Yıl: 2020 Cilt: 40 Sayı: 2 Sayfa Aralığı: 221 - 235 Metin Dili: İngilizce DOI: 10.47480/isibted.816994 İndeks Tarihi: 08-06-2021

INVESTIGATION OF THE TIME DEPENDENT THERMAL BEHAVIOR OF A CONTAINER WITH PCM WALLS DURING A HOT SUMMER DAY

Öz:
In this paper, the thermal comfort of a container with PCM walls has been investigated numerically for a hotsummer day in Rio de Janeiro. Four different cases have been investigated. These cases are: (i) container made byPolyurethane plates, which is the reference solution, (ii) RT 22 HC plates, (iii) RT 25 HC plates and (iv) RT 28 HCplates. Analyses have been performed for 10 hours from 08:00 to 18:00 h, and dimensionless numerical results for allinvestigated cases have been presented. Nondimensional governing equations have been solved by COMSOLMultiphysics finite element modeling and simulation software. Results show that although thermal conductivity ofpolyurethane is one-eighth of that of PCM, the container with PCM walls present considerably better performance. Ithas been observed that the average value of the dimensionless temperature inside the container is equal to its initialvalue at the end of the investigation time for the cases of RT 22 HC and RT 25 HC are used. On the other hand, thisvalue shows increments of 0.1235 (2.35oC) and 0.7710 (14.65oC) respect to initial temperature, respectively for thecases of RT 28 HC and polyurethane are used at the end of that time.
Anahtar Kelime:

SICAK BİR YAZ GÜNÜNDE FDM DUVARLI KONTEYNERİN ISIL DAVRANIŞININ İNCELENMESİ

Öz:
Bu çalışmada, FDM duvarlı konteynerin ısıl konforu Rio de Janeiro’da sıcak bir yaz günü şartlarında nümerik olarak incelenmiştir. (i) Poliüretan plakalardan (referans olarak incelenen durum), (ii) RT 22 HC, (iii) RT 25 HC ve (iv) RT 28 HC plakalarından olmak üzere dört farklı durum incelenmiştir. Analizler saat 08:00’dan saat 18:00’a kadar olmak üzere 10 saat için yapılmış ve boyutsuz nümerik sonuçlar incelenen her durum için COMSOL Multiphysics sonlu elemanlar modelleme ve simülasyon yazılımıyla elde edilerek sunulmuştur. Poliüretanın ısıl iletkenliği FDM’nin ısıl iletkenliğinin sekizde biri olmasına rağmen, FDM duvarlı konteynerin daha iyi performans gösterdiği görülmüştür. Analiz zamanı sonunda konteyner içindeki boyutsuz ortalama sıcaklık değerinin RT 22 HC ve RT 25 HC’nin kullanıldığı durumlarda başlangıç değerine eşit olduğu görülmüştür. Diğer yandan, RT 28 HC ve poliüretanın kullanıldığı durumlarda bu değerin, söz konusu süre sonunda başlangıç sıcaklığına göre sırasıyla 0.1235 (2.35oC) ve 0.7710 (14.65oC) artış gösterdiği sonucuna ulaşılmıştır.
Anahtar Kelime:

Belge Türü: Makale Makale Türü: Araştırma Makalesi Erişim Türü: Erişime Açık
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APA Susantez Ç, Caldeira A (2020). INVESTIGATION OF THE TIME DEPENDENT THERMAL BEHAVIOR OF A CONTAINER WITH PCM WALLS DURING A HOT SUMMER DAY. , 221 - 235. 10.47480/isibted.816994
Chicago Susantez Çiğdem,Caldeira Aldélio INVESTIGATION OF THE TIME DEPENDENT THERMAL BEHAVIOR OF A CONTAINER WITH PCM WALLS DURING A HOT SUMMER DAY. (2020): 221 - 235. 10.47480/isibted.816994
MLA Susantez Çiğdem,Caldeira Aldélio INVESTIGATION OF THE TIME DEPENDENT THERMAL BEHAVIOR OF A CONTAINER WITH PCM WALLS DURING A HOT SUMMER DAY. , 2020, ss.221 - 235. 10.47480/isibted.816994
AMA Susantez Ç,Caldeira A INVESTIGATION OF THE TIME DEPENDENT THERMAL BEHAVIOR OF A CONTAINER WITH PCM WALLS DURING A HOT SUMMER DAY. . 2020; 221 - 235. 10.47480/isibted.816994
Vancouver Susantez Ç,Caldeira A INVESTIGATION OF THE TIME DEPENDENT THERMAL BEHAVIOR OF A CONTAINER WITH PCM WALLS DURING A HOT SUMMER DAY. . 2020; 221 - 235. 10.47480/isibted.816994
IEEE Susantez Ç,Caldeira A "INVESTIGATION OF THE TIME DEPENDENT THERMAL BEHAVIOR OF A CONTAINER WITH PCM WALLS DURING A HOT SUMMER DAY." , ss.221 - 235, 2020. 10.47480/isibted.816994
ISNAD Susantez, Çiğdem - Caldeira, Aldélio. "INVESTIGATION OF THE TIME DEPENDENT THERMAL BEHAVIOR OF A CONTAINER WITH PCM WALLS DURING A HOT SUMMER DAY". (2020), 221-235. https://doi.org/10.47480/isibted.816994
APA Susantez Ç, Caldeira A (2020). INVESTIGATION OF THE TIME DEPENDENT THERMAL BEHAVIOR OF A CONTAINER WITH PCM WALLS DURING A HOT SUMMER DAY. Isı Bilimi ve Tekniği Dergisi, 40(2), 221 - 235. 10.47480/isibted.816994
Chicago Susantez Çiğdem,Caldeira Aldélio INVESTIGATION OF THE TIME DEPENDENT THERMAL BEHAVIOR OF A CONTAINER WITH PCM WALLS DURING A HOT SUMMER DAY. Isı Bilimi ve Tekniği Dergisi 40, no.2 (2020): 221 - 235. 10.47480/isibted.816994
MLA Susantez Çiğdem,Caldeira Aldélio INVESTIGATION OF THE TIME DEPENDENT THERMAL BEHAVIOR OF A CONTAINER WITH PCM WALLS DURING A HOT SUMMER DAY. Isı Bilimi ve Tekniği Dergisi, vol.40, no.2, 2020, ss.221 - 235. 10.47480/isibted.816994
AMA Susantez Ç,Caldeira A INVESTIGATION OF THE TIME DEPENDENT THERMAL BEHAVIOR OF A CONTAINER WITH PCM WALLS DURING A HOT SUMMER DAY. Isı Bilimi ve Tekniği Dergisi. 2020; 40(2): 221 - 235. 10.47480/isibted.816994
Vancouver Susantez Ç,Caldeira A INVESTIGATION OF THE TIME DEPENDENT THERMAL BEHAVIOR OF A CONTAINER WITH PCM WALLS DURING A HOT SUMMER DAY. Isı Bilimi ve Tekniği Dergisi. 2020; 40(2): 221 - 235. 10.47480/isibted.816994
IEEE Susantez Ç,Caldeira A "INVESTIGATION OF THE TIME DEPENDENT THERMAL BEHAVIOR OF A CONTAINER WITH PCM WALLS DURING A HOT SUMMER DAY." Isı Bilimi ve Tekniği Dergisi, 40, ss.221 - 235, 2020. 10.47480/isibted.816994
ISNAD Susantez, Çiğdem - Caldeira, Aldélio. "INVESTIGATION OF THE TIME DEPENDENT THERMAL BEHAVIOR OF A CONTAINER WITH PCM WALLS DURING A HOT SUMMER DAY". Isı Bilimi ve Tekniği Dergisi 40/2 (2020), 221-235. https://doi.org/10.47480/isibted.816994