针对固有频率计算的冰箱管路不同建模方法对比研究-豆柴文库

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针对固有频率计算的冰箱管路不同建模方法对比研究
Abstract
Refrigerationsystemsareessentialcomponentsinourdailylivesandhaveconstantlyevolvedinrecenttimesduetothequestformoreefficientandcost-effectivesystems.Onevitalaspectofrefrigerationsystemsisthedesignoftubesandpipesthatmakeupitscomponents.Inmanycases,designersfacethechallengeofchoosingthebestmodelingmethodthatadequatelypredictsthenaturalfrequencyofthesesystems.Thisresearchpaperaimstocomparevariousmodelingmethodssuitableforpredictingnaturalfrequenciesofrefrigerationsystems.
Introduction
Refrigerationsystemsrelyonpipesandtubestotransmitfluidfromonecomponenttoanother.Duetothehighoperationpressuresandvibrationinthesesystems,adequatemodelingisnecessarytoensurethedurabilityandoperationalefficiencyofthesystem.Naturalfrequencyanalysisisacrucialaspectofthismodelingprocess.Naturalfrequencyisthefrequencyatwhichanobjectvibratesfreelyifdisturbedfromitsequilibriumposition.Thisresearchpaperseekstocomparevariousmodelingmethodsofdeterminingnaturalfrequenciesofrefrigerationsystems.
LiteratureReview
Numerousanalyticalandnumericalmodelingmethodscanbeusedtodeterminethenaturalfrequenciesofrefrigerationsystems.Themostcommonmethodsincludefiniteelementanalysis,analyticalmodeling,andexperimentaltesting.Ofthesemethods,analyticalmodelinghasemergedasthemostcommonandsuitablemethodfordeterminingnaturalfrequenciesofrefrigerationsystems.Analyticalmodelingisbasedonmathematicalequationsandformulasthatconsidervariousinputssuchasmaterialproperties,geometricdimensions,andoperatingconditions.However,finiteelementanalysisandexperimentaltestinghaveproventobeequallyuseful.Experimentaltestinginvolvesphysicallytestingthesystemunderdifferentconditionswhilefiniteelementanalysisreliesonthenumericalanalysistosimulatethesystem'sresponseundervariousloadconditions.
Methodology
Tocomparethedifferentmodelingmethods,asimulationwasperformedonastandardrefrigerationsystem.ThemodelwasbuiltusingSolidWorkssoftware,andthematerialpropertieswereobtainedfrommanufacturers'datasheets.Differentcross-sect