HVAC Systems Encyclopedia

A comprehensive encyclopedia of heating, ventilation, and air conditioning systems

Local Exhaust Ventilation

Sections

Hood Entry Losses in Industrial Exhaust Systems

Technical analysis of hood entry loss coefficients, vena contracta effects, and streamlined vs. sharp-edge entry design for industrial local exhaust ventilation.

Capture Velocity for Industrial Local Exhaust

Technical analysis of capture velocity ranges, contaminant generation conditions, velocity decay relationships, and distance effects for local exhaust ventilation hood design

Face Velocity Requirements for Industrial Exhaust Hoods

Face velocity measurement, uniformity standards, and recommended values for industrial exhaust hood design across applications with testing methods and regulatory compliance.

Hood Static Pressure in Industrial Exhaust Systems

Comprehensive analysis of hood static pressure calculations, measurement methods, and pressure loss factors in industrial local exhaust ventilation systems.

Source Capture Principles for Industrial Fumes

Source capture fundamentals for industrial fume extraction including capture zone calculations, hood positioning, airflow patterns, and breathing zone protection.

Local Exhaust Arms for Industrial Fume Extraction

Technical guide to articulating exhaust arms for welding and fume extraction. Covers arm design, flow rates, capture velocities, hood configurations, positioning systems, and maintenance requirements.

Solvent Vapor Control in Printing Plants

Engineering analysis of LEL monitoring systems, local exhaust ventilation design, vapor recovery technologies, and EPA compliance for printing plant solvent management.

Industrial Fume Extraction Systems

Technical guide to welding fume capture, local exhaust arms, source capture effectiveness, and metal working fume control systems. Covers OSHA and ACGIH standards for industrial health hazard control.

Source Control Strategies for Indoor Air Quality

Engineering hierarchy for contaminant source control including elimination, substitution, isolation, and local exhaust based on ASHRAE 62.1 and industrial hygiene principles.

Industrial Local Exhaust Ventilation

Comprehensive guide to industrial local exhaust systems including hood design, capture velocity calculations, duct system design, air cleaning equipment, and contaminant control strategies for workplace safety.