HVAC Systems Encyclopedia

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

ACGIH

Sections

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

Saltation Velocity in Pneumatic Conveying Systems

Understand saltation velocity principles, calculations, and design criteria for material transport in industrial exhaust ducts. Includes physics-based formulas and velocity tables.

Industrial Dust Collection Systems

Comprehensive guide to industrial dust collection equipment including cyclones, baghouses, cartridge filters, and wet scrubbers. Covers collection efficiency, particle size considerations, and combustible dust safety per ACGIH and NFPA standards.

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.

Refrigerant Toxicity Levels and Classifications

Technical analysis of refrigerant toxicity classifications including Class A/B designations, occupational exposure limits (OEL), permissible exposure limits (PEL), threshold limit values (TLV), and physiological effects per ASHRAE 34 and ACGIH standards.