Transcription of HVAC & Cooling Towers Practical Calculations
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HVAC & Cooling Towers Practical Calculations
An Approved Continuing Education Provider PDHonline Course M 425 (5 PDH) HVAC & Cooling Towers Practical Calculations Instructor: Jurandir Primo, PE 2011 PDH Online | PDH Center 5272 Meadow Estates Drive Fairfax, VA 22030-6658 Phone & Fax: 703-988-0088 PDH Course M 425 2011 Jurandir Primo Page 2 of 74 : CONTENTS - Heat and Temperature - Thermodynamics Basic Concepts Tons of Refrigeration Metabolic Rate Comfort Zone Heat Transfer Dry Bulb Temperature Psychrometrics Concepts Basic Air Conditioning Calculations Heat Loss by Conduction Overall Coefficient of Heat Transmission ( U ) Heat Loss Calculations Heat Conduction and Thermal Resistance - Heat Loss due Air Change (ACH) and Ventilation 15.
The gram calorie, small calorie or calorie (cal) is the amount of energy required to raise the temperature of one gram of water from 19.5 °C to 20.5 °C under standard atmospheric pressure of 1.033 Kg/cm² (14.7 psi). Btu - British Thermal Unit. The “Btu” is the standard unit of measurement for heat. A Btu is defined as
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