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SIVI KRİSTALİN ISI TRANSFERİ UYGULAMALARINDA KULLANILMASI

USING LIQUID CRYSTALS IN HEAT TRANSFER APPLICATIONS

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Abstract (2. Language): 
This paper deals with the application areas of liquid crystals, their functional principles and the utilization of the liquid crystal technique in heat transfer applications. The temperature and the characteristics of heat transfer are determined by using liquid crystals. In this study, the temperature region for film cooling, which is a method of gas turbine blade and vane cooling, was developed by using liquid crystals as an application and the film cooling effectiveness was calculated.
Abstract (Original Language): 
Bu makale, sıvı kristalin kullanım yerleri, sıvı kristal tekniğinin açıklanması ve ısı transferi uygulamalarında sıvı kristal tekniğinin kullanılması ile ilgilidir. Isı transferi uygulamalarında sıcaklık ve ısı transfer karakteristiklerinin tespiti sıvı kristal kullanımı ile yapılabilmektedir. Çalışmada, uygulama olarak, gaz türbinlerinde kanat soğutma metotlarından biri olan film soğutmada sıcaklık bölgesini tespiti sıvı kristal ile yapılarak, film soğutma etkenliği hesaplanmıştır.

REFERENCES

References: 

[1] http://www.baybul.com/bilim-genel/69363-
sivi-kristal-ekranlar-nasil-goruntu-uretiyor-venerelerde-
kullaniliyor.html?langid=3
[2] Ayachit, N.H., Vasan, S.T., Sannaningannavar,
F.M. and. Deshpande, D.K., “Thermodynamic and
acoustical parameters of some nematic liquid
crystals”, Journal of Molecular Liquids, Vol.133
pp.134–138, 2007.
[3] Park, S., Kim H-K, Hong, J.W., “Investigation
of the photopolymerization-induced phase separation
process in polymer dispersed liquid crystal” Polymer
Testing, Vol.29, pp.886–893, 2010.
[4] Farino, D. J., “Making Surface Temperature
Measurements Using Liquid Crystal Thermography”,
Electronics Cooling, vol.1, no.2, pp.10-15, 1995.
[5] Bakırcı, K., “Sıvı Kristal Metoduyla Isı
Transferi Hesabı” Termodinamik, Sayı 132, Ağustos
2003.
[6] Sargison, J.E., Guo, S.M., Olfield, M.L.G. and
Rawlinson, A.J., “The Variation of Heat Transfer
Coefficient, Adiabatic Effectiveness and Aerodynamic
Loss With Film Cooling Hole Shape”, Heat Transfer
In Gas Turbine Systems, Annals of The New York
Academy Of Sciences 934, 2001, pp. 361-369.
[7] Ekkad, S.V. and Han, J.C., “A Transient Liquid
Crystal Thermography Technique for Gas Turbine
Heat Transfer Measurements” Measurement Science
and Technology, Recived: February 2000.
[8] Wagner, G., Vogel, G., Chanteloup, D. and
Bolcs, A., “Pressure Sensitive Paint (PSP) and
Transient Liquid Crystal Technique (TLC) for
Measurements of Film Cooling Performances”, The
16th Symposium on Measuring Techniques in
Transonic and Supersonic Flow in Cascade and
Turbomachines, Cambridge, UK, September 2002.
[9] Ashforth-Frost, S. and Rüdel, U. W. “Thermal
and Hydrodynamic Visualisation of a Water Jet
Impinging on a Flat Surface using Microencapsulated
Liquid Crystals, International Journal of Fluid
Dynamics, Vol.7, Article 1, 2003.
[10] Koç, İ., Islamoglu, Y and Akdag, U.,
“Investigation of film cooling effectiveness and heat
transfer coefficient for rectangular holes with two
rows”, Aircraft Engineering and Aerospace
Technology, Vol.81/2, pp.106–117, 2009.
[11] Gerçek, E. ve Panayır, O., “Binek Taşıtlarda
Ön Cam Buzlanmasının Önlenmesinde Yeni Bir
Yaklaşım”, Bitirme Tasarım Projesi, Mayıs, 2002.
[12] TS-1423, 1975. Akışkan Verdisinin Orifis
Plakalar ve Lüleler(Nozul) ile Ölçülmesi, Türk
Standartları Enstitüsü, Ankara.
[13] Goldstein, R.J. and Eckert, E.R.G “Effect of
hole geometry and density on three dimensional film
cooling”, Int. J. Heat Transfer, Vol.17, pp. 595-607,
1974.

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