HVAC Systems and Applications! - Resources, Tools and Basic Information for Engineering and Design.
Air Condition systems, heating and cooling of air ...
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Condensate generation air condition systems
The air conditioner efficiency express the ratio between btu/hr removed to each watt of power drawed. EER and SEER.
Thermodynamic properties - specific volume, enthalpy and entropy - of saturated and superheated ammonia
Ammonia and health symptoms - smell and threat to life
Calculating chiller and cooling tower refrigeration in tons
Chilled-water systems formulas - evaporator and condenser flow rate
How to convert between kW/ton, COP and EER
Performance and efficiency terminology related to heat pumps and air condition systems
Latent and sensible cooling and heating equations - in imperial units
Latent and sensible cooling loads to consider in design of HVAC systems
A dehumidification tutorial with psychrometic charts
Equivalent diameters for rectangular and circular ducts - air flows 100 - 50,000 CFM
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Thermodynamic properties - specific volume, enthalpy and entropy - of saturated and superheated Freon - Dichlorodifluoromethane (CF2Cl2)
Optimal temperature and humidity conditions for some common fruits and vegetables
Heat transferred from the electrical motor to the room for different locations of fan and motor.
Heat gain from light contribute to heat load and may have major impact on the air condition system
Equivalent heat index temperatures at various temperatures and corresponding relative humidities
The amount of vapor - kg per cubic meter - in humid air
An introduction to humidity measurement
Recommended indoor temperature and humidity for some common industrial product and production processes
Installed light power in some common types of buildings and rooms
Approximate Heat Gain from Occupants in Air Conditioned Spaces - in btu/hr
Approximate metabolic heat gain from occupants in air conditioned spaces at different degrees of activities - in watts
A temperature (oF) and pressure (psia, psig) for Ammonia - NH3
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Properties of refrigerant R22 - saturated liquid and saturated vapor - both imperial and metric units
Solar heat gain with roller shades, vertical blinds and Venetian blinds
Some common and refrigerants and their physical properties
Common refrigerants - methane series, ethane series, propane series, cyclic organic compounds, zeotropic blends, azeotropic blends and organic compounds
Recommended Relative Humidity - RH - for production and process environments as libraries, breweries, storages and more.
Sensible Heat Ratio - SHR - is defined as the sensible heat or cooling load divided by the total heat or cooling load
Properties of R22 - vapor volume, enthalpy and entropy at pressures from 30 to 260 psia
Outdoor temperatures and relative humidity's in different US states and cities summer and winter
Air condition load and evaporator and condenser water flow rate
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