocity through the rotor disk, and established an aerodynamic mechanism model based on the momentum theory and blade element theory. In o

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Sowier-Kasprzyk, Izabella, and S[ł]awomir Kowalski. "Safety of Sports Mass Events in the Context of Creating a Marketing Product." System Safety: Human - Technical Facility - Environment 1, no. 1 (2019): 851–58. http://dx.doi.org/10.2478/czoto-2019-0109.

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AbstractSafety as a state that gives a sense of confidence and a guarantee of its maintaining may also act as an element motivating to use a product or service, certainty of use of the product and the certainty of using the service. In the second approach, mass-specific services, including sports services related to the operation of sports clubs, are a service specific in terms of security. The entity providing them should ensure the safety of all its participants, from sportsmen to sports spectators. The aim of the article is to present partial results of research results on the relationship

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Vadim, Minin, Tauger Vitalii, and Minin Ivan. "Directions of mine ventilation development." Izvestiya vysshikh uchebnykh zavedenii. Gornyi zhurnal, no. 4 (August 21, 2022): 17–25. http://dx.doi.org/10.21440/0536-1028-2022-4-17-25.

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Introduction. Underground mining is carried out under conditions of intensive development of gas from combustion-engined vehicles and blasting operations, as well as under dust pollution and workplace temperature that violate health and safety regulations. Aerological safety provision by improving mine ventilation efficiency is therefore highly relevant. Methods of research. It is reasonable to ventilate a multi-horizon mine using an automated horizon ventilation system that is responsible for the compliance of aerological conditions in workplaces with the safety requirements and consists of c

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Gu, In-Mo, Yeong-Mo Yeon, Dong-Seok Ryu, and Seung-Hee Kim. "Optimization of Smoke-Detector Installation Location Based on Effect of Fan Equipment inside Distribution Panel on Fire Detection Performance." Fire 6, no. 2 (2023): 49. http://dx.doi.org/10.3390/fire6020049.

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Inhalation and exhaust fans are installed inside a distribution panel for cooling. However, in the event of fire inside the panel, these fans change the flow of smoke, which interferes with quick detection by fire sensors installed on the panel ceiling, thereby increasing fire damage. The purpose of this study is to develop a smoke detector that can be installed inside distribution panels and to propose an optimal smoke detector position based on the influence of the position on detection performance. To this end, an experimental distribution panel was fabricated and four smoke detector sample

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Thu Anh, An Thi Hoai, Tran Hung Cuong, and Tran Van Khoi. "Cascaded H-bridge 7-level inverter application for air exhaust fan drive control of Thu Thiem road tunnel." Bulletin of Electrical Engineering and Informatics 14, no. 1 (2025): 108–17. http://dx.doi.org/10.11591/eei.v14i1.8490.

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The Thu Thiem road tunnel in Vietnam is crucial in reducing traffic congestion and ensuring the safety of those passing through, thanks to its ventilation system that generates clean air. This fresh air production is primarily supported by two exhaust fans at both ends of the tunnel in the eastern and western towers. However, the fans have a power capacity of several hundred kW and operate at kilovolt-level voltage, which is unsuitable for conventional inverters. Therefore, this paper proposes a 7-level inverter to feed the exhaust fan drive motor. The 7-level inverter improves the output volt

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Makarov, Nikolai, Leonid Antropov, Vladimir Makarov, and Vitaly Balandin. "Methodology development for creating energy-efficient fans for air cooling devices." Sustainable Development of Mountain Territories 15, no. 4 (2023): 1081–89. http://dx.doi.org/10.21177/1998-4502-2023-15-4-1081-1089.

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Introduction. Increasing the competitiveness of enterprises in the mining and oil and gas sectors of the Russian economy in combination with industrial safety requirements actualizes the task of developing a methodology for creating energy-efficient fans for air cooling devices with a dominant nature-like proportionality. Research methods and materials. The research method for creating adaptive fans is based on the scientific hypothesis of a nature-like proportionality in the aerodynamics of the profiles of the impeller blades. The results of the research. In the course of research, it was est

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Bawaskar, Yayatiraj. "Automatic Tunnel Ventilation and Lightning System and Tunnel Monitoring System for Railways." International Journal for Research in Applied Science and Engineering Technology 13, no. 5 (2025): 5663–66. https://doi.org/10.22214/ijraset.2025.71494.

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The current lightning system as well as the ventilation system in the Railway tunnels are not as efficient. The lights as well as fans remain operational even when they are not required i.e. even when the train is not passing through the tunnel. The objective of automatic tunnel ventilation and lighting systems and tunnel monitoring system for railways is to enhance safety, energy efficiency, and operational reliability.

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31

Yang, Xiaojun, Tao Liu, and Wei Jia. "Research on the Aerodynamic–Propulsion Coupling Characteristics of a Distributed Propulsion System." Applied Sciences 15, no. 7 (2025): 3536. https://doi.org/10.3390/app15073536.

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In recent years, the distributed propulsion system has received extensive attention due to its advantages such as high propulsion efficiency, low noise, high safety redundancy, and good flexibility and maneuverability. However, the interaction between the internal and external flow can limit the aerodynamic performance of the ducted fan. To investigate the influence of the internal and external flow interaction on the aerodynamic–propulsion coupling characteristics of the distributed propulsion system, an over-wing symmetric configuration with five distributed ducted fans was constructed, and

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González-Durán, J. E. E., L. Estrada-Rojo, J. Ortega-Alejos, E. G. Blanco-Díaz, J. M. Olivares-Ramírez, and J. M. García-Guendulain. "Numerical Analysis Used to Predict the Spread of COVID-19 in a Classroom: TecNM Campus Sur de Guanajuato Case Study." Journal of Applied Fluid Mechanics 18, no. 7 (2025): 1695–706. https://doi.org/10.47176/jafm.18.7.3186.

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This paper examines the impact of indoor airflow, both natural and forced, on the dispersion and distribution of respiratory droplets produced by the act of sneezing in the context of viral respiratory infections, including but not limited to SARS-CoV-2 (Covid-19), Mpox (monkeypox), and other viral diseases. A numerical analysis was performed to examine the potential safety zones and the impact of ceiling fan usage in a classroom at the Tecnológico Nacional de México (TecNM) Campus Sur de Guanajuato, which features two windows and one door. The present study employs a simulation of the sneezes

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Majumder, Ankita. "Modelling of Gas Leakage Detector with Safety System." International Journal for Research in Applied Science and Engineering Technology 12, no. 6 (2024): 1174–77. http://dx.doi.org/10.22214/ijraset.2024.63218.

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Abstract: Leaking of gas is the major problem with industrial sector, domestic areas and vehicles run by LPG gas. Many accidents occur in day-to-day life like explosion because of gas leakage. If gas leakage is not detected earlier then major harm is caused. Due to leakage of LPG gas, it produces hazardous and toxic impact for living things.[1] LPG and natural gas is highly combustible and can burn even at some distance from the source of outflow. The main aim of this project is to present the detection of leakage, alert the danger to people and on the exhaust fan to throw out the gas to preve

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Ribeiro, Gabriella da Silva Rangel, Rafael Celestino da Silva, Márcia de Assunção Ferreira, Grazielle Rezende da Silva, Juliana Faria Campos, and Bianca Ribeiro Porto de Andrade. "Equipment failure: conducts of nurses and implications for patient safety." Revista Brasileira de Enfermagem 71, no. 4 (2018): 1832–40. http://dx.doi.org/10.1590/0034-7167-2016-0547.

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ABSTRACT Objectives: To identify equipment failures during handling by nurses and analyze the conduct of the professionals when these failures occur. Methods: Descriptive, exploratory and qualitative study, whose field was the intensive care unit of a public institution, and the participants were day nurses that worked providing direct care to patients. Data were produced in 2014 through systematic observation and interviews and were examined with thick description and content analysis. Results: The outcomes evinced the inadequate functioning of infusion bombs, users' errors related to the des

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Stolbchenko, O. V., A. A. Yurchenko, I. O. Luts, and D. V. Saveliev. "Reducing external air leakage at the main ventilation unit of the mine." Naukovyi Visnyk Natsionalnoho Hirnychoho Universytetu, no. 1 (February 28, 2023): 122–28. http://dx.doi.org/10.33271/nvngu/2023-1/122.

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Purpose. To increase the efficiency of mine ventilation by reducing external leaks through the ventilation shaft construction. To achieve this goal, it is necessary to solve the following tasks: - to analyse the existing methods for reducing external leaks through the ventilation shaft components; - consider the possibility of using a counteracting fan to unload the main fan from external leaks; - to establish the mutual influence of the main and counteracting fans during their joint operation; - to develop a methodology for determining the operating mode of the auxiliary fan in which external

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Zimmerman, Franklin H., Arthur E. Fass, Dina R. Katz, and Steven P. Cole. "Safety of Spectator Sports: Blood Pressure and Heart Rate Responses in Baseball and Football Fans." Journal of Clinical Hypertension 12, no. 10 (2010): 816–17. http://dx.doi.org/10.1111/j.1751-7176.2010.00342.x.

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Eisinger, F. L., R. E. Sullivan, P. Feenstra, and D. S. Weaver. "Acoustic Vibration in a Stack Induced by Pipe Bends." Journal of Pressure Vessel Technology 125, no. 2 (2003): 228–32. http://dx.doi.org/10.1115/1.1565080.

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Acoustic vibration in two stack liners located inside a stack downstream of two induced draft fans occurred at high loads. Measurements confirmed that an acoustic wave developed in the fundamental diametral mode of the cylindrical stack liners. It manifested itself as a pure tone traveling through the stack to surrounding residential areas. It was suspected that turbulent flow in the pipe bends upstream of the stack and downstream of the fans was the source of the excitation. Laboratory scale model tests confirmed that the bends indeed acted as the source. Two guide vane configurations placed

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Ahmed, Danish, Syed Zeeshan Ali, Fahat Bar Khan, and Mubashir Hussain Faruki. "Design And Implementation Of An ESP32-Based Smart Home Automation System With Environmental Monitoring And Automated Controls." IOSR Journal of Electronics and Communication Engineering 19, no. 6 (2024): 23–28. http://dx.doi.org/10.9790/2834-1906012328.

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This paper presents an ESP32-based Home Automation System designed for efficient management of household components, enhancing convenience, safety, and resource optimization. The system integrates various sensors and devices, including relay-controlled bulbs and fans, motion-sensor lights, and automated nightlights. Environmental monitoring is achieved via a DHT22 sensor for temperature and humidity, and MQ2/MQ135 sensors for gas detection, promoting real-time safety alerts. For smart gardening, a soil moisture sensor coupled with a submersible pump enables automated irrigation. Overheat prote

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I Made Jaya Wiguna, I Nyoman Gede Sugiartha, and I Made Minggu Widyantara. "Penanganan Kerusuhan Suporter Sepakbola yang Tidak Sesuai Dengan Standar Operating Procedure (SOP)." Jurnal Preferensi Hukum 5, no. 2 (2024): 138–44. http://dx.doi.org/10.22225/jph.5.2.8070.138-144.

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Football is a sport favoured by the Indonesian people. And though it has not yet achieved anything as high as the world, it has been an entertaining spectacle, with many talents in their youth, a stadium with international standards, to huge fans, Excessive fanaticism supported the club's cause of aggressive behaviour that sparked a riot when the pride team lost. As for the problem formula: 1. How is the law handling football fans' riots? 2. How would a member of the police ban for operating a football riot operating out of the standard operating procedure, resulting in loss of life? It's a no

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Voultsou, Dionysia Maria, Stratos Saliakas, Spyridon Damilos, and Elias P. Koumoulos. "Computational Fluid Dynamics as a Digital Tool for Enhancing Safety Uptake in Advanced Manufacturing Environments Within a Safe-by-Design Strategy." Materials 18, no. 2 (2025): 262. https://doi.org/10.3390/ma18020262.

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In modern manufacturing environments, pollution management is critical as exposure to harmful substances can cause serious health issues. This study presents a two-stage computational fluid dynamic (CFD) model to estimate the distribution of pollutants in indoor production spaces. In the first stage, the Reynolds-averaged Navier–Stokes (RANS) method was used to simulate airflow and temperature. In the second stage, the Lagrangian method was applied for particle tracing. The model was applied to a theoretical acrylonitrile butadiene styrene (ABS) filament 3D printing process to evaluate the fac

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Li, Xirui, Xincheng Ling, and Mingxin Tang. "Safety study of a new semi-submersible offshore wind turbine." Applied and Computational Engineering 9, no. 1 (2023): 222–28. http://dx.doi.org/10.54254/2755-2721/9/20230096.

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After the oil crisis of the 1970s, a new era of wind power began. While there is some economic value in developing wind power on some well-located land, there is another frontier where it has been found to be quite economical: offshore wind power. In the 21st century development today, more people are devoting more attention to new energy sources, of which offshore wind turbines occupy a large segment. Researchers and developers will challenge conventional power generation techniques. As the demand for energy gets higher, the fans are getting bigger and bigger, and with our design, a new type

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Olkhovsky, D. V., A. V. Zaytsev, N. N. Utkin, T. P. Darbinyan, and A. A. Davydov. "On the Effect of Increasing Air Pressure with Depth on the Calculation of the Required Amount of Air in the Deep Mines." Occupational Safety in Industry, no. 8 (August 2023): 89–94. http://dx.doi.org/10.24000/0409-2961-2023-8-89-94.

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The effect of increasing air pressure with the depth on the calculation of the required amount of air in the deep mines is analyzed in the work. It is established that with an increase in air pressure, the values of the volumetric maximum permissible concentrations of toxic and explosive gases in it decrease, while their maximum permissible mass concentrations remain unchanged. Failure to consider the decrease in volumetric maximum allowable concentrations of toxic and explosive gases with depth when calculating the required amount of air in the mines in some cases can lead to an underestimati

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Medvedev, D. L., and N. A. Sedova. "Study of Micro-arc Oxidation as a Method for Improving the Technical Characteristics of AA5086 Aluminum and VT6 Titanium Alloys." Occupational Safety in Industry, no. 9 (September 2023): 12–17. http://dx.doi.org/10.24000/0409-2961-2023-9-12-17.

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The article presents the promising field of micro-arc oxidation as a surface modification method with the purpose to improve the corrosion resistance of titanium, aluminum, aluminum alloys and composites. Micro-arc oxidation is an electrochemical process that forms a thick, hard and highly adhesive ceramic oxide layer on the metal surfaces, thereby providing excellent protective properties. This method of hardening the metal surface was used in production in the manufacture of parts from AA5086 and VT6 alloys for industrial fans operating in chemically hazardous facilities. When using micro-ar

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Cemim, Lucas, and Angelo Nicola Neto. "A UTILIZAÇÃO DE INSTRUMENTOS DE MENOR POTENCIAL OFENSIVO EM POLICIAMENTO DE EVENTOS FUTEBOLÍSTICOS." Revista ft 29, no. 142 (2025): 17–18. https://doi.org/10.69849/revistaft/dt10202501301917.

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ABSTRACT Policing football events is a major challenge for security forces, both in Brazil and around the world, due to the large number of fans and the potential for riots. Police action must be efficient and proportional, guaranteeing the safety of fans and public order, respecting fundamental rights. In this context, Instruments of Lower Offensive Potential (IMPO) are a strategic solution, allowing the control of disturbances without causing permanent damage. The use of IMPOs is essential for maintaining order, but requires specialized training and respect for protocols to minimize risks. T

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Abbasi, Andleeb Basharat, Ghulam Safdar, and Palwasha Jabeen. "A Gendered Analysis of Sports Spectatorship in Pakistan with a Focus on Women's Perspectives and Social Media Engagement." Journal of Social Sciences Advancement 6, no. 1 (2025): 65–75. https://doi.org/10.52223/jssa25-060108-125.

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The presence of fans in the stands is a natural and vital aspect of sporting events, bringing color and vibrancy to the game. Sports fans are crucial for a lively sports ecosystem, but Pakistani women's participation remains limited due to cultural norms, social barriers, and economic constraints. This study aims to explore the perspectives of Pakistani women on sports spectating. Employing a quantitative approach through surveys, the research investigates their attitudes, preferences, and motivations for watching sports. Convenience sampling was used, and data was analyzed using SPSS software

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Zaitsev, Artem, Oleg Parshakov, and Mikhail Semin. "Heat Emissions from Mining Machinery: Implications for Microclimatic Conditions in Underground Workings." Mining 4, no. 4 (2024): 1075–92. https://doi.org/10.3390/mining4040059.

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The thermal regime of underground mines, shaped by air temperature, velocity, and relative humidity, is a crucial factor for production and the health and safety of miners. While many aspects of this thermal regime have been thoroughly studied in the literature, local heat sources from mechanized equipment, such as load–haul–dump machines, conveyors, and auxiliary fans, have received comparatively little attention despite their significant impact on the thermal environment in mining development areas and stopes. This paper presents findings from a comprehensive study of the microclimatic air p

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Wang, Yongdong, Xingbo Han, Tianyue Zhou, et al. "Road Tunnel Axial Fan Performance In Situ Test: Taking Qinling Zhongnan Mountain Highway Tunnel as an Example." Mathematical Problems in Engineering 2019 (April 4, 2019): 1–12. http://dx.doi.org/10.1155/2019/7036538.

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Axial fans play a pivotal role in the road tunnel ventilation system. Qualified performance of the axial fan is important for both safety and air quality maintenance reasons. Axial fans performance in situ test of Qinling Zhongnan Mountain highway tunnel, the second longest road tunnel in the world, is presented in this research. Performance test items and the qualification criterion, as well as a general framework for the road tunnel axial fan assessment, are recommended. Log-Tchebycheff method is suggested to confirm the location for the measuring lines and points. The precision of the log-T

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Kastrinos, Amanda, Rachel Damiani, and Debbie Treise. "Print to Podium: Exploring Media Coverage of 2016 Olympic Athletes’ Perceptions About the Zika Virus." International Journal of Sport Communication 11, no. 4 (2018): 447–61. http://dx.doi.org/10.1123/ijsc.2018-0056.

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The 2016 Olympic Games in Rio de Janeiro, Brazil, thrust potential Olympians into the midst of the unprecedented outbreak of the Zika virus. Because parasocial interaction theory purports that athletes can have tremendous influence on fans’ attitudes and behavior, particularly in the context of public health, it is important to understand how media framed athletes’ response to their risk of contracting Zika at the Games and the possibility of a global epidemic. To understand how athletes’ safety concerns were portrayed by news outlets, the authors conducted a framing analysis of articles repor

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Li, Chenyang, Qiming Fu, Jianping Chen, You Lu, Yunzhe Wang, and Hongjie Wu. "FS-DDPG: Optimal Control of a Fan Coil Unit System Based on Safe Reinforcement Learning." Buildings 15, no. 2 (2025): 226. https://doi.org/10.3390/buildings15020226.

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To optimize the control of fan coil unit (FCU) systems under model-free conditions, researchers have integrated reinforcement learning (RL) into the control processes of system pumps and fans. However, traditional RL methods can lead to significant fluctuations in the flow of pumps and fans, posing a safety risk. To address this issue, we propose a novel FCU control method, Fluctuation Suppression–Deep Deterministic Policy Gradient (FS-DDPG). The key innovation lies in applying a constrained Markov decision process to model the FCU control problem, where a penalty term for process constraints

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Das, K. K., and D. Acharya. "Optimal replacement policy for induced draft fans." Microelectronics Reliability 28, no. 4 (1988): 519–23. http://dx.doi.org/10.1016/0026-2714(88)90134-5.

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