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材料类专业课传热学全英文授课面临的挑战与对策
ChallengesandStrategiesinTeachingHeatTransferinMaterialsScienceCoursesinEnglish
Introduction
Heattransferisanessentialtopicinmaterialsscience,whichdealswiththetransferofheatenergyfromoneobjecttoanother.Itisafundamentalconceptthatisusedinvariousapplications,suchasenergyconversion,manufacturing,andmaterialsprocessing.Beingacriticaltopic,itisoftenincludedinmaterialssciencecoursesatalllevelsofeducation.However,teachingheattransferinamaterialssciencecourseinEnglishtonon-nativespeakerscanposesignificantchallenges.ThispaperaimstodiscussthechallengesandstrategiesinteachingheattransferinmaterialssciencecoursesinEnglish.
Challenges
ThefirstchallengeinteachingheattransferinmaterialssciencecoursesinEnglishisthelanguagebarrier.Non-nativespeakersmaystruggletounderstandthetechnicaljargonusedinthecourse,leadingtoconfusionandmisinterpretationofconcepts.Moreover,thecomplexityofthemathematicalequationsandmodelsusedinheattransfertheorycanfurtherexacerbatethelanguagebarrierandmakeitdifficultforstudentstounderstandandapplytheconcepts.
Thesecondchallengeisthelackofpracticalexperienceinheattransferexperiments.Hands-onexperimentationiscrucialinmaterialssciencecourses,anditisparticularlyrelevantinthecaseofheattransfer.Studentsmustbeabletoconductexperimentstounderstandthedifferentheattransfermechanismsandphenomena.However,duetotheCOVID-19pandemic,laboratoryclasseshavebeencanceled,andstudentshavebeenunabletogetahands-onexperienceinconductingheattransferexperiments.Thishasresultedinalackofpracticalknowledge,whichcanleadtoagapintheunderstandingoftheconcepts.
Thethirdchallengeistheculturalandeducationaldifferences.Internationalstudentsmaycomefromdifferentculturalandeducationalbackgrounds,whichcanaffecttheirlearningstyle.Somestudentsmaybeusedtomemorization-basedlearning,whileothersmaybemorecomfortablewithproblem-solvingbasedlearning.Thiscancreateabarriertolearningasthecoursemaynotbedeliveredinawaythatisfamiliartothem.
Strategies
Toovercomethelanguagebarrier,instructorscanuse