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Browsing Makina Mühendisliği by Author "Anlaş, Günay."

Browsing Makina Mühendisliği by Author "Anlaş, Günay."

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  • 3D radial inflow turbine design and analysis for a small scale ORC application 
    Sezerkan, Emre. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2017., 2017.)
    In this study, the aim is to design and analyze a single stage subsonic radial in- ow turbine for the Organic Rankine Cycle system established in Bogazici University Renewable Energy Technologies Laboratory, by using ...
  • Adaptive boundary control using backstepping for 1D variable length string-mass system under disturbances 
    Szczesiak, Mateusz. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2022., 2022)
    In this thesis, an adaptive boundary control using delayed control methodology for a 1D wave equation is examined. The outlined problem is applied in the control of an ideal string- mass system with constant or time-varying ...
  • Analysis and optimization of a small scale solar organic rankine cycle system for power generation 
    Soysal, Umut. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2017., 2017.)
    In this study, a numerical model of a small scale concentrated solar power system is designed for Istanbul conditions and the annual performance of the system is evaluated. As a collector system, a thermal model of parabolic ...
  • Calculation of stress intensity factor for an edge cracked shape memory alloy plate 
    Alkan, Sertan. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2013., 2013.)
    In this thesis, the e ect of martensitic transformation on stress intensity factor in an edge cracked shape memory plate loaded under Mode I conditions is studied. J contour integral is evaluated by an explicit technique ...
  • Comparison of crack initiation criteria in functionally graded materials under mixed mode loading 
    Sürücüoğlu, Çiğdem. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2006., 2006.)
    In this thesis, analytical crack initiation criteria are evaluated in detail. Finite element method is used to determine crack initiation angles for edge cracked functionally graded materials. Minimum strain energy density ...
  • Computational and experimental investigation of low frequency noise in passenger vehicles 
    Oktav, Akın. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2016., 2016.)
    In this study, low frequency noise characteristics of passenger vehicles are addressed. Vehicle noise variability and dominant paths that cause low frequency booms are investigated. To diagnose the cause of variability, a ...
  • Constitutive models of shape memory alloys and their implementation to finite elements 
    Yurtoğlu, Mete. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2012., 2012.)
    The aim of this work is to study existing constitutive models for shape-memory alloys and to implement them to nite elements. Fracture behavior in Mode-I and mixed-mode is studied and, for this purpose, a 2-D edge cracked ...
  • Design and implementation of a parabolic trough collector system 
    Bilgin, Egemen Orhan. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2019., 2019.)
    With the effect of global warming on weather, most countries are interested in renewable energy sources and solar energy is the most promising one among others with an endless source. With this awareness, a lab scale test ...
  • Design improvement for rear axle cover 
    Bank, Özgür. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2009., 2009.)
    In this thesis, leakages on the rear axle covers used in Ford vehicles are investigated. Main reasons of leakage are discussed and problem is solved by improving rear axle cover design and by improving cover bolt performance. ...
  • Design, production and testing of a laboratory scale organic rankine cycle system 
    Kardaş, Onur. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2017., 2017.)
    This study presents the thermodynamic design, implementation and commissioning of a small scale organic Rankine cycle test rig. The objective was to design a exible organic Rankine cycle test rig to study performance of ...
  • Design, production and testing of a micro scale ORC 
    Bayraktar, Berkhan. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2022., 2022)
    Energy efficiency and renewable energy technologies are becoming more and more important every day. Organic Rankine Cycle is a proven way of generation of power from low temperature heat sources. In this study a 1 kW ...
  • Dynamic analysis of diesel engine crankshaft system using finite elements and multibody system simulation programs 
    Yılmaz, Yasin. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2008., 2008.)
    In this thesis, dynamic analysis of in-line six cylinder diesel engine crankshaft system is carried out using analytical and numerical methods. The dynamic analysis of the crankshaft system consists of calculation of forces, ...
  • Dynamic modeling of organic rankine cycle and its experimental verification 
    Altun, Ertuğrul. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2022., 2022)
    Renewable energy technologies and waste heat recovery systems have become more important all around the world because of global warming, global climate change, and countries' tendency to decrease fossil fuel consumption. ...
  • Eeffect of loading rate on fracture of NiTi 
    Mutlu, Fatma. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2016., 2016.)
    This thesis studies the e ect of loading rate on fracture behavior of Shape Memory Alloy (SMA) NiTi. First, Di erential Scanning Calorimetry (DSC) are used to obtain the phase transformation temperatures of NiTi. Then ...
  • Effect of air flow, water spray and nozzle injection characteristic on direct evaporative cooling 
    Shafiei, Hamed. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2019., 2019.)
    Evaporative cooling occurs through evaporation of water droplets in air. It works on the principle of injecting water spray directly into the air flow to reduce its temperature by a conversion of sensible heat of the air ...
  • Effect of loading rate and thermomechanical coupling on fracture of shape memory alloys 
    Özbaş, İsmail Yiğit. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2019., 2019.)
    This work is on the investigation of the effect of loading rate and thermomechan ical coupling on mechanical behavior and fracture of shape memory alloys (SMA). The constitutive model of Zaki and Moumni (ZM) is studied in ...
  • Effects of suspension and steering parameters on handling of a light commercial vehicle 
    Acar, Artuğ. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2006., 2006.)
    The influence of suspension and steering geometry parameters on lateral drift of a light commercial vehicle is investigated by using Automatic Dynamic Analysis of Mechanical Systems (ADAMS). The aim of this study is to ...
  • Evaluation of crack tip singular fields in shape memory alloys 
    Özerim, Gülcan. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2017., 2017.)
    In this thesis crack tip singular fields of an edge cracked shape memory alloy (SMA) plate under plane stress & Mode I are studied using similarities between loading paths of a pseudoelastic SMA and a strain hardening ...
  • Evaluation of fracture parameters of NiTi shape memory alloy using digital image correlation 
    Shafaghi, Nima. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2013., 2013.)
    In this work, Digital Image Correlation (DIC) is used to investigate the e ect of martensitic phase transformation on fracture behavior of NiTi shape memory alloy. To nd out the e ect of phase transformation from austenite ...
  • Experimental analysis and modeling of porous NiTi shape memory alloys 
    Özerim, Gülcan. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2022., 2022)
    Porosity brings new features to NiTi SMAs, and raises its potential for biomedical applications. Although different techniques are provided in the literature for manufacturing porous NiTi samples, the subject is still open ...

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