Tillman Hatcher Mechanical Engineering (HVAC) Heating, Ventilation, and Air Conditioning Design

Experience at McClendon Trucking Company, Rockwell International, and Peterbilt Motors

Company:

• Air Conditioning and Environmental Control• Central System Components• Central Mechanical Equipment• All-Air Systems• Air-and-Water Systems• All-Water Systems• Unitary Air Conditioners• Heat Pump Systems• Heat Recovery Systems• Adiabatic Saturation

04/13/2023 Tillman Hatcher 1

• Wet bulb Temperature and the Psychrometric Chart• Space Air Conditioning – Design Conditions• Space Air Conditioning – Off-design Conditions• Physiological Considerations• Environmental Indices• Comfort Conditions• Control of indoor Air Quality• Problems with the Cleaning of Air• Basic Heat-transfer Modes – Expert• Moisture Transmission• Thermal Radiation• Solar Irradiation• Measurement of Direct and Diffuse Solar Radiation Problems• Outdoor Design Conditions• Indoor Design Conditions

04/13/2023 Tillman Hatcher 2

• Calculation of Heat Losses• Heat Losses from Air Ducts• Auxiliary Heat Sources• Intermittently Heated Structures• Air Required for Space heating• Estimating Fuel Requirements Problems• Heat Gain, Cooling Load, and Heat Extraction Rate• Cooling Load – External Surfaces• Cooling Load – Internal Surfaces• Heat Gain from Infiltration and Outdoor Ventilation Air• Air Quantities• Energy Calculations• Heat Extraction Rate and Room Temperature• Building and Equipment Thermal Simulation Problems• Fluid Flow Basics

04/13/2023 Tillman Hatcher 3

• Centrifugal Pumps• Combined System and Pump Characteristics• Piping System Design• Control of Hydronic Systems• Large System Design Problems• Air Motion and Comfort• Behavior of Jets from Outlets• Air-Distribution System Design Problems• Fans – Performance, Selection, Installation• Field Performance Testing• Fans and Variable Air Volume Systems• Air Flow in Ducts• Air Flow in Fittings• Turning Vanes and Dampers• Duct Design

04/13/2023 Tillman Hatcher 4

• Design of Low-Velocity Duct Systems• High-Velocity Duct Design Problems• Combined Heat and Mass Transfer• Adiabatic Saturation Temperature versus Wet Bulb Temperature• Basic Relations for the Air Washer• The Spray Dehumidifier• Cooling Tower Problems• Heat Transfer – Single-Component Fluids• Transport Coefficients Inside Tubes• Transport Coefficients Outside Tubes and Compact Surfaces• Design Procedures for Sensible Heat Transfer• Refrigerants• Compressors• Refrigeration Control Valves

04/13/2023 Tillman Hatcher 5

• Absorption Refrigeration• Properties and Processes of Homogeneous Binary Mixture• The Theoretical Absorption Refrigeration System• The Aqua-Ammonia Absorption System• The Lithium Bromide-Water Absorption System• Water at Saturation• Moist Air• Refrigerant 12• Refrigerant 22• Refrigerant 134a

04/13/2023 Tillman Hatcher 6