SİNAN TÜRKEL / SAKARYA ÜNİVERSİTESİ / Turkey
Her ulusal veya uluslararası niteliğe sahip hava alanı bir yangın ekibine sahiptir. Bu ekipler özel olarak
kurulur ve yönetilirler. Yangın ekiplerinin hava alanı içerisine kurulmasının sebebi ise hava aracı
yangınlarının hızlı bir şekilde olup bitmesidir. Kurulan yangın ekipleri özel teçhizat ve araçlara sahip
olmaktadır. Bu araçlardan en önemlisi Hava Alanı Yangına Müdahale Aracıdır. Araç, uçak yangınları
için özel olarak tasarlanmıştır. Aracın bütün ekipmanları, bütün sistemleri tamamı ile hava aracı
yangınları ile mücadele için teçhiz edilmiştir. Gerek motor yangınları ile mücadelede gerek ise gövde
içinde çıkan yangınlarla mücadelede bu araçlar oldukça etkilidir. Bu çalışmada Hava Alanı Yangına
Müdahale Aracında bulunan, uçaklarda meydana gelen gövde içi yangınları söndürme maksatlı
kullanılan uzatmalı çatı monitör sistemini inceleyeceğiz. Uzatmalı çatı monitörü uçak gövde içi
yangınına dışarıdan müdahale etmemizi sağlayan bir sistemdir.
Yeong Jin Chung / Kangwon National University / South Korea
The smoke performance index (SPI) was 190.5 to 420.6 s2/m2. Among the woods, spruce had the highest smoke safety.
The smoke growth index (SGI) was 0.000064 to 0.000114 m2/s2. Among the woods, spruce had the highest smoke safety.
The smoke intensity (SI) was 13.93 to 27.70 MW/kg. Among the woods, spruce had the highest smoke safety.
According to the three equations, smoke safety was increased in order of Red pine < Japanese cedar < Lauan < Spruce.
CO production rate was 0.00128 to 0.00310 g/s, and CO safety was increased in order of Lauan < Red pine < Japanese cedar < Spruce.
SALİHA ÖZARSLAN / ERCİYES ÜNİVERSİTESİ / Turkey
Tea production waste occurs during the production of black tea from fresh tea in tea factories, consisting of tea stalk, fiber and powder, which are unused parts of the tea plant. Tea waste amounts may vary according to the quality of the production process and the harvesting of tea. However, a certain amount of tea waste is obtained in countries that are produced every year. Such a large and inexpensive biomass resource is not generally evaluated. There are several ways to take advantage of this biomass source and work on this subject is increasing. In this study, the methods of evaluating tea wastes were researched and the data obtained were transferred with their results. Studies collected under five main topics can be promising for the development of existing studies and new research. This study can be a guide for removing losses from the storage of tea waste and making this biomass economically valuable.Read more..
Öğr. Gör. Esenay ARSLAN / Erciyes Üniversitesi / Turkey
Abstract: In diesel engines, adding propane to the combustion air can be a solution to increase engine performance and reduce emissions from combustion. In the experimental study, the effect of propane addition to the combustion air on the engine performance has been investigated. The experiments were carried out on a four-stroke, 3-cylinder direct injection Lombardini LDW 1003 engine, at constant engine speed, different mixing ratios and different engine loads.
In the diesel engine, propane was added to the combustion air in the amount of 250 g/h and 500 g/h. Engine torques are considered as unloaded, 9,81 Nm, 19,62 Nm, 29,43 Nm and 39,24 Nm (maximum load), respectively. It has been observed that as the propane addition increases with increasing load, the pressure inside the cylinder increases, there is a gradual decrease in the exhaust gas temperature, there is a decrease in diesel fuel consumption due to the propane addition, but especially the amount of NOx increases with increasing propane addition.
Keywords: propane, combustion air, diesel engine, fuel consumption
Arş. Gör. Enes FİL / Erciyes University / Turkey
Excessive use of fossil fuels and environmental pollution has led researchers to foretell the need to develop alternative fuels like bio-fuels, ethyl-methyl alcohol, hydrogen, producer gas, acetylene etc. in order to meet the energy requirement. In this current study, the authors aims to explore the effect of acetylene addition along with CI engine, experimentally. An experimental study has been carried out on 4 stroke, 3-cylinder water-cooled compression ignition(CI) engine at 1500 rpm and different loads. Tests were conducted at %0, %25, %50, %75 and %100 load conditions at various acetylene mass. This acetylene addition was with flow rates of 200 and 400 g/h respectively. The results revealed that acetylene addition decreased brake thermal efficiency (BTE) with all different load conditions. Experimental results showed that highest brake thermal efficiency of 34.91% was achieved for baseline diesel. The adding of acetylene in diesel leads to increase CO,HC and NOx emissions, but soot was decreased. However, there is no considerable change at CO2 emissions.
Keywords: Acetylene, Diesel, CI, Engine.