Overview

Control Harmful Emissions and Improve Work Conditions Local Exhaust Ventilation: Aerodynamic Processes and Calculations of Dust Emissions examines how emissions inherent to production processes in the metal, mining, chemical, and other industries can adversely affect the workplace by compromising a worker's health and/or contributing to the deterioration of equipment quality and performance. Professionals concerned with the aerodynamics of dust control ventilation, particularly at industrial plants, can greatly benefit from this book. This text considers the impact of emissions exposure to occupational safety and health and the environment, explores the practical purposes of industrial ventilation, and outlines how local exhaust ventilation can help control the emission of harmful substances in industry. The book outlines methods used for surveying currents in local exhaust ventilation systems and deals with the aerodynamics of loose-matter handling in porous ducts and the identification of regularities in air circulation patterns in bypass ducts. Topics covered include the determination of vortex field boundaries, development dynamics of vortex flow patterns, and interaction between the exhaust plume and inflow jets. Divided into two sections, this text: * Examines the computations of gas-borne dust flows in local exhaust ventilation systems * Provides practical recommendations for the energy-efficient containment of dust emissions * Discusses basic approaches to operational energy savings for local exhaust ventilation systems * Uses color photos throughout to illustrate dust behavior, flow lines, and patterns Local Exhaust Ventilation: Aerodynamic Processes and Calculations of Dust Emissions establishes local exhaust ventilation as the most reliable way to control the emission of harmful substances. This text incorporates solutions that reduce material carryover rates and decrease the volume of air evacuated by suction, adequately reducing the dust level in an industrial work area, and can help solve a number of problems related to industrial ventilation.

Full Product Details

Author:   Ivan Nikolaevich Logachev ,  Konstantin Ivanovich Logachev ,  Olga Averkova
Publisher:   Taylor & Francis Ebooks
Imprint:   CRC Press
ISBN:  

9781498720649

ISBN 10:   1498720641
Pages:   564
Publication Date:   07 May 2015
Audience:   General/trade ,  College/higher education ,  General ,  Tertiary & Higher Education
Format:   Electronic book text
Publisher's Status:   Active
Availability:   Available To Order  
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Table of Contents

AERODYNAMICS OF DUST AIRFLOWS IN THE SPECTRA OF AIR EXHAUST DUCTS Determination of the Velocity Field by Conformal Mapping Methods Unseparated Flows Separated Flows Calculation of the Flow at the Entrance of the Slot-Type Suction Bell Simulation of Flow Separation at the Inlet of a Projecting Flat Suction Channel Mathematic Simulation of Influence of a Screen on the Aerodynamic Drag Value of a Suction Slot Simulation of Air Jet Flow at the Inlet into a Hooded Flat Channel Equipped with an Impermeable Screen Laws of Separated Flows at the Inlet into a Projecting Channel with Screens Calculation of Flat Potential Flows by the Boundary Integral Equation Method Flow Superposition Method Boundary Integral Equations Method Calculation of Vortex Flows Frictional Flows Flow Simulation Using a Vortex Layer Vortex Flow around a Slot-Type Suction Above the Right Dihedral Angle Nonstationary Flows around Slot-Type and Round Suction Units Supply Air Jet Suction United Exhausts Closed Region Flows: Model Problems Modeling Flows in Thin Screen Areas (Slot-Type) Modeling Separated Flows Using Stationary Discrete Vortices Behavior of Dust Particles in the Suction Range Modeling the Behavior of Single Dust Particles in the Range of Semiclosed and Closed Exhaust Ducts Analysis of Dust Particle Dynamics Induced at Open Local Exhausts by Rotating Cylinders Modeling Dust Particle Dynamics in Suction Units with Rotating Cylinders Modeling the Behavior of Dust Particles in Pulsating Flows Modeling the Behavior of Polyfractional Aerosol in a Suction Unit Some Gas-Dust Flow Calculation Data Obtained Using RANS and LES Methods RECIRCULATION OF EJECTED AIR IN CHUTES Specific Features of Air Ejection in a Perforated Duct with a Bypass Chamber One-Dimensional Dynamics Equations for Ejected and Recycled Air Linearization of Relative Motion Equations for Air Ejected in a Perforated Pipe Numerical Studies Specific Behavior of Air Recirculation in a Transfer Chute with a Combined Bypass Chamber Conclusions Air Ejection in a Porous Pipe with Linear Cross-Flow Pattern Porous Pipe without Bypass Porous Pipe with a Bypass Chamber Conclusions Specific Features of Air Ejection in Elevator Handling of Grain Variation of Ejection Heads Created by Falling Particles in Chutes with Varying Frontal Drag Coefficients Ejecting Properties of a Bucket Elevator Cross Flow of Air through Sealed Elevator Enclosures Conclusions Measures for Reducing Aspiration Volumes in Elevator Handling of Grain Aerodynamic Performance of Elevator Buckets Features of the Proposed Design for Aspiration Layout of Grain Elevators Aspiration Volumes Reducing Required Aspiration Volumes in Bypassed Elevator Handling Systems Conclusions References

Reviews

Properly designed and effective air pollution control and industrial ventilation systems are essential for maintaining required indoor and outdoor air quality and safe and healthy working conditions for personnel employed at numerous industries, dealing with generating, processing, or containing particulate matter. This fundamental study of complicated aerodynamics and particulate matter dynamics in industrial ventilation and air pollution control systems provides important contribution to the field of industrial ventilation and air pollution control. The results of extensive theoretical & practical studies, provided in this book, are beneficial to engineers, designing local exhaust ventilation and air pollution control systems, industrial hygienists, and students in the fields of mechanical engineering, environmental engineering, fire protection engineering, and industrial hygiene. -Vladimir Ivensky, CIH, CSP, VP, Health, Safety & Environment, Environment & Infrastructure, Amec Foster Wheeler

Author Information

Ivan Nikolayevich Logachev holds a doctorate in engineering and is a professor and academician at the Russian Academy ofNatural Sciences, Moscow, Russia. He graduated from the Kharkiv Engineering-Building Institute in 1962, with a specialization in heat and ventilation. For more than 30 years he worked in the All-Union Scientific Research Institute of Safety and Environment in the Mining and Metallurgical Industry (Krivoy Rog), where he was promoted from research assistant to the head of the laboratory of industrial ventilation. Dr. I. Logachev is the author of more than 300 scientific papers, more than 50 inventions, and several monographs. Konstantin Ivanovich Logachev holds a doctorate in engineering and is a professor at Belgorod State Technological University, Belgorod, Russia, where he has been working since 1995. He graduated from the Dnepropetrovsk State University in 1992, with a specialization in hydroaerodynamics. Dr. K. Logachev has authored more than 150 scientific publications. Olga Aleksandrovna Averkova received a Candidate of Technical Sciences degree from the Belgorod State Technological University, Belgorod, Russia in 2004, and is currently an associate professor at the university. She has authored more than 100 scientific publications.

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