Briefs from lmportant Subjects Economical Solutions to Coach Station Ventilation ............................. 50 lnnovations on coach station ventilation and smoke exhaust, influences of waste gas and temperature on human body, application of basic tunnel ventilation knowledge to coach stations, preventing back flow of smoke and on-use energy savings will be defineci. lmportance of lnsulation on the Efficiency of Energy .......................... 74 The heatenergy consumption ofa buildingwith heat insulation and without heat insulation differentiates approximately 50%. il heat insulation is constructed to a building without heat insulation, the investment cost will compensate itself within three or five years depending upon the function of building. Sustainability in Architectural Design; Recycling and Allocation of Resources ........................................................................ 78 in the name of increasing his quality of life and trying to prove his creativity by disturbing the nature, mankind harms the ecological balance. As a resul!; air, water and earth pollution occurs and we are faced with tragedies such as, the extinction of natura! resources, animals, vegetation and forests. Therefore sustainability specially in architectural design is very important in order to preserve the ecological balance. The importance of recycling and the methods which are developed in orderto save energy, water and materials are presented in this study. Air Conditioning Sector is Coming Together in Tesisat Bulletin ......... 106 This issue of our builetin includes the evaluations oftwo important airconditi oning associations in Turkey. We present you an article by Erdal Tekan who is the Board Chairman ofAegean Air Conditioning lndustrialists and Businessman Association (ESSİAD) titled as "Today and Tomorrowof Air Conditioning Sector" andan article by A.Emre Akdoğan who is the Board Chairman of Air Conditioning Businessmen Association (SOSİAD) titled as "Agenda of A i r Conditioning Sector". Developments in Photovoltaic Power Production Systems - Section 1 ............................................................................................. 112 lncrease in the requirement lor electric energy in worldwide has raised the interest in renewable energy production systems and enhanced its use rapidly. in this study, in addition to other renewable energy resources such as wind power and hydroelectric, the currentcondition of photovoltaic power production systems is presented and prudential technological developments are discussed. 5 th World Water Forum will convene in March in lstanbul................. 122 lstanbul will host 5ııı World Water Forum that is one of the most important international organizations of 2009. This activity will lake place in Sütlüce Convention and Cultural Centre and Feshane between 16 and 22 of March. 20 thousand people /rom 123 countries and from 300 related institutions are expected to attend to !his organization. Furthermore, since this organization attracts the attention of World Press considerably, a vasi number of media members will alsa attend to this activity. Armstrong· KONDENSTOP ve DİĞER EKİPMANLARLA BUHAR, HAVAve SICAK SU SiSTEMLERiNDE ÇÖZÜMLER Valfteıte Valf Teknik Tesisat Elemanlan Sanayi ve Ticaret A.Ş Merkez & Fabrika: Yalı Mah. BaOlar cad. No: 91 34873 Kartal-lSTANBUL Tel: O 216 473 05 32 (PBX) Fax: O 216 473 05 01 emall: valftek@valftek.com.tr
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