Now showing items 2902-2921 of 3221

    • A Study on the Dynamics of Spatial Mechanisms with Frictional Spherical Clearance Joints 

      Marques, Filipe; Isaac, Fernando; Dourado, Nuno; Souto, Antonio Pedro; Flores, Paulo; Lankarani, Hamid M. (American Society of Mechanical Engineers, 2016)
      An investigation on the dynamic modeling and analysis of spatial mechanisms with spherical clearance joints including friction is presented. For this purpose, the ball and the socket which compose a spherical joint are ...
    • A study on the dynamics of spatial mechanisms with frictional spherical clearance joints 

      Marques, Filipe; Isaac, Fernando; Dourado, Nuno; Souto, Antonio Pedro; Flores, Paulo; Lankarani, Hamid M. (ASME, 2017-09)
      An investigation on the dynamic modeling and analysis of spatial mechanisms with spherical clearance joints including friction is presented. For this purpose, the ball and the socket, which compose a spherical joint, are ...
    • Studying activated carbons of natural sources for supercapacitor applications 

      Faisal, Md. Shahnewaz Sabit (Wichita State University, 2015-12)
      Activated carbon (AC) can be produced from natural sources such as pistachio and acorn shells, which can be an inexpensive and good use of natural waste, and used in energy storage devices, such as supercapacitors. The ...
    • Studying execution time and memory transfer time of image processing using GPU cards 

      Asaduzzaman, Abu; Jojigiri, Srinivas; Sabu, Thushar; Tailam, Sanath (IEEE, 2021)
      With advancements in technology, the size and quantity of captured images to be analyzed are rapidly increasing. As the number of pixels in an image increases (more than 20 megapixels), additional processing power is ...
    • Studying the effects of acid treatments on the electrical behaviors of CNT wires 

      Jurak, Emil (Wichita State University, 2014-05)
      This thesis presents the results of chemically treated carbon nanotube (CNT) yarn in a non-stretched or non-compressed condition. Chemical treatment has been proven to increase the tensile strength and conductivity of CNT ...
    • Sub 750-watt electric propulsion dynamometer 

      Thulaseedharan Pillay, Yrithu (Wichita State University, 2018-12)
      The recent surge in popularity of small electric UAVs under 2kg (4 lbs.) has exposed a need for reliable electric motor performance data. With these UAVs using propulsion systems below 750 W, the systems designed to test ...
    • Sub-system based reliability assessment for distribution transformer 

      Rahman, Md Rakib Ur; Aravinthan, Visvakumar (IEEE, 2016-12-15)
      Implementation of Smart Grid into the power system has made our grid more robust and reliable. Due to integration of two-way, real time communication it is possible to monitor equipment through sensors. Continuous monitoring ...
    • The subarray division for the phase array radar 

      Wang, Dan (SPIE, 2018-05-03)
      As the dramatic development in the array signal processing, the phase array radar is widely used. The phase array radar is more flexible in beamforming since we just need to adapt the phase shift to change the direction ...
    • Submillimeter wave communication versus millimeter wave communication 

      Goswami, Madhuprana; Kwon, Hyuck M. (Chongqing University of Posts and Telecommunications, 2019)
      This paper studies the performance of a submillimeter wave antenna operating between frequencies 0.1 THz and 10 THz with a 4-cyano-4-pentylbiphenyl [5CB] substrate. Since the size and shape of the antenna impact its ...
    • Suboptimal model matching problem for two frequency scale transfer functions 

      Oloomi, Hossein; Sawan, M. Edwin (IEEE, 1989-06-21)
      H¿ model matching problem (MMP) for single-input/single-output (SISO) two frequency scale (TFS) systems is considered.
    • Subspace based blind CFO estimation for OFDM by exploiting used carriers 

      Hiren, G.; Qasaymeh, Mahmoud Mohammad; Tayem, Nizar Abdel-Hafeeth Mohammad; Pendse, Ravi; Sawan, M. Edwin (IEEE, 2009-03-30)
      Orthogonal frequency division multiplexing (OFDM) is a promising technique to handle impairments of multipath channel. Alternatively, one of its major drawbacks is the drift in reference carrier, which is known as carrier ...
    • Sum-rate distortion for a multiantenna broadcast channel due to limited feedback 

      Mukherjee, Amitav; Bijukchhe, Neelu; Kwon, Hyuck M. (Wichita State University. Graduate School., 2007-04-27)
      Realization of large capacity gains offered by multiple antenna systems depends upon the presence of channel state information (CSI) at the transmitter. However, very recently the overall impact of feedback on system capacity ...
    • Superhydrophobic behavior of electrospun nanofibers with variable additives 

      Ceylan, Muhammet (Wichita State University, 2009-12)
      This report presents the hydrophobic (90<Ѳ<150) and superhydrophobic (150<Ѳ<180) behaviors of electrospun fibers in the presence and absence of various inclusions. The research on superhydrohobicity has accelerated around ...
    • Superhydrophobic coatings for steel pipeline protection in oil and gas industries: a comprehensive review 

      Ijaola, Ahmed O.; Farayibi, Peter Kayode; Asmatulu, Eylem (Elsevier, 2020-11)
      Recently, there have been numerous deadly gas and oil pipeline explosions in the United States, resulting in extensive investigations based on corrosion and aged foundations. Superhydrophobic coatings are being developed ...
    • Superhydrophobic electrospun nanofibers 

      Nuraje, Nurxat; Khan, Waseem Sabir; Lei, Yu; Ceylan, Muhammet; Asmatulu, Ramazan (ROYAL SOC CHEMISTRY, 2013)
      This review describes state-of-the-art scientific and technological developments of electrospun nanofibers and their use in self-cleaning membranes, responsive smart materials, and other related applications. Superhydrophobic ...
    • Superhydrophobic PAN nanofibers for gas diffusion layers of proton exchange membrane fuel cells 

      Salahuddin, Mohammad; Hwang, Gisuk; Asmatulu, Ramazan (SPIE, 2016-04-16)
      Proton exchange membrane (PEM) fuel cells are considered to be the promising alternatives of natural resources for generating electricity and power. An optimal water management in the gas diffusion layers (GDL) is critical ...
    • Superhydrophobic PAN nanofibers for gas diffusion layers of proton exchange membrane fuel cells for cathodic water management 

      Salahuddin, Mohammad; Uddin, M. Nizam; Hwang, Gisuk; Asmatulu, Ramazan (Elsevier, 2018-06-21)
      Proton exchange membrane (PEM) fuel cells are considered to be promising alternatives to natural resources for generating electricity and various other powers. Optimal water management in the gas diffusion layer (GDL) is ...
    • Supervised machine learning approach for effective supplier classification 

      Harikrishnakumar, Ramkumar; Dand, Alok; Nannapaneni, Saideep; Krishnan, Krishna K. (IEEE, 2019-12)
      Supplier assessment plays a critical role in the supply chain management, which involves the flow of goods and services from the initial stage (raw material procurement) to the final stage (delivery). Supplier assessment ...
    • Supplier assessment process for a manufacturing firm 

      Patel, Favi J. (Wichita State University, 2018-04-27)
      In the global supply chain, appropriate and sustainable suppliers play a vital role in supply chain development and feasibility. In any big organization with many suppliers, it is necessary to divide suppliers based on ...
    • Supplier assessment process for manufacturing companies with existing suppliers 

      Patel, Ravi J (Wichita State University, 2018-07)
      In the global supply chain, appropriate and sustainable suppliers play a vital role in supply chain development and feasibility. In any big organization with a large number of suppliers, it is necessary to divide suppliers ...