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    Effect of the air flow rate of blower on the performance of solar still
    (Türk Isı Bilimi ve Tekniği Derneği, 2015-06-01) Argunhan, Zeki; El, Emin; Yücel, Halit Lutfi; Çakmak, Gülşah; Yıldız, Cengiz
    Solar distillation is one of the important methods for water purification. This paper examines the performance of solar distillation system at different air flow rate. To increase the performance of distiller, artificial wind was created by fan and suitable wind speed was investigated to increase the amount of water distilled. The experiments were carried out in Elazığ climate conditions. In order to examine the effect of the wind speed on solar distillation system, two stills were manufactured with the size of 1000x1000 mm. One of them was the conventional still which was used as a reference. The other still was used to investigate experimentally the effect of the wind speed. Graphs were drawn for time-dependent changes in the amount of water distilled. It was found that that the productivity of the fan-still distiller was 14.7 % greater than that of a conventional still.
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    Experimental investigation of solar stills integrated with solar water heating collectors
    (Türk Isı Bilimi ve Tekniği Derneği, 2017-10-31) Argunhan, Zeki; El, Emin; Yıldız, Cengiz; Çakmak, Gülşah
    Solar still is a more practical way of obtaining clean water. In this study, we aimed to improve the efficiency of solar still systems and obtain distilled water at the same time. For this purpose, 5 different solar still systems were designed. Type 1; conventional solar still, Type 2; conventional solar still integrated with solar water heating collector and run via natural convection, Type 3; conventional solar still integrated with solar water heating collector and tubular heat exchanger and run via natural convection, Type 4; conventional solar still placed with plate heat exchanger and integrated with solar water heating collector and run via natural convection, Type 5; conventional solar still placed with plate heat exchanger and integrated with solar water heating collector and run via forced convection. In this study, the experiments were carried out on the parameters influencing the performance, the amount of distilled water obtained, and the efficiency of experiment settings designed in different types; and finally the results were presented. The amount of distilled water and efficiency of conventional solar still were 2389 ml and 51.47%, respectively. Maximum total amount of water and efficiency from natural convection systems were obtained from Type 4, and the values calculated were found as to be 5788 ml and 55.91%. Maximum amount of distilled water and the efficiency were obtained by utilizing forced convection system were found as to be 6068 ml and 58.99%, respectively.
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    Güneş enerjili havuz tipi damıtıcının ısıl analizi
    (Batman Üniversitesi, 2012-06-01) El, Emin; Çakmak, Gülşah; Argunhan, Zeki; Yücel, H. Lütfi; Yıldız, Cengiz
    Suyun kullanım amacına yönelik olarak istenilen kaliteye getirilmesi için arıtılması işlemi su yönetimi açısından önemli alanlardan biridir. Bu çalışmada, bu amaç için güneş enerjili damıtma sistemleri ve bu sistemleri oluşturan bileşenler incelenip güneş enerjili havuz tipi bir damıtıcının ısıl analizi yapılmıştır. Örnek bir model üzerinde sayısal benzetim yapılmış ve elde edilen teorik sonuçlar yorumlanmıştır. Böylece kurulması planlanan sistemin daha verimli olması için gerekli tasarım şartları ortaya konmuştur.