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 Wysłany: Czw 5:23, 23 Gru 2010 Temat postu: ed hardy clothing Double wall glass curtain wall d |
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Double wall glass curtain wall design and determine the gap between the hollow
hat mountain ereisalinearre-lationshipbetweenhand. Airspace / mm. 4values Bin afhIofmisavity ∈ andailDiscussion1) ThosecurvesfromA'stoB'saremainlyconvec-tiongovemedbytheheattransferequationq D 'whereq: heataclosstheairgap (kJ / (m2 ・ h)), AT: tem-peramregradientaciosstheairgap (~ C),ed hardy clothing,: heatITal ~ fercoefficient (kJ / m ・ h ・ ℃ )),stivali ugg, e: heattransfercoefficiente-quivalent (kJ / (m ・ h ・ qc)), G: Gmshofnumber. Thefollowingscanbedefinedas (ref.4):. 18G181Ae/A0 (9):. 18G (9) G: 2 × 104 ~ 2xlOsforlaminarflow/A-0_065G {() (10) G: 2 × 103 ~ 2x107forturbulance2) ThosefromB'stoC'salemainlyconductiongov-ernedbythesameheattransferequationastheabovebut / A: 1 (11) G w: 4l'lllnfrom (7) and: 16tonito36tonifrom (12). Thevalueofcallbechosenfrom16millto36inlnwhichcanachievelowU-valueaswellastoavoidglas ~ contact. Inthiscase,ugg italia, thespacerwidthasdesignatedbycommonmanufacturers, canbeselectedas: 18inlnor25inln. References: [1] SIUnitEdition. ASHRAEHmdlx ~ k [S]. 1993, chap. 27.12] PhvecskyJ. Evaluatingthermalperformanceofwindowsystem [A]. Inter'GlassMetalFenestrafionWorld'91. T Tuo n1c0C0Houston, Texas, 1991.13] RubinH. Calculatingheattransferthroughwind0w [J]. EnergyResearch, 1982,air jordans, (6): 341 ~ 349. 【4JOstrachS. Naturalconvee ~ oninenclosures [J]. AdvInHeatTransfer, 1972,8:161 ~ 227. (Edit Qiong) (_l-【) I. Hgg one. Arts,ugg milano, sut1. Plant
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