Field survey of mine ventilation system for large opening underground mines: Pressure, relative humidity, and temperature

2021 ◽  
pp. 489-497
Author(s):  
Nathan Gendrue ◽  
Shimin Liu ◽  
Sekhar Bhattacharyya ◽  
Cheryl Spellman
Keyword(s):  
Relative Humidity ◽  
Field Survey ◽  
Ventilation System ◽  
Mine Ventilation ◽  
Underground Mines ◽  
Large Opening

scholarly journals Intelligent Ventilation Systems in Mining Engineering: Is ZigBee WSN Technology the Best Choice?

2021 ◽  
Vol 4 (3) ◽  
pp. 42
Author(s):  
Mario Di Nardo ◽  
Haoxuan Yu
Keyword(s):  
Ventilation System ◽  
Mining Industry ◽  
Mine Ventilation ◽  
Underground Mines ◽  
Mining Engineering ◽  
Great Role ◽  
Present Stage ◽  
Paper Briefly ◽  
Ancient Times ◽  
Ventilation Systems

With the continuous development and progress of the mining industry, various technologies in mining engineering have gradually developed towards the intelligent stage, and the ventilation system is no exception. Since ancient times, mine ventilation has been a necessary part of mining engineering, and so the optimization of mine ventilation undoubtedly plays a great role in mining production. This two-part opinion paper briefly introduces the development of the intelligent ventilation in mining engineering and serves as a guide to the Tossing out a brick to get a jade gem, with implications for both the development and the future of the underground mine ventilation systems. Finally, in the second part of the paper, we explain why we think ZigBee WSN technology is the best choice in intelligent ventilation systems in underground mines at the present stage.

scholarly journals A review on underground mine ventilation system

2021 ◽  
Vol 69 (2) ◽  
pp. 62
Author(s):  
Omer Haitham Kanam ◽  
Maher Obaid Ahmed
Keyword(s):  
Flow Rate ◽  
Ventilation System ◽  
Optimization Methods ◽  
Mine Ventilation ◽  
High Energy ◽  
Major Effect ◽  
Underground Mines ◽  
Total Power ◽  
Total Power Consumption ◽  
Simulation Based

In the field of mines, there are dozens of methods concerned with the optimization of ventilation system in underground mines and how bad ventilation system is playing a major effect on miners and mine’s activities. The ventilation system is considered very important because it consumed high energy of mines of total power consumption. This paper is a review of previous studies, which have been done before on design of ventilation system and its optimization methods like, using of software tools to simulate the numerical equations based on the pressure, temperature, flow rate, and other effected parameters, which are recorded by various ways of surveying. It has observed that Ventsim software is widely used because of its flexibility in dynamic simulation based on various parameters included deep, fan position and flow rate.

scholarly journals Quality of outdoor and indoor environment during the cruise of the tall ship STS Fryderyk Chopin

2018 ◽  
Vol 49 ◽  
pp. 00024
Author(s):  
Szymon Firląg
Keyword(s):  
Relative Humidity ◽  
Ventilation System ◽  
Pm 2.5 ◽  
The North ◽  
University Of Technology ◽  
Open Sea ◽  
The North Sea ◽  
Pm 10 ◽  
The Impact

The aim of this paper is to present the results of measurements, on the quality of internal and external environment, carried out during the cruise of the tall ship STS Fryderyk Chopin. The cruise took place between 16th and 30th September 2017 as part of the scientific seminar of the Warsaw University of Technology (WUT) on the Wave, addressed to students of the WTU. After leaving the port of Edinburgh, crossing the North Sea, the Danish straits, stops in Copenhagen and Kołobrzeg, the tall ship reached Szczecin after two weeks. The measurements carried out on the deck included the temperature and relative humidity of the indoor air in three cabins and the men’s bathroom. In two cabins, the CO2 concentration was measured additionally. The outdoor temperature, relative humidity and concentration of PM 1.0, PM 2.5 and PM 10 were also measured. The obtained results allowed to assess the quality of the internal environment in accordance with the standards and to analyze the effectiveness of the mechanical ventilation system. Measurements of particulate matter have shown significant differences between outdoor air quality in the open sea and in ports or near major shipping routes. It turned out that the impact of emissions from passing ships using diesel engines is clearly visible.

scholarly journals Study on IBS Cooling Panel Wall System with Difference Types of Cooling Mediums

2020 ◽  
Vol 11 (2) ◽  
Author(s):  
Eny Nor Syahira Mohamad Hashim ◽  
◽  
Norhafizah Salleh ◽  
Noor Azlina Abdul Hamid ◽  
◽  
...  
Keyword(s):  
Relative Humidity ◽  
Air Conditioning ◽  
Ventilation System ◽  
Target Strength ◽  
Outdoor Temperature ◽  
Design Concepts ◽  
Building Ventilation ◽  
American Society ◽  
Wall System ◽  
Indoor And Outdoor

This paper proposes a cooling house system that can promote thermal comfort in buildings without air-conditioning. The cooling panel wall forms a part of an Integrated Building System (IBS), and is essentially made of tubes filled with either water or glycerin as the coolant. Target strength for the panel wall was designed based on the Malaysian Standard (MS) while the building ventilation system followed the American Society of Heating, Refrigerating, and Air Conditioning Engineers (ASHRAE) standard. The results are reported based on indoor and outdoor temperature difference together with relative humidity to identify the best performing house model and also coolant. The outcome of this research is expected to add value to design concepts with a better promotion of air flow and circulation in the building, without over-usage of natural resources and higher building cost to achieve the same objective.

scholarly journals SIMULATING THE SENSITIVITY OF UNDERGROUND VENTILATION NETWORKS TO FLUCTUATING AMBIENT CONDITIONS

2021 ◽  
Vol 32 (2) ◽  
pp. 45-51
Author(s):  
Ryan Fair ◽  
Jean van Laar ◽  
Kristy Nell ◽  
Diaan Nell ◽  
Edward Mathews
Keyword(s):  
Cost Effective ◽  
Mine Ventilation ◽  
Simulation Software ◽  
Underground Mines ◽  
Ambient Conditions ◽  
Mining Operations ◽  
Industrial Systems ◽  
Effective Ventilation ◽  
Cost Implications ◽  
Ventilation Systems

The weather directly impacts ventilation systems, especially large industrial systems found in underground mines. Underground mine ventilation systems have high cost implications that add to the financial strains and uncertainties of future mining operations. In addition, the dynamic nature of underground ventilation systems makes the accurate prediction of underground conditions extremely difficult using traditional steady-state methods. Therefore, improved prediction methods of dynamic underground environmental conditions are needed to ensure cost-effective ventilation systems. This paper investigates simulating the sensitivity that underground ventilation systems have to fluctuating ambient conditions. Simulation software was applied to a case study on a gold mine in South Africa. The results showed that transient software can now be applied to entire mine ventilation systems, and can improve predicting the underground environment because of fluctuating ambient conditions.

scholarly journals CFD-Based Determination of the Optimal Blowing and Suction Air Volume Ratio of Dual-Radial Swirl Shielding Ventilation in a Fully Mechanized Excavation Face

Geofluids ◽  
2021 ◽  
Vol 2021 ◽  
pp. 1-12
Author(s):  
Kuan Wu ◽  
Shiliang Shi ◽  
Yijie Shi ◽  
Yong Chen
Keyword(s):  
Ventilation System ◽  
Volume Ratio ◽  
Simulation Method ◽  
Dust Concentration ◽  
Dust Control ◽  
Underground Mines ◽  
Physical And Mental Health ◽  
Control Effect ◽  
Air Curtain ◽  
Air Volume

Dust is one of the main pollutants in coal mines, which seriously affects the physical and mental health of workers, as well as the safe production in underground mines. Dual-radial swirl shielding ventilation is a new ventilation method for a fully mechanized excavation face and can effectively reduce the dust concentration in the underground. The dust control effect of dual-radial swirl shielding ventilation is mainly affected by the thickness and integrity of the shielding air curtain, as well as the disturbance of the flow field near the air curtain. By changing the blowing and suction air volume ratio of the air duct, the strength of the radial air curtain can be improved, and the dust control effect of the dual-radial swirl shielding ventilation system can be effectively improved. In order to determine the optimal operating parameters of the dual-radial swirl shielding ventilation system, a numerical simulation method was used to conduct an in-depth study on the blowing and suction air volume ratio of the system. The results showed that when the blowing and suction air volume ratio of the air duct was 1.5, the radial air curtain had the highest strength. Under this condition, the dust concentration at the driver’s position of the roadheader was the lowest, and the dual-radial swirl shielding ventilation system can achieve an ideal dust control effect.

A Risk Analysis Method for Estimation of Financial Benefits of the Existing Mine Ventilation System

2020 ◽  
Vol 37 (4) ◽  
pp. 1137-1149
Author(s):  
Sergei Sabanov ◽  
Nasser Madani ◽  
Zarina Mukhamedyarova ◽  
Yerbol Tussupbekov
Keyword(s):  
Risk Analysis ◽  
Ventilation System ◽  
Mine Ventilation ◽  
Analysis Method ◽  
Financial Benefits

An overview of the Nordic mine ventilation system

CIM Journal ◽  
2020 ◽  
Vol 11 (2) ◽  
pp. 111-119
Author(s):  
A. Halim ◽  
T. Bolsöy ◽  
S. Klemo
Keyword(s):  
Ventilation System ◽  
Mine Ventilation

Rationality Fuzzy Comprehensive Evaluation of Mining Ventilation System

2013 ◽  
Vol 710 ◽  
pp. 808-811
Author(s):  
Lei Gang Miao ◽  
Yuan Yuan Niu ◽  
Dian Bao Yu
Keyword(s):  
Influence Factor ◽  
Comprehensive Evaluation ◽  
Ventilation System ◽  
Fuzzy Comprehensive Evaluation ◽  
Mine Ventilation ◽  
Fuzzy Mathematics ◽  
Widespread Application ◽  
Fuzzy Characteristic ◽  
Mathematics Method

Each influence factor had the obvious fuzzy characteristic in view of the mine ventilation system, the utilization fuzzy mathematics method has established one kind of new ventilation system rationality fuzzy mathematics judgment model, carried on the synthesis judgment to the ventilation system rationality, this judgment method could give the quota description direct-viewing to the system rationality. Finally, take some mining bureau's four ore as the example, has confirmed the model rationality. This method may operational strong, the effect be better, may in the general mine ventilation system appraisal the widespread application.

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