?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=KAJIAN+EKSPERIMENTAL+PERPINDAHAN+KALOR+PROSES%0D%0APEMBEKUAN+PCM+PARAFIN+PADA+SHELL+AND+TUBE+HEAT%0D%0AEXCHANGER+DENGAN+POSISI+VERTIKAL&rft.creator=Agung+%2C+Ferdian+Sagala&rft.subject=600+Teknologi+(ilmu+terapan)&rft.subject=620+Ilmu+teknik+dan+ilmu+yang+berkaitan&rft.description=Pemanas+air+tenaga+surya+(solar+water+heater)+merupakan+sumber+energi+yang+bisa%0D%0Adimanfaatkan+untuk+memanaskan+air+dengan+mengubahnya+menjadi+energi+termal.%0D%0ASalah+satu+media+penyimpan+energi+termal+adalah+phase+change+material+(PCM)%2C%0D%0Ayang+dapat+mengalami+proses+reversible%2C+seperti+peleburan+(melting)+dan%0D%0Apembekuan+(solidifikasi)%2C+sehingga+bisa+digunakan+untuk+menjaga+suhu+tetap+stabil%0D%0Adalam+jangka+waktu+tertentu.+Energi+panas+ini+diserap+dan+dilepaskan+melalui+alat%0D%0Apenukar+kalor+tipe+Shell+and+Tube+Heat+Exchanger.+Penelitian+ini+memvariasikan%0D%0Asistem+aliran+terbuka+dan+tertutup%2C+serta+debit+aliran+air.+Tujuannya+adalah+untuk%0D%0Amengetahui+karakteristik+perpindahan+panas+dan+waktu+yang+dibutuhkan+parafin%0D%0Auntuk+mengalami+perubahan+fasa.+Parameter+yang+diukur+meliputi+temperatur%0D%0Amasuk+dan+keluar+alat+penukar+kalor%2C+temperatur+parafin%2C+dan+waktu+pembekuan%0D%0Aparafin.+Hasil+penelitian+menunjukkan+bahwa+semakin+kecil+debit+aliran+air%2C+laju%0D%0Aperpindahan+panas+semakin+tinggi%2C+sehingga+parafin+lebih+cepat+mencapai+titik%0D%0Abeku.+Waktu+pembekuan+parafin+dari+suhu+awal+60%C2%B0C+hingga+melewati+titik+beku%0D%0A40%C2%B0C+tercatat+paling+cepat+pada+variasi+aliran+terbuka+dengan+debit+6+l%2Fmin%2C+yaitu%0D%0Adalam+waktu+25+menit+30+detik.+Dengan+demikian%2C+alat+ini+terbukti+efektif+dalam%0D%0Amencapai+perubahan+suhu%2C+tergantung+pada+variasi+sistem+aliran+dan+debit+air+yang%0D%0Adigunakan..%0D%0A%0D%0AKata+Kunci%3A+Pemanas+air%2C+PCM%2C+Parafin%2C+Perpindahan+Panas%0D%0A%0D%0A%0D%0AA+solar+water+heater+is+an+energy+source+that+can+be+utilized+to+heat+water+by%0D%0Aconverting+it+into+thermal+energy.+One+of+the+thermal+energy+storage+mediums+is%0D%0Aphase+change+material+(PCM)%2C+which+can+undergo+reversible+processes+such+as%0D%0Amelting+and+solidification%2C+allowing+it+to+maintain+a+stable+temperature+over+a%0D%0Acertain+period.+This+heat+energy+is+absorbed+and+released+through+a+Shell+and+Tube%0D%0AHeat+Exchanger.+This+research+varied+both+open+and+closed+flow+systems%2C+as+well%0D%0Aas+the+water+flow+rate.+The+goal+was+to+determine+the+heat+transfer+characteristics%0D%0Aand+the+time+required+for+paraffin+to+undergo+phase+changes.+The+measured%0D%0Aparameters+included+the+inlet+and+outlet+temperatures+of+the+heat+exchanger%2C+the%0D%0Aparaffin+temperature%2C+and+the+paraffin+freezing+time.+The+research+results+showed%0D%0Athat+as+the+water+flow+rate+decreases%2C+the+heat+transfer+rate+increases%2C+causing+the%0D%0Aparaffin+to+reach+the+freezing+point+more+quickly.+The+fastest+paraffin+freezing+time%2C%0D%0Afrom+an+initial+temperature+of+60%C2%B0C+to+below+the+freezing+point+of+40%C2%B0C%2C+was%0D%0Arecorded+in+the+open+flow+variation+with+a+flow+rate+of+6+l%2Fmin%2C+taking+25+minutes%0D%0Aand+30+seconds.+Thus%2C+this+device+has+proven+to+be+effective+in+achieving%0D%0Atemperature+changes%2C+depending+on+the+flow+system+variation+and+the+water+flow%0D%0Arate+used..%0D%0A%0D%0AKeywords%3A+Water+heater%2C+PCM%2C+Paraffin%2C+Heat+Transfer&rft.publisher=FAKULTAS+TEKNIK&rft.date=2024-07-30&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F83023%2F1%2F1.%2520ABSTRAK%2520-%2520ABSTRACT%2520-%2520Rocket%2520Digital.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F83023%2F2%2F2.%2520SKRIPSI%2520FULL%2520-%2520Rocket%2520Digital.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F83023%2F3%2F3.%2520SKRIPSITANPA%2520BAB%2520PEMBAHASAN%2520-%2520Rocket%2520Digital.pdf&rft.identifier=++Agung+%2C+Ferdian+Sagala++(2024)+KAJIAN+EKSPERIMENTAL+PERPINDAHAN+KALOR+PROSES+PEMBEKUAN+PCM+PARAFIN+PADA+SHELL+AND+TUBE+HEAT+EXCHANGER+DENGAN+POSISI+VERTIKAL.++FAKULTAS+TEKNIK%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F83023%2F