HVAC Systems
Heating, Ventilation and Air Conditioning systems ...
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Air Conditioning
Air Conditioning systems - heating, cooling and dehumidification of indoor air for thermal comfort
Heating
Heating systems - capacity and design of boilers, pipelines, heat exchangers, expansion systems and more
Noise and Attenuation
Noise is usually defined as unwanted sound - noise, noise generation, silencers and attenuation in HVAC systems
Ventilation
Systems for ventilation and air handling - air change rates, ducts and pressure drops, charts and diagrams and more
Acoustic Calculation of Ventilation Systems
A procedure for acoustic noise calculation of ventilation systems
Calculating Indoor Temperature and Humidity Loads
Calculating sensible and latent heat from persons, lights, electric equipment, machines, evaporation from water surfaces, polluting fluids and miscellaneous loads
Dehumidification
Principles of dehumidifying - cooling, adsorption or absorption
Fuels - Combustion Air and Flue Gases
Combustion air and flue gas for common fuels - coke, oil, wood, natural gas and more
Fuels - Exhaust Temperatures
Exhaust and outlet temperatures for some common fuels - natural gas, liquefied petroleum, diesel and more
Fuels - Higher Calorific Values
Higher calorific values for some common fuels - coke, oil, wood, hydrogen and others
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Fuels and Chemicals - Auto Ignition Temperatures
The ignition point for some common fuels and chemicals - butane, coke, hydrogen, petroleum and more
HVAC Diagram - online drawing
Online HVAC diagram drawing
HVAC Terms
Definition of some common HVAC industry terms - absolute humidity, pressure, temperature and more
Heat, Work and Energy
Tutorial to heat, work and energy - essentials as specific heat and specific heat capacity
Humidifying Air with Steam - SI units
The amount of vapor - kg per cubic meter - in humid air
Moisture Transport through Building Walls and Roofs
Moisture flows from one side of a wall or roof if the vapor partial pressure is higher on one side than the other
Natural Gas Consumption
Natural gas consumption in common equipment - boiling pans, ovens, cookers, kettles and more
Optimal Combustion Processes - Fuels and Excess Air
Stable and efficient combustion conditions require correct mixtures of fuels and oxygen
Outdoor Temperature and Relative Humidity - US Winter and Summer Conditions
Outdoor design temperature and relative humidity in US states and cities - summer and winter
