?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=KAJIAN+EKSPERIMENTAL+PROSES+PERPINDAHAN+KALOR+PADA%0D%0ASHELL+AND+TUBE+HEAT+EXCHANGER+DENGAN+POSISI+HORIZONTAL%0D%0ABERISI+PCM+PARAFIN+UNTUK+PROSES+PELELEHAN&rft.creator=+Muhammad%2C++Alfitto+Bahri%09&rft.subject=620+Ilmu+teknik+dan+ilmu+yang+berkaitan&rft.description=Energi+matahari+merupakan+sumber+energi+terbarukan+yang+dapat+dimanfaatkan%0D%0Asebagai+sumber+pemanas+air+dengan+mengubahnya+menjadi+energi+termal.+Salah%0D%0Asatu+media+penyimpanan+energi+termal+adalah+phase+change+material+(PCM)+yang%0D%0Amemiliki+kelebihan+yaitu+perubahan+temperatur+saat+perubahan+fasa+sangat+kecil%0D%0Adalam+waktu+yang+lebih+lama+sehingga+laju+perpindahan+panas+tidak+mengalami%0D%0Apenurunan+yang+signifikan%2C+maka+lilin+parafin+cocok+untuk+menyimpan+energi%0D%0Apanas.+Energi+kalor+ini+diserap+dan+dilepaskan+menggunakan+alat+penukar+kalor%0D%0Aberjenis+Shell+and+Tube+Heat+Exchanger.+Penelitian+ini+dilakukan+dengan%0D%0Amemvariasikan+temperatur+fluida+air+panas+60%C2%B0C%2C+70%C2%B0C%2C+dan+80%C2%B0C+dan+juga+debit%0D%0Aaliran+airnya.+Penelitian+ini+bertujuan+untuk+mengetahui+karakteristrik+perpindahan%0D%0Apanas+dan+waktu+yang+dibutuhkan+parafin+sehingga+mengalami+perubahan+fasa.%0D%0AParameter+yang+diukur+adalah+temperatur+masuk+dan+keluar+alat+penukar+kalor%2C%0D%0Atemperatur+parafin%2C+dan+waktu+pelelehan+parafin.+Hasil+dari+penelitian+menunjukkan%0D%0Abahwa+semakin+besar+variasi+temperatur+air+dan+debit+aliran%2C+maka+laju+perpindahan%0D%0Apanas+juga+semakin+besar+yang+memungkinkan+parafin+mencapai+suhu+pelelehan%0D%0Alebih+cepat.+Waktu+pelelehan+parafin+dari+suhu+awal+32+%C2%B0C+hingga+57%C2%B0C+tercatat%0D%0Aproses+pelelehan+tercepat+pada+variasi+80%C2%B0C+dengan+debit+aliran+6+l%2Fmin%2C+dalam%0D%0Awaktu+12+menit+20+detik.+Dengan+demikian%2C+alat+ini+terbukti+mampu+mencapai%0D%0Aperubahan+suhu+dengan+efektif%2C+tergantung+pada+variasi+debit+aliran+dan+temperatur%0D%0Aair+yang+digunakan.%0D%0AKata+Kunci%3A+Energi+matahari%2C+PCM%2C+Parafin%2C+Perpindahan+panas%0D%0A%0D%0ASolar+energy+is+a+renewable+energy+source+that+can+be+utilized+as+a+source+of+water%0D%0Aheating+by+converting+it+into+thermal+energy.+One+of+the+thermal+energy+storage%0D%0Amedia+is+phase+change+material+(PCM)+which+has+the+advantage+that+the%0D%0Atemperature+change+during+phase+change+is+very+small+in+a+longer+time+so+that+the%0D%0Aheat+transfer+rate+does+not+decrease+significantly%2C+so+paraffin+wax+is+suitable+for%0D%0Astoring+heat+energy.+This+heat+energy+is+absorbed+and+released+using+a+Shell+and%0D%0ATube+Heat+Exchanger.+This+research+was+conducted+by+varying+the+hot+water+fluid%0D%0Atemperatures+of+60%C2%B0C%2C+70%C2%B0C%2C+and+80%C2%B0C+and+also+the+water+flow+rate.+This+study+aims%0D%0Ato+determine+the+heat+transfer+characteristics+and+the+time+required+for+paraffin+to%0D%0Aundergo+phase+changes.+The+parameters+measured+were+the+inlet+and+outlet%0D%0Atemperatures+of+the+heat+exchanger%2C+paraffin+temperature%2C+and+paraffin+melting%0D%0Atime.+The+results+showed+that+the+greater+the+variation+in+water+temperature+and%0D%0Aflow+rate%2C+the+greater+the+heat+transfer+rate+which+allows+the+paraffin+to+reach+the%0D%0Amelting+temperature+faster.+Paraffin+melting+time+from+an+initial+temperature+of%0D%0A32%C2%B0C+to+57%C2%B0C+recorded+the+fastest+melting+process+in+the+80%C2%B0C+variation+with+a+flow%0D%0Arate+of+6+l%2Fmin%2C+in+12+minutes+and+20+seconds.+Thus%2C+this+device+is+proven+to+be+able%0D%0Ato+achieve+temperature+changes+effectively%2C+depending+on+the+variation+of+flow+rate%0D%0Aand+water+temperature+used.%0D%0A%0D%0AKeywords%3A+Solar+energy%2C+PCM%2C+Paraffin%2C+Heat+transfer&rft.publisher=FAKULTAS+TEKNIK&rft.date=2024-05-20&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F85165%2F1%2F1.%2520ABSTRAK%2520-%2520ABTRACT%2520-%2520%2520Muhammad%2520Alfitto%2520Bahri.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F85165%2F2%2F2.%2520SKRIPSI%2520FULL%2520-%2520%2520Muhammad%2520Alfitto%2520Bahri.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F85165%2F3%2F3.%2520SKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN%2520-%2520Muhammad%2520Alfitto%2520Bahri.pdf&rft.identifier=+++Muhammad%2C+Alfitto+Bahri+++(2024)+KAJIAN+EKSPERIMENTAL+PROSES+PERPINDAHAN+KALOR+PADA+SHELL+AND+TUBE+HEAT+EXCHANGER+DENGAN+POSISI+HORIZONTAL+BERISI+PCM+PARAFIN+UNTUK+PROSES+PELELEHAN.++FAKULTAS+TEKNIK%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F85165%2F