Year 2021, Volume , Issue 23, Pages 627 - 636 2021-04-30

Experimental Analysis of PV/T Collectors Assisted with PCM for Off-Grid Domestic Applications
Şebekeden Bağımsız Ev Tipi Uygulamaları için PCM Destekli PV/T Kollektörlerinin Deneysel Analizi

Eda BAKIR [1] , Fatih BAYRAK [2] , Hakan ÖZTOP [3]


An experimental study was carried out to examine the efficiency of solar energy in photovoltaic thermal collectors (PV/T) with energy storage. A photovoltaic thermal collector was used to generate both electrical energy and hot water. The effects of inclination angle of PV/T collectors on power, temperature, energy and exergy values were investigated. Also, effects of cellular shading are tested and discussed. PV/T was compared with the conventional PV/T collector by adding phase change material (PCM) for one of the collectors. In addition, the effect of different shading conditions (small, medium and large circle) on the power and hot water output of the PV/T collector at optimum slope angle were investigated. It is found that 7 ºC temperature differences are occurred in the hot water outlet between the PV/T collector and the PV/T-PCM collector. The highest energy efficiencies of PV/T-PCM collectors are obtained as 73.26%, 84.70% and 68.96% for slope angle 25º, 30º and 35º, respectively. The highest exergy efficiencies of shaded collectors are obtained as 11.92% for PV/T and 23.38% for PV/T-PCM.
Enerji depolamalı fotovoltaik termal kollektörlerde (PV/T) güneş enerjisinin verimini incelemek için deneysel bir çalışma yapılmıştır. Hem elektrik enerjisi hem de sıcak su üretmek için bir fotovoltaik termal kollektör imal edilmiştir. PV/T kollektörlerinin eğim açısının; güç, sıcaklık, enerji ve ekserji değerlerine etkileri ile hücresel gölgelendirmenin etkileri araştırılmıştır. PV/T kollektörlerden birinin içine faz değişim malzemesi (PCM) eklenerek PV/T kollektörüyle karşılaştırılarak farklı gölgeleme koşullarının (küçük, orta ve büyük daire) PV/T kollektörünün optimum eğim açısındaki gücü ve sıcak su çıkışı üzerindeki etkisi araştırılmıştır. PV/T kollektörü ile PV/T-PCM kollektörü arasındaki sıcak su çıkışında 7 ºC sıcaklık farkı oluştuğu bulunmuştur. PV/T-PCM kollektörünün en yüksek enerji verimleri sırasıyla 25º, 30º ve 35º eğim açısı için %73,26, %84,70 ve %68,96 olarak elde edilmiştir. Gölgeli kollektörlerin en yüksek ekserji verimleri ise PV/T kollektör için % 11,92 ve PV/T-PCM kollektörü için ise %23,38 olarak bulunmuştur.
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Primary Language en
Subjects Engineering
Journal Section Articles
Authors

Orcid: 0000-0002-6522-9397
Author: Eda BAKIR (Primary Author)
Institution: MUNZUR ÜNİVERSİTESİ
Country: Turkey


Orcid: 0000-0003-3715-6458
Author: Fatih BAYRAK
Institution: SİİRT ÜNİVERSİTESİ
Country: Turkey


Orcid: 0000-0002-2161-0639
Author: Hakan ÖZTOP
Institution: FIRAT ÜNİVERSİTESİ
Country: Turkey


Supporting Institution Fırat Üniversitesi
Project Number TEKF.16.13
Thanks The authors thank to thank Fırat Univ. Scientific Research Unit (FÜBAP) for their financial support for this project (TEKF.16.13).
Dates

Publication Date : April 30, 2021

APA Bakır, E , Bayrak, F , Öztop, H . (2021). Experimental Analysis of PV/T Collectors Assisted with PCM for Off-Grid Domestic Applications . Avrupa Bilim ve Teknoloji Dergisi , (23) , 627-636 . DOI: 10.31590/ejosat.841922