Now showing items 26-45 of 112

    • Development of Heat Storing Poly (acrylonitrile) Nanofibers By Coaxialelectrospinning 

      Sarıer, Nihal (2018)
      New thermal energy storage materials were developed as poly(acrylonitrile) (PAN) nanofibers with encapsulatedphase change materials (PCMs). Sixteen samples composed of PAN shells and PEG or PEGME cores, and onecontrol ...
    • Development of heat storing poly(acrylonitrile) nanofibers by coaxial electrospinning 

      Sarıer, Nihal; Noyan, Ezgi C. B.; Önder Karaoğlu, Emel; Arat, Refik (Elsevier Science Bv, Po Box 211, 1000 AE Amsterdam, Netherlands, 2018-04-10)
      New thermal energy storage materials were developed as poly(acrylonitrile) (PAN) nanofibers with encapsulated phase change materials (PCMs). Sixteen samples composed of PAN shells and PEG or PEGME cores, and one control ...
    • Diagnosis of the transition from rock soil in a granodiorite 

      Arel, E.; Önalp, A. (ASCE-AMER SOC CIVIL ENGINEERS, 1801 ALEXANDER BELL DR, RESTON, VA 20191-4400 USA, 2004-09)
      This paper describes an attempt to develop a method to define when granodiorite loses its properties as a rock and transforms into soil material. The research program approached the problem from a mechanistic point of view ...
    • Dynamic behavior and optimization of offshore gravity platforms 

      Mastanzade, Nıjat S.; Yazıcı, Gökhan (ASME-AMER SOC MECHANICAL ENG, THREE PARK AVE, NEW YORK, NY 10016-5990 USA, 2005-05)
      This paper presents the results of a dynamic investigation with the aim of determining both the optimal shape of an offshore gravity platform column and the required mass of the infill water The natural frequency formulation ...
    • Dynamic behaviour of seismically isolated cylindrical offshore storage tanks 

      Yazıcı, Gökhan; Mastanzade, Nijat (AMER SOC MECHANICAL ENGINEERS, THREE PARK AVENUE, NEW YORK, NY 10016-5990 USA, 2005)
      Cylindrical offshore storage tanks are mainly used to store critical liquids such as petroleum and LNG. Failure of these tanks after an earthquake not only results in high financial losses but can also create an environmental ...
    • Effect Of Depth Of Ground Water On The Seismic Response Of Frame Type Buildings On Sand Deposits. Part I: Soil Response 

      Dikmen, S. Ümit; Türk, Ahmet Murat; Kıymaz, Güven (Springer, Po Box 17, 3300 Aa Dordrecht, Netherlands, 2009)
      Earthquake codes often times classify the subsoil based on their shear wave velocities which are mostly calculated based on the situ static conditions. However, it has been shown by various researchers that saturated sands ...
    • Effect of introducing RC infill on seismic performance of damaged RC frames 

      Türk, Ahmet Murat; Ersoy, Uğur; Özcebe, Güney (TECHNO-PRESS, PO BOX 33, YUSEONG, DAEJEON 305-600, SOUTH KOREA, 2006-06-30)
      The main objective of this study was to investigate the seismic behavior of damaged reinforced concrete frames rehabilitated by introducing cast in place reinforced concrete infills. Four bare and five infilled frames were ...
    • Effect of Managers' Organizational Justice Understanding on the Level of Employees' Organizational Commitment and Job Satisfaction 

      Demir, Murat; Güney, Salih; Akyürek, Salim; Uğural, Mehmet Nurettin; Aslan, İlker (Editura Lumen, Iasi, Holt Romania Fcsscf Fılıala, Iasi Str Bistrita, Nr 7, Bl B13, Parter, Ap 3, IASI, 00000, Romania, 2017-09)
      The study, which is frequently discussed organizational attitude and behaviours in the literature, direct and indirect effects of organizational justice, organizational commitment, and job satisfaction, are studied through ...
    • Effectiveness of amino alcohol-based surface-applied corrosion inhibitors in chloride-contaminated concrete 

      Söylev, Tayfun Altuğ; McNally, Ciaran; Richardson, Mark (PERGAMON-ELSEVIER SCIENCE LTD, THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND, 2007-06)
      In the present study, the effectiveness of two generations of amino alcohol (AMA) based surface-applied corrosion inhibitors (SACI) is investigated. The inhibitors were applied on the surface of the hardened concrete. The ...
    • Effects of bar-placement conditions on steel-concrete bond 

      Söylev, Tayfun Altuğ; Francois, Raoul (SPRINGER, VAN GODEWIJCKSTRAAT 30, 3311 GZ DORDRECHT, NETHERLANDS, 2006-03)
      Vertical sections exhibit a variety of factors that affect the bond between the embedded steel bars and the concrete, like casting position, concrete characteristics, and compaction procedure. The results obtained in this ...
    • 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 ...
    • Effects Of Soil Group On The Cost Of Industrial Structures 

      Dikmen, Seyyit Ümit; Özek, Senem (Turkish Chamber Civil Engineers, Selanik Cad No 19-1, Kizilay, Ankara 06650, Turkey, 2011-07)
      Recent occurrences of major earthquakes have necessitated the introduction of new rules and restrictions in the technical specifications in the whole world as well as in Turkey. In this context, in Turkey the current ...
    • Encapsulation of phase change materials by complex coacervation to improve thermal performances of woven fabrics 

      Önder, Emel; Sarıer, Nihal; Çimen, Erhan (ELSEVIER SCIENCE BV, PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS, 2008-01-30)
      In this study, three types of paraffin waxes suitable for textile applications, namely n-hexadecane, n-octadecane and n-nonadecane were encapsulated through complex coacervation of natural and biodegradable polymers, gum ...
    • Experimental investigation of the hydroelastic and the structural response of a moored pontoon-type modular floating breakwater with flexible connectors 

      Loukogeorgaki, Eva; Yağcı, Oral; Loukogeorgaki, Eva; Lentsiou, Elpida Niki; Asel, Murat (Elsevier Science Bv, Po Box 211, 1000 AE Amsterdam, Netherlands, 2017-03)
      In this paper, 3D experiments are conducted aiming at the combined investigation of the hydroelastic and the structural (connectors' internal forces) response of a pontoon-type modular Floating Breakwater (FB), consisting ...
    • FE based mode interaction analysis of thin-walled steel box columns under axial compression 

      Kıymaz, Güven (ELSEVIER SCI LTD, THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, OXON, ENGLAND, 2005-06)
      This paper presents the Finite Element (FE) analysis based mode interaction analysis of thin-walled steel box columns under axial compression. Earlier theoretical results on the optimum design of axially compressed box ...
    • Financing Road Projects By Private Finance initiative: Current Practice in The Uk With A Case Study 

      Dikmen, Seyyit Ümit; Akbıyıklı, Rıfat; Eaton, David (Vilnius Gediminas Tech Univ, Sauletekio Al 11, Vilnius, Lt-10223, Lithuania, 2011-06)
      The necessity of funds for investment in capital intensive public projects has pushed public agencies to search for new procurement alternatives. Thus, in the early 1980s, the idea of private finance initiative (PFI) as a ...
    • Geotechnical Properties Of Adapazari Silt 

      Arel, Ersin; Önalp, Akın (Springer Heidelberg, Tiergartenstrasse 17, D-69121 Heidelberg, Germany, 2012-11)
      The geotechnical properties of silts have not been investigated extensively, because they are not found in every soil environment. It is even more difficult to understand the behaviour of silts when they are encountered ...
    • 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), ...
    • 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 ...
    • Infrastructure asset management: case of Istanbul Atatürk Airport Terminal building 

      Yiğit, Sadık; Özorhon Orakçal, Beliz (Turkish Chamber Civil Engineers, Selanik Cad No 19-1, Kızılay, Ankara 06650, Turkey, 2017-04)
      Advances in technology, changes in the regulations, and budget constraints enforce stakeholders of the infrastructure sector to improve their asset management performance. Asset management guarantees a reasonable return, ...