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Samenvatting Comfort_Formularium

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Formularium. Alle formules die aan bod komen in een lijst, opgesplitst in thermisch, visueel en akoestisch comfort. Alsook de lijst met materialen gezien te kennen voor thermisch comfort.

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Uploaded on
June 1, 2022
Number of pages
7
Written in
2020/2021
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Formularium visueel
• C=λ⋅f
J
• E = (6,63 ⋅ 10−34 ) ⋅ f s
−34 ) J
o (6,63 ⋅ 10 s
= constante van Planck
ϕ
• η= P
ϕ
• I=ω
ϕ
• E= A
I
• E = r2 ⋅ cos α3
I
• L=A
schijnbaar
Door oppervlak gereflecteerde straling
• Albedo of reflectiecoëfficiënt = Op het oppervlak invallende straling
𝐿𝐿
• 𝑅𝑅𝐿𝐿 = 𝐸𝐸
𝐸𝐸
• 𝐷𝐷𝐷𝐷 = 𝐸𝐸 𝑖𝑖 ⋅ 100%
𝑒𝑒
𝜙𝜙
• 𝐸𝐸 = 𝐴𝐴
⋅ 𝑛𝑛 ⋅ 𝐿𝐿𝐿𝐿𝐿𝐿 ⋅ 𝑈𝑈𝑈𝑈
o N = aantal armaturen
o LFF = lichtverliesfactoren
o UF = benuttigingsfactor
𝑙𝑙𝑙𝑙𝑙𝑙𝑙𝑙𝑙𝑙𝑙𝑙 𝑣𝑣𝑣𝑣 𝑟𝑟𝑟𝑟𝑟𝑟𝑟𝑟𝑟𝑟𝑟𝑟 𝑥𝑥 𝑏𝑏𝑏𝑏𝑏𝑏𝑏𝑏𝑏𝑏𝑏𝑏𝑏𝑏 𝑣𝑣𝑣𝑣 𝑟𝑟𝑟𝑟𝑟𝑟𝑟𝑟𝑟𝑟𝑟𝑟
• 𝑟𝑟𝑟𝑟𝑟𝑟𝑟𝑟𝑟𝑟𝑟𝑟 − 𝑖𝑖𝑖𝑖𝑖𝑖𝑖𝑖𝑖𝑖 = 𝑛𝑛𝑛𝑛𝑛𝑛𝑛𝑛𝑛𝑛𝑛𝑛𝑛𝑛 ℎ𝑜𝑜𝑜𝑜𝑜𝑜𝑜𝑜𝑜𝑜 𝑥𝑥 (𝑙𝑙𝑙𝑙𝑙𝑙𝑙𝑙𝑙𝑙𝑙𝑙 𝑣𝑣𝑣𝑣 𝑟𝑟𝑟𝑟𝑟𝑟𝑟𝑟𝑟𝑟𝑟𝑟+𝑏𝑏𝑏𝑏𝑏𝑏𝑏𝑏𝑏𝑏𝑏𝑏𝑏𝑏 𝑣𝑣𝑣𝑣 𝑟𝑟𝑟𝑟𝑟𝑟𝑟𝑟𝑟𝑟𝑟𝑟)

, Formularium
• Convectie : 𝒒𝒒𝒄𝒄 = 𝒉𝒉𝒄𝒄 (𝑻𝑻𝜶𝜶 − 𝑻𝑻𝑺𝑺 )
𝑊𝑊
o Qc = convectieve warmteflux =𝑚𝑚2
𝑊𝑊
o Hc = convectieve warmteoverdrachtscoëfficiënt = 𝑚𝑚2 𝐾𝐾
o Ta = temperatuur lucht = °C
o Ts = oppervlaktetemperatuur element = °C
• Straling : 𝒒𝒒𝒓𝒓 = 𝒉𝒉𝒓𝒓 (𝑻𝑻𝑨𝑨 − 𝑻𝑻𝑩𝑩 )
𝑊𝑊
o Qr = netto stralingsflux uitgewisseld tussen A en B = 𝑚𝑚2
𝑊𝑊
o Hr = stralingswarmteoverdrachtscoëfficiënt = 𝑚𝑚2 𝐾𝐾
o TA – TB = oppervlaktetemperatuurverschil van 2 stralende elementen = °C
𝝀𝝀 𝑻𝑻 −𝑻𝑻
• Geleiding : 𝒒𝒒𝒈𝒈 = 𝒅𝒅 (𝑻𝑻𝟐𝟐 − 𝑻𝑻𝟏𝟏 ) = 𝟐𝟐 𝑹𝑹 𝟏𝟏
𝑊𝑊
o Qg = warmteflux door geleiding = 𝑚𝑚2
o d = dikte materiaal =m
𝑾𝑾
o 𝝀𝝀 = warmtegeleidingscoëfficiënt = 𝒎𝒎𝒎𝒎
• Warmteweerstand :
o Homogene wand
𝒅𝒅
 𝑹𝑹𝒄𝒄 = 𝝀𝝀
𝑚𝑚2 𝐾𝐾
• Rc = warmteweerstand van een constructielaag = 𝑊𝑊
• d = dikte constructielaag =m
𝑊𝑊
• 𝜆𝜆 = warmtegeleidingscoëfficiënt = 𝑚𝑚𝑚𝑚
• Rc – totaal = Σ Rc
o Heterogene wand
𝑨𝑨
 𝑹𝑹𝑪𝑪−𝒘𝒘𝒘𝒘𝒘𝒘𝒘𝒘 = 𝒕𝒕𝒕𝒕𝒕𝒕
𝑨𝑨𝒏𝒏
𝜮𝜮� �
𝑹𝑹𝒄𝒄𝒄𝒄

• Atot = totale oppervlakte = m²
• An = oppervlakte vh deel n vd muur = m²
𝑚𝑚²𝐾𝐾
• Rcn = Rc – waarde van deel n vd wand = 𝑊𝑊
𝑻𝑻𝒊𝒊 −𝑻𝑻𝒆𝒆
• Warmtetransmissie : 𝒒𝒒𝒕𝒕𝒕𝒕𝒕𝒕 = = 𝑼𝑼(𝑻𝑻𝒊𝒊 − 𝑻𝑻𝒆𝒆 )
𝑹𝑹𝒕𝒕𝒕𝒕𝒕𝒕
o Qtot = totale warmteflux
o Ti = binnentemperatuur
o Te = buitentemperatuur
o Rtot = totale thermische weerstand
= Rg + Rc + Rr
𝑾𝑾 𝟏𝟏
• Warmtedoorgangscoëfficiënt : = 𝒎𝒎²𝑲𝑲 = 𝑹𝑹
𝐭𝐭𝐭𝐭𝐭𝐭
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