1、天津大學(xué)碩士學(xué)位論文住宅建筑計(jì)量供熱自力式差壓控制閥及熱計(jì)費(fèi)問(wèn)題的研究姓名：孫艷申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：供熱、供燃?xì)狻⑼L(fēng)及空調(diào)工程指導(dǎo)教師：張歡20070601ABSTRACTHeatmeteringisaheatingmodewhichcansaveenergybytheadjustingofresidentsThereplacementoftraditionalheatingbyheatmeteringisstrengthened

2、Thisreformwillbeadvancedunderthesituationthattheenergysavingrequirementisimproved，theeconomicreformisperfected，andthedemandofthermalcomfortCentralheatingsystemwithheatmeteringisvariableflOWwhichdirectlycausesthehydraulic

3、balancemoredifficultSo，theresearchonthevalveperformancethatfitforthevariableflowsystemisspecialimportantAtthesametime，ajusticeandreasonableheatmeteringandchargingisneeded，becauseitmaygiveamacroscopicdirectingtothepeople’

4、SbehavioraladjustmentTheanalysisismadeonthevariableflowsystemthatfitforheatmetering，aswellasthevalvewhichinducesthehydraulicbalancingeasierTherelationsamongthefactorslikethepressuredropintheterminalunitAPL，thepressuredro

5、pacrossthecircuitHandflowQareworkedoutintermsoftheconstructionandadjustingcharacteristicAndthetheoreticisdeducedthroughexperiment，elsethefactorsofscalebandandadjustableratioareproposed，aswellasthevalidrangeHowever，aminim

6、alcontrollableflowvalueisneedediftheadjustableratiocanbeseenasaparametertOcertifythecapacityofdifferentialpressurecontrollersThroughthecalculatinganalysisofthermalproportionalcoefficientofaheatingmeteringprogram，theposit

7、ionproportionalcoefficientisgainedfromthetwostepenergysavinghouseItmeanstheanalysisoftheinfluencetoheatconsumingmadebythepositionofhouse，SOastoprovideinferencetotheapplicationofcorrectioncoefficientWiththeenergysavingdeg

8、reerisingandtheinsultingeffectofbuildingbeingbener，thepositionproportionalcoefficientissmallerandsmallerHowever，inthepresentlevelofenergysaving，thedifferenceofthermalproportionalcoefficientatdifferentpositionisbroad，espe