Modelling the optimum distribution of insulation material

The optimum insulation thickness is determined according to investment and operation and maintenance costs using various economic analysis techniques. Calculation of thickness distribution according to maximum temperature differences may give undesired results if the temperature differences varies during time. Thus, the variation of temperature differences should be taken into account by optimizing the distribution of insulation material according to total amount of heat transfer. Also, neighboring volumes are kept at constant temperatures by means of cooling and heating by refrigerators and heat pumps. Therefore, total energy cost for both sides of the wall (heated/cooled one side and cooled/heated at the other side) should be considered. In this study, a general solution of the optimum distribution of thermal insulation material for a given investment cost or material volume is provided for the volumes confined with environments at different temperatures considering the total amount of heat transfer and total energy cost. Also a case study is given to explain the usage of the new method.

[1]  S. A. Al-Sanea,et al.  Improving thermal performance of building walls by optimizing insulation layer distribution and thickness for same thermal mass , 2011 .

[2]  Dongmei Pan,et al.  The effects of external wall insulation thickness on annual cooling and heating energy uses under different climates , 2012 .

[3]  İsmail Yabanova,et al.  The use of artificial neural network to evaluate insulation thickness and life cycle costs: Pipe insulation application , 2014 .

[4]  Meral Özel,et al.  Optimum location and distribution of insulation layers on building walls with various orientations , 2007 .

[5]  Ali Keçebaş,et al.  Determination of optimum insulation thickness of external walls with two different methods in cooling applications , 2013 .

[6]  M. Kemal Sevindir,et al.  Optimum distribution of thermal insulation material for constant insulation material volume or a given investment cost , 2015 .

[7]  Omer Kaynakli,et al.  Economic thermal insulation thickness for pipes and ducts: A review study , 2014 .

[8]  Hari B. Vuthaluru,et al.  A simple method for the estimation of thermal insulation thickness , 2010 .

[9]  Nazım Usta,et al.  Computerized economic optimization of refrigeration system design , 1999 .

[10]  Naouel Daouas,et al.  Analytical periodic solution for the study of thermal performance and optimum insulation thickness of building walls in Tunisia , 2010 .

[11]  M. F. Zedan,et al.  Effect of electricity tariff on the optimum insulation-thickness in building walls as determined by a dynamic heat-transfer model , 2005 .

[12]  Bing-Shyan Her,et al.  Complete heat transfer solutions of an insulated regular cubic tank with an SSWT model , 2004 .

[13]  H. Sofrata,et al.  Optimization of insulation thicknesses using micros , 1993 .

[14]  Naouel Daouas,et al.  A study on optimum insulation thickness in walls and energy savings in Tunisian buildings based on analytical calculation of cooling and heating transmission loads , 2011 .

[15]  U.Teoman Aksoy,et al.  A study on the optimum insulation thicknesses of various types of external walls with respect to different materials, fuels and climate zones in Turkey , 2012 .

[16]  H. Asan,et al.  Effects of wall's insulation thickness and position on time lag and decrement factor , 1998 .

[17]  Liwei Tian,et al.  Optimum insulation thickness of residential roof with respect to solar-air degree-hours in hot summe , 2011 .

[18]  V. I Dmitriyev.  Optimum insulation thicknesses for domestic refrigerators and freezers , 1984 .

[19]  Jérôme Barrau,et al.  Impact of the optimization criteria on the determination of the insulation thickness , 2014 .

[20]  King-Leung Wong,et al.  Heat transfer characteristics of an insulated regular polyhedron by using a regular polygon top solid wedge thermal resistance model , 2003 .

[21]  Yongchan Kim,et al.  Development of an optimization strategy for insulation thickness of a domestic refrigerator-freezer , 2013 .

[22]  Afif Hasan,et al.  Optimizing insulation thickness for buildings using life cycle cost , 1999 .

[23]  Wan Ki Chow,et al.  Optimum insulation-thickness for thermal and freezing protection , 2005 .

[24]  M. S Söylemez,et al.  Optimum insulation thickness for refrigeration applications , 1999 .

[25]  O. Kaynakli.  Parametric Investigation of Optimum Thermal Insulation Thickness for External Walls , 2011 .

[26]  John Gelegenis,et al.  Optimum insulation thickness for external walls on different orientations considering the speed and direction of the wind , 2014 .

[27]  Meral Ozel,et al.  Effect of wall orientation on the optimum insulation thickness by using a dynamic method , 2011 .