Güncel Gönderiler

  • Effects of cylindrical and conical heights on pressure and velocity fields in cyclones 

    Demir, Selami; Karadeniz, Aykut; Aksel, Murat (Elsevier Science Bv, Po Box 211, 1000 AE Amsterdam, Netherlands, 2016-07)
    Nine modifications of Stairmand high-efficiency type cyclone with various cylindrical and conical heights were used to investigate their effects on pressure drop and flow field within cyclones. An experimental setup was ...
  • Production of PEG grafted PAN copolymers and their electrospun nanowebs as novel thermal energy storage materials 

    Sarıer, Nihal; Arat, Refik; Menceloğlu, Yusuf; Önder Karaoğlu, Emel; Boz, Ezgi Ceren; Oğuz, Oğuzhan (Elsevier Science Bv, Po Box 211, 1000 AE Amsterdam, Netherlands, 2016-11-10)
    This paper deals with the synthesis of poly(ethylene glycol) (PEG) grafted poly(acrylo nitrile) (PAN) copolymers as novel solid-solid phase change materials via two step free radical polymerization reaction. The structural ...
  • Rock slope stability assessment of limestone quarry; an example from Istanbul Cebeci region, Turkey 

    Yılmaz, Murat; Tuğrul, Atiye; Er, Selman; Ertin, Altay; Tokgöz, Nuray; Arel, Ersin (Springer International Publishing Ag, Gewerbestrasse 11, Cham, Ch-6330, Switzerland, 2015)
    The Cebeci Region is characterised by famous outcrops of Carboniferous Limestone which is mined out for aggregate production. The aim of this study is to investigate slope stability problems for heavily jointed karstic ...
  • The comparison of different mathematical methods to determine the BOD parameters, a new developed method and impacts of these parameters variations on the design of WWTPs 

    Şibil, Rahim; Berkün, Mehmet; Bekiroğlu, Serkan (Elsevier Science Inc, 360 Park Ave South, New York, Ny 10010-1710 Usa, 201-01-15)
    One of the most common tests for the determination of strength and organic content of wastewater is the biochemical oxygen demand (BOO). This test is widely applied to define organic water pollution and to control the ...
  • Development of a Precision Farming System for Turkish Farmers 

    Ürüşan, Ahmet Yücel; Akdemir, Bahattin; Sağlam, Nezihi; Aydoğdu, Beytullah; Bellitürk, Korkmaz; Altınkaradağ, Arda; Kesici, Erol (Int Soc Horticultural Science, Po Box 500, 3001 Leuven 1, Belgium, 2014)
    The objective of this paper is to explain the information about a precision farming system which has been developed for Turkish farmers. The developed system includes a variable rate controller for centrifugal fertiliser ...
  • Geotextile tube usage for coastal shore protection 

    Çokgör, Şevket; Öztuğ, Volkan; Aksel, Murat Aksel (Stef92 Technology Ltd, 1 Andrey Lyapchev Blvd, Sofia, 1797, Bulgaria, 2015)
    Usage of the geotextile based artificial soil materials recently increase in coastal protection applications. These materials are become important such as temporary solutions, lack of supplying natural materials (rock), ...
  • Necessity and adequacy of near-source factors for not-so-tall fixed-base buildings 

    Alhan, Cenk; Sürmeli, Melih (Springer, 233 Spring St, New York, Ny 10013 USA, 2015-03)
    Nonlinear response history analyses and use of strong ground motion data including near-field effects has become a common practice in both performance based design of tall buildings and design of base-isolated buildings. ...
  • Water Runoff, sediment transport and related impacts in the Southeastern Black Sea rivers 

    Berkun, Mehmet; Aras, Egemen; Özel Akdemir, Ümmükülsüm (Gh Asachi Technical Univ Iasi, 71 Mangeron Blvd, Iasi, 700050, Romania, 2015-04)
    The Southeastern Black Sea coastal region in Turkey and Georgia is under threat of severe coastal erosion and shoreline recession. The main reason for this problem is the response of the coast to human activities. While ...
  • Analysis and management of GNSS reference station data 

    Gülal, Vahap Engin; Dindar, Ahmet Anıl; Akpınar, Burak; Tiryakioğlu, İbrahim; Aykut, Nedim Onur; Erdoğan, Hediye (Univ Osijek, Tech Fac, Trg Ivane Brlic-Mazuranic 2, Slavonski Brod, Hr-35000, Croatia, 2015-04)
    Global Navigation and Satellite System (GNSS) is used in a wide range of applications from low accuracy navigation to high accuracy point positioning. GNSS reference stations are required for using the GNSS applications ...
  • Development of earthquake energy demand spectra 

    Dindar, Ahmet Anıl; Yalçın, Mehmet Cem; Yükse, Ercan; Özkaynak, Hasan; Büyüköztürk, Oral (Earthquake Engineerıng Research Inst, 499 14Th St, Ste 320, Oakland, Ca 94612-1934 Usa, 2015-08)
    Current seismic codes are generally based on the use of response spectra in the computation of the seismic demand of structures. This study evaluates the use of energy concept in the determination of the seismic demand due ...
  • Silver incorporated microencapsulation of n-hexadecane and n-octadecane appropriate for dynamic thermal management in textiles 

    Sarıer, Nihal; Önder, Emel; Ukuşer, Gökçen (Elsevıer Science Bv, Po Box 211, 1000 Ae Amsterdam, Netherlandi, 2015-08-10)
    This study concerns with interfacial in-situ encapsulation of n-hexadecane and n-octadecane cores in poly(urea-formaldehyde) shells to fabricate microcapsules, capable of absorbing and releasing high amounts of heat ...
  • Wireless 3-Axis Accelerometer System for Measurement of Structural Displacement 

    Gürkan, Koray; Gürkan, Güray; Dindar, Ahmet Anıl; Akpınar, Burak; Gülal, Vahap Engin (IEEE, 345 E 47Th St, New York, Ny 10017 Usa, 2013)
    In this study, we present the design of a 3-axis acceleration measurement system that is capable of UTC (Coordinated Universal Time) time-stamping captured from a Global Positioning System (GPS) receiver module. With this ...
  • The Ionospheric Refractivity Effects on the GPS Signals 

    Ünver, Onur; Guyer, Sinan; Uzel, Turgut; Can, Zehra (IEEE, 345 E 47Th St, New York, Ny 10017 Usa, 2013)
    The communication between the global navigation satellites and ground observation stations is provided by the electromagnetic waves that emits from the satellites. When the satellite signals pass through the Ionosphere, ...
  • A variant of modal pushover analyses (VMPA) based on a non-incremental procedure 

    Sürmeli, Melih; Yüksel, Ercan (Springer, Van Godewijckstraat 30, 3311 Gz Dordrecht, Netherlands, 2015-11)
    A variant of modal pushover analysis (VMPA) is presented to evaluate the seismic performance of the structures. The suggested procedure is based on an iterative process in which secant stiffnesses are used both at the ...
  • Seismic Response Analysis of Masonry Minaret and Possible Strengthening by Fiber Reinforced Cementitious Matrix (FRCM) Materials 

    Türk, Ahmet Murat (Hindawi Publishing Corporation, 410 Park Avenue, 15Th Floor, #287 Pmb, New York, Ny 10022 Usa, 2013)
    This paper presents the analytical study on the dynamic response of a natural stone block masonry minaret of a historical mosque located in Istanbul, Turkey. A three-dimensional finite element model of the whole minaret, ...
  • Kernel Datum Transformation Considering Triangle Weight Centers 

    Uzel, Turgut; Eren, Kamil; Ürüşan, Ahmet Yücel; Gülal, Vahap Engin (Springer-Verlag Berlin, Heidelberger Platz 3, D-14197 Berlin, Germany, 2013)
    When using GPS measurement data one always has to transform WGS84 coordinates to the ED50 coordinate system or to the desired local coordinate system or projection. The opposite is also needed. Several methods are available ...
  • Influence of Raw Rice Husk Addition on Structure and Properties of Concrete 

    Biricik, Hasan; Yüzer, Nabi; Çınar, Zekiye; Aköz, Zekiye; Yalçın Gürkan, Yelda; Kabay, Nihat; Kızılkanat, Ahmet Beşer (Elsevier Sci Ltd, The Boulevard, Langford Lane, Kidlington, Oxford Ox5 1Gb, Oxon, England, 2013-07)
    When concrete is exposed to high temperatures, vapor pressure increases and the concrete may spall. In order to prevent this, polypropylene fibers are added to concrete. However, it is known that these fibers produce harmful ...
  • Ultrasound Assisted Solvent Free Intercalation of Montmorillonite with PEG1000: A New Type of Organoclay with Improved Thermal Properties 

    Sarıer, Nihal; Önder, Emel; Ukuşer, Gökçen; Öztürk, Mehmet; Arat, Refik (Elsevier Science Bv, Po Box 211, 1000 Ae Amsterdam, Netherlands, 2013-08-20)
    This study investigates the intercalation of low molecular weight poly(ethylene glycol), PEG1000, into a montmorillonite-type Anatolian clay mineral (MMTA) using ultrasound sonication in a solvent free medium to produce a ...
  • Monitoring the Tectonic Plate Movements in Turkey Based on the National Continuous GNSS Network 

    Uzel, Turgut; Eren, Kamil; Gülal, Vahap Engin; Tiryakioğlu, İbrahim; Dindar, Ahmet Anıl; Yılmaz, Haluk (Springer Heidelberg, Tiergartenstrasse 17, D-69121 Heidelberg, Germany, 2013-09)
    In recent decades, the space geodesy has been applied to the areas such as transportation, infrastructure planning, navigation, etc. Among them, the precise positioning at the Global Navigation Satellite System (GNSS) ...
  • investigation Of The Behavior Of Gusset Plate Welded Slotted Stainless Steel Tubular Members Under Axial Tension 

    Seçkin, Edip; Kıymaz, Güven (Crc Press-Taylor & Francis Group, 6000 Broken Sound Parkway Nw, Ste 300, Boca Raton, Fl 33487-2742 USA, 2012-09)
    In this paper, an experimental study on the behaviour of slotted end tubular member tension connections in stainless steel is presented. The failure of slotted end tension connections is mostly governed by fracture near ...

Daha Fazla