Yangın ve Güvenlik Dergisi 185. Sayı (Eylül 2016)

YANGIN ve GÜVENL ø K SAYI 185 6 On The Problem of Ventilation Control in Case of a Tunnel Fire Event 26 Although fire tests in tunnel shave been performed since the early 1960’s, and although the topic of fire ventilation was raised in early national and international guidelines, relatively little interest was given to fire ventilation until several big fire events occurred in the 1990s.The tunnel ventilation systems and ventilationmethodologies existing at that time proved to work well under normal operation, but failed during fire ventilation. Nowadays, the design and operation of the ventilation systemduring fire incidents (commonly called ‘fire ventilation’) is a major topic. While the design might follow thewell-established principles, the question, ‘how to control tunnel ventilation during a fire event?’, is quite controversial. This paper discusses methods of fire ventilation with a focus on the methodologies themselves as well a son the requirements for sensors and control technologies. Research on Cost-Benefit Evaluation Model for Performance- Based Fire Safety Design Of Buildings 60 One of the most important functions of performance-based fire safety design method is to evaluate the economic efficiency of different schemes so that tomake the fire safety investment more reasonable. It should begin with the calculation of cost budgets and benefits when evaluate the investment efficiency. Costs for improving building fire resistance and installing fire engineering projects are included in the investment budgets. However, the investment benefits are mainly about the reduced losses after the enhancement of the building fire safety level. Based on the performance-based fire safety designmethod, applyingprinciples of economics and construction budget, the model described above will be built in this paper to provide scientific guides for fire safety investment. Real Time Biometrics Based Vehicle Security System with GPS and GSM Technology 81 The main goal of this paper is to protect the vehicle from any unauthorized access, using fast, easy-to-use, clear, reliable and economical fingerprint recognition technique. This vehicle security system intimates the status of the vehicle to theauthoritativeperson (owner) using Global System for Mobile (GSM) communication technology. If the person is certified, vehicle access is allowed. Else SMS will be sent to the owner and the engine will be immobilized. The prototype model for the security system is built on the embedded platform using PIC Microcontroller which controls all the processes and cost is also very stumpy. On higher end theft attempts like cutting battery power supply, protection to the vehicle is provided by Engine Control Unit (ECU) embedded on microcontroller. By usingGPS technology, vehiclecan be identified very easily. Thus, the system provides security at both levels, i.e. when battery supply is provided or not. Tünel Yang × n × Durumunda Havaland × rma Kontrol Sorunu 26 Her ne kadar tünellerde yang × n testleri 1960’l × y × llar × n ba ü × ndan bu yana yap × lsa da ve her ne kadar yang × n havaland × rma sistemleri en ba ü × ndan bu yana tart × ü × lsa da, 1990’l × y × llarda büyük yang × n olaylar × ya ü anana kadar konu çok da ilgi görmemi ü tir. O dönemlerde kullan × lan havaland × rma sistemlerinin normal çal × ü ma ü artlar × alt × nda düzgün çal × ü t × klar × , ancak yang × nda havaland × rma yapmakta ba ü ar × s × z olduklar × tespit edilmi ü tir. Bu günlerde, yang × n havaland × rma sistemlerinin (genel ad × ile yang × nda havaland × rma) tasar × m ve çal × ü malar × önemli bir konudur. Tasar × m tam yerle ü mi ü prensipleri takip ederken, ‘bir olay esnas × nda tünel havaland × rmas × n × n nas × l kontrol edilmesi gerekti ù i’ konusu baya ù × tart × ü mal × d × r. Bu makalede, havaland × rma yöntemlerinin yan × s × ra alg × lay × c × lar ve kontrol teknolojileri üzerine odaklan × l × rken, yang × n havaland × rma yöntemleri de tart × ü × lmaktad × r. Binalar × n Yang × n Emniyeti Tasar × mlar × ú çin Maliyet-Fayda De ù erlendirmesi 60 Performans esasl × yang × n emniyeti tasar × m yöntemlerinin en önemli fonksiyonlar × ndan biri farkl × planlar × n ekonomik olarak etkinli ù ini de ù erlendirme, bu suretle yang × n emniyeti için yap × lacak yat × r × mlar × n daha makul yat × r × mlar olmas × n × sa ù lamakt × r. Çal × ü ma yat × r × m verimlili ù ini de ù erlendirirken maliyet bütçesinin ve faydalar × n hesaplanmas × yla ba ü lar. Binan × n yang × n direncini iyile ü tirme ve yang × n mühendisli ù i projelerinin tesisatlar × n × maliyeti yat × r × m bütçelerinin içine dâhil olmaktad × r. Ancak, yat × r × m faydalar × genellikle binan × n yang × n emniyeti seviyesinin yükseltilmesinden sonra azalan kay × plarla ilgilidir. Performans esasl × yang × n emniyeti tasar × m × na dayal × yöntemle, ekonomi ve in ü aat bütçesi prensiplerini uygulayarak, yukar × da tan × mlanan model yang × n emniyeti yat × r × m × na k × lavuzluk yapmas × için bu makalede olu ü turulacakt × r. GPS ve GSM Teknolojisine Sahip Araç Güvenlik Sistemi 81 Bu çal × ü man × n temel amac × arac × ; h × zl × , kullan × m × kolay, net, güvenilir ve ekonomik parmak izi alg × lama tekni ù i kullanarak her türlü izinsiz eri ü ime kar ü × korumakt × r. Bu araç güvenlik sistemi Global Mobil Sistem (GSM) ileti ü im teknolojisi kullanarak, yetkili ki ü iye (araç sahibi) arac × n durumunu iletir. E ù er ki ü i yetkili ise, araca eri ü ime izin verilir. Aksi durumda, araç sahibine bir SMS gönderilir vemotor çal × ü maz konuma getirilir. Bu güvenlik sisteminin prototip modeli, bütün süreçleri kontrol eden PICmikrokontrolör kullanarak yerle ü ik platform üzerine in ü a edilmi ü tir ve maliyeti de çok dü ü üktür. Akü kayna ù × n × n kesilmesi gibi daha ciddi h × rs × zl × k giri ü imlerinde ise arac × n korunmas × mikrokontrolör üzerine yerle ü tirilmi ü olan Motor Kontrol Ünitesi (EMU) ile sa ù lan × r. GPS teknolojisi kullan × larak, araç kolay ü ekilde tespit edilebilmektedir. Bu sebeple, her iki seviyede de, yani akü kayna ù × oldu ù unda ve olmad × ù × nda, güvenlik sa ù lamaktad × r. Abstracts Özetler