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PT = Pw + Pa PV = wRT Rw = 461.5 J/kg.K (for water vapour) Ra = 287.1 J/kg.K (for air) Pw = 𝑃𝑇𝑊0.622+𝑊 W = 𝑤𝑤𝑤𝑎 = 0.622𝑃𝑤𝑃𝑇−𝑃𝑤 Latent (kJ/kg) = W (2500 + 1.86t) Sensible (kJ/kg) = 1.005t M = 𝜇𝑙 W = M (Pw1 – Pw2)𝜃A Pw = Ps x RH Mc = 1𝑅𝑣𝑐 = 11𝑀1+ 1𝑀2+ … = R1 + R2 +… RH = 𝑃𝑤𝑃𝑠 x 100 ∆𝑃𝑤∆𝑃𝑤 𝑇𝑜𝑡𝑎𝑙 = 𝑅𝑣𝑅𝑣 𝑇𝑜𝑡𝑎𝑙 Dubois Equation A = 0.2024m0.425h0.725 Energy = Power x Time °C + 273 = K C = 1𝑅 = 𝑘𝑙 𝑅𝑡𝑜𝑡 = 𝑅1 + 𝑅2 + 𝑅3 + ⋯ + 𝑅𝑛 = 1𝑈 Ein = ∝It Eout = εσT4 𝑇 = √ 𝛼𝐼𝑡𝜀1𝜎+𝜀2𝜎4 𝑄 = 𝐴𝑅 ∆𝑇𝑡 ; 𝑄 = 𝐴𝑅 𝐻𝐷𝐷 𝑞 = 𝐴𝑅 ∆𝑇 ∆𝑇𝑖∆𝑇𝑡𝑜𝑡 = 𝑅𝑖𝑅𝑡𝑜𝑡 𝑞1−2 = 𝐹𝐸 ∙ 𝜎𝐴1(𝑇14 − 𝑇24) 𝑤ℎ𝑒𝑟𝑒 𝐹𝐸 = 11𝜀1 + 1𝜀2 − 1

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B U I L D I N G S C I E N C E T H E O R Y A I D S H E E T

𝜎 = 5.67𝑥10−8 𝑄 = 𝐶𝐴 [2𝜌 (𝑝1 − 𝑝2]1/2 𝑞 = 𝑆𝐶𝑥𝑆𝐻𝐺𝐹𝑥𝐶𝑙 ∓ 𝑈(𝑡𝑖 − 𝑡𝑜) 𝑉𝑧𝑉𝑔 = [ 𝑍𝑍𝑔]𝛼 𝐺𝐺𝑔 = [ 𝑍𝑍𝑔]𝛽 𝐺𝑔 = 1.35𝑉𝑔 𝐶𝑝 = 𝑝1/2𝜌𝑉2 𝑝𝑠 = 0.0342ℎ𝑝𝑡( 1𝑇𝑜 − 1𝑇𝑖) ∆𝑝 = 𝛾𝑝𝑠 = 0.0342𝛾ℎ𝑝𝑡 ∆𝑇𝑇𝑖𝑇𝑜 𝛾 = 𝑡ℎ𝑒𝑟𝑚𝑎𝑙 𝑑𝑟𝑎𝑓𝑡 𝑐𝑜𝑒𝑓𝑓𝑖𝑐𝑖𝑒𝑛𝑡

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B U I L D I N G S C I E N C E T H E O R Y A I D S H E E T

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B U I L D I N G S C I E N C E T H E O R Y A I D S H E E T

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B U I L D I N G S C I E N C E T H E O R Y A I D S H E E T

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B U I L D I N G S C I E N C E T H E O R Y A I D S H E E T

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B U I L D I N G S C I E N C E T H E O R Y A I D S H E E T

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B U I L D I N G S C I E N C E T H E O R Y A I D S H E E T

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B U I L D I N G S C I E N C E T H E O R Y A I D S H E E T