Midterm Study Guide for Building Systems Technology I | BC 4004, Study notes of Architecture

Download Midterm Study Guide for Building Systems Technology I | BC 4004 and more Study notes Architecture in PDF only on Docsity! Midterm Review Wednesday, August 29, 2012 9:24 AM Heat Transfer Through a Wall or Roof - Q=U*A*∆T Where Q = transfer in heat Where U = the inverse of R (insulation value) Where A = the area in question Where ∆T = the change in temperature Infiltration (Heat Transfer for Air) - Q=1.08*CFM*∆T Two types of heating systems: Hydronic (Boiler)/Forced Air (Furnace) A furnace could be either gas (natural gas, propane), electric, Heat Pump, or Steam Total Heat Loss or Heat Load Find your heat load Use a heating system (from above) to find your heating load equivalent for your building Terminal Units - hydronic (water or steam) Radiators, Fan Coil Units(FCU), Unit Heaters(UH), Cabinet Unit Heater(CUH), Radiant Flooring, Fin Tube Radiation, Convector Individual Room Heat Loss Find the equivalent elbows Calculate your equivalent weight Calculate GPM Use the friction loss Then find the pump you need Sensible + Latent = Enthalpy At 100% Relative Humidity the Dry Bulb (DB) = Wet Bulb (WB) Cooling Load Ventilation/Infiltration - Sensible + Latent Walls, Roof People (400Btu/person), Lighting (3.4Btu/sf) Appliances Clothes, temperature, air flow, humidity. ALL EFFECT A PERSONS COMFORT Windows Q=Qconduction +QSolar Need to know there are two parts to windows Orientation matters for the direction of the sun