Selection of main mechanical ventilators for underground coal mines : a case study

This book provides information on proper underground mine ventilation in order to detail its importance in maintaining safe, productive, healthy and effective underground environments at all times for employees. The text covers correct design, implementation and maintenance of mine ventilation throu...

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Bibliographic Details
Main Author Jha, Ajay Kumar
Format Electronic eBook
LanguageEnglish
Published Cham : Springer, 2017.
SeriesSpringerBriefs in environmental science.
Subjects
Mine ventilation > Equipment and supplies > Case studies.
Coal mines and mining > Equipment and supplies > Case studies.
elektronické knihy
electronic books
Online AccessPlný text

Cover

Table of Contents:
  • Preface; Acknowledgements; Contents; Chapter 1: Importance and Characteristics of Main Mechanical Ventilator; 1.1 Introduction; 1.2 Characteristics of Main Mechanical Ventilator; 1.3 Prime Factors for Selection of Main Mechanical Ventilator; 1.4 Complexities in Selection of Main Mechanical Ventilator; 1.5 Summary of the Chapter; References; Chapter 2: Ventilation Network Analysis; 2.1 Introduction; 2.2 Analytical Method; 2.3 Numerical Method; 2.4 Hardy Cross Method; 2.5 Monte Carlo Method; 2.6 Ventilation Modeling; 2.7 Summary of the Chapter; References.
  • Chapter 3: Method of Selection of Main Mechanical Ventilator3.1 Introduction; 3.2 An Overview of Technical Considerations; 3.3 Precautions to Be Taken During Technical Considerations; 3.4 Economic Considerations; 3.5 Summary of the Chapter; References; Chapter 4: Possible Ways for Reducing the Ventilation Cost; 4.1 Introduction; 4.2 Methods of Reducing the Ventilation Cost; 4.2.1 Reducing the Pressure/Head Loss due to Mine Resistance; 4.2.2 Selecting a Fan with the Highest Possible Efficiency; 4.2.3 Reducing the Gas Amount Using Methane Drainage in Very Gassy Mines.
  • 4.2.4 Reducing All Air Leakages to a Minimum4.2.5 Reducing the Resistance of Mine Shaft; 4.3 Flow Control and Energy Saving; 4.3.1 Constant Speed of Drive and Fan with Capacity Control by Devices Which Modify the Fan or the System Characteristics; 4.3.2 Constant Speed Drive with Provision for Variation of Fan Speed by Auxiliary Intermediate Devices Between the Fan and the Drive; 4.3.3 Variable Speed Drive Directly Coupled to the Fan; 4.3.4 Deblading; 4.3.5 Variable Volume or Variable Geometry Mechanisms; 4.3.5.1 Variable Geometry Mechanism; 4.3.5.2 Variable Volume Mechanism.
  • 4.4 Facilities to Regulate Ventilation in Mechanical Ventilator in Axial Flow Fan4.4.1 Airfoils; 4.4.2 Casing; 4.4.3 Collector; 4.4.4 Cowl; 4.4.5 Diffuser; 4.4.6 Blades; 4.5 Summary of the Chapter; References; Chapter 5: Computer Program for Fan Selection; 5.1 Introduction; 5.2 Algorithm; 5.3 User's Guide and Data Handling; 5.3.1 Data Files Used by the FAN. EXE Program; 5.3.2 Preparing Cost Parameters Data File; 5.3.3 Preparing Fan Characteristics Data File; 5.3.4 Preparing Efficiency Data File; 5.3.5 Preparing Power Data File; 5.3.6 Important Note.
  • 5.4 Running the Program and Compiling the Program5.4.1 Compiling the Source; 5.5 Limitation of the Program; 5.6 Summary of the Chapter; References; Chapter 6: Application of the Computer Program: An Indian Case Study; 6.1 Introduction; 6.2 Particulars of Data Files; 6.3 Program Output Including Graphical Output; 6.4 Interpretation Drawn from Program Output; 6.4.1 Discussion on FAN-1; 6.4.2 Discussion on FAN-2; 6.4.3 Discussion of FAN-3; 6.4.4 Discussion of FAN-4; 6.4.5 Discussion on FAN-5; 6.4.6 Discussion of FAN-6; 6.4.7 Discussion on FAN-7; 6.4.8 Discussion on FAN-8.

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