Browsing Engineering by Title
Now showing items 2487-2506 of 3411
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Phase synchronization for distributed sensor networks in feedback bit errors
(IEEE, 2010-06-25)It has been reported recently that phase synchronization in distributed sensor networks can be achieved by adjusting the phase in sensors randomly with a single bit feedback from the receiver (base station) to the sensors. ... -
Phase-change heat transfer of bare surface evaporator with phase-separating wick in downward facing orientation
(Elsevier, 2021-07-01)Liquid-vapor, phase-change heat transfer using wicks can provide reliable and high heat flux cooling capability, especially in microgravity applications. However, the maximum heat removal capacity, also known as Critical ... -
Phase-change heat transfer of sintered-particle wick in downward facing orientation: Particle size and wick thickness effects
(Elsevier, 2020-07)Two-phase cooling systems using wicks offer reliable and high heat flux cooling capability, however, the maximum heat removal capacity is related to capillary pumping limit and wick superheat. In this study, non-uniform ... -
Photocurable polymers for 3d printing
(Wichita State University, 2020-05)Additive manufacturing, rapid prototyping, and 3D printing are three interchangeable terms that describe creating layers upon layers to form an object from a computer aided design (CAD). Additive manufacturing (AM) has a ... -
PHY-supported frame aggregation for wireless local area networks
(IEEE, 2014-10)An aggregate medium access control (MAC) service data unit (A-MSDU) contains multiple subframes with a single sequence number. Hence, it has a major drawback in environments with high error rates because if any subframes ... -
Physiological capacities of individuals with cerebral palsy
(Sage Publications, 1990-08)The physical work capacity (PWC) and the physiological response to stimulated tasks of nine ambulatory individuals with cerebral palsy (CP) were studied. Energy demand for each work task was determined by percentage of PWC ... -
PI controller design for robust stability of a steam generator unit in the presence of additive uncertainty
(Wichita State University. Graduate School, 2010-04-23)A graphical design method for finding all achievable Proportional Integral (PI) controllers that stabilize a non-reheat steam generator unit for a range of plant parameters has been introduced. Additive Uncertainty is used ... -
Piggybacking of UDP and TCP packets
(Wichita State University, 2011-12)In this research, the concept of piggybacking has been extended to concatenate Transmission Control Protocol (TCP) and User Datagram Protocol (UDP) packets. In any given network scenario, voice (UDP) is given priority ... -
Piloted simulator evaluations of an adaptive loss-of-control avoidance prediction architecture and augmented-reality pilot advisory display
(American Institute of Aeronautics and Astronautics Inc, AIAA, 2021-01)Loss-of-control in-flight has consistently been the primary contributor to air accidents worldwide. Towards mitigating aircraft loss-of-control, the General Aviation Flight Lab at Wichita State University has developed an ... -
Pipeline LRU block replacement algorithm
(IEEE, 2000)Recent advances in VLSI technology have spurred a tremendous increase in the performance of processors. Due to the slower main memory, there exists a bottleneck in the performance of computer systems. Caching is an effective ... -
Planetary gear train microcrack detection using vibration data and convolutional neural networks
(Springer Nature, 2021-07-07)Planetary gear trains (PGTs) are widely used in many industrial applications from wind turbines to automobile transmissions due to their high power-to-weight ratio. Since PGT can be subjected to faults and prone to failure ... -
Planetary gear train microcrack detection using vibration, grayscale images and convolutional neural networks
(Wichita State University, 2020-07)Planetary Gear Trains (PGT) are widely used in many industrial applications from wind turbines to automobile transmissions due to its high power to weight ratio. Since PGT can be subjected to faults and prone to failure ... -
Plaque behavior characteristics and regrowth of plaque in diseased arteries tissue during post-cryoplasty processes
(2006-05)Atherosclerosis is a leading cause of heart diseases and mortality around the world. Recently cryoplasty has emerged as a potentially effective method to treat atherosclerosis. Finite element heat transfer and mass transfer ... -
Plasma spray coatings for polymer composites
(2006-12)Thermal spray coating was studied as one of the techniques used for coating graphite reinforced polymer composites, which are extensively used in the aviation industry. These coatings were studied for improvement of surface ... -
Polar coding for the multiple access wiretap channel via rate-splitting and cooperative jamming
(IEEE, 2018-12)We consider strongly secure communication over a discrete memoryless multiple access wiretap channel with two transmitters. No degradation or symmetry assumptions are made on the channel. Our main result is that any rate ... -
Pole placement using projective controls and LQ modification
(IEEE, 1991-06-26)A method for solving the output regulator problem by using projective controls was reported by Medanic. Using this method reigenvalues of the state feedback closed-loop system can be retained where r is the number of the ... -
Polymer gel electrolytes for solid-state supercapacitors
(Wichita State University. Graduate School, 2014-04-25)The ability to achieve high surface areas with nanotechnology brought advancements in energy storage devices and their applications. Supercapacitors have the ability to charge and discharge quickly, and hold as much energy ... -
Polymeric biomaterials for wound healing applications: a comprehensive review
(Taylor and Francis Ltd., 2022-06-19)Chronic wounds have been a global health threat over the past few decades, requiring urgent medical and research attention. The factors delaying the wound-healing process include obesity, stress, microbial infection, aging, ... -
Polynomial learning of distribution families
(Society for Industrial and Applied Mathematics, 2015-07-07)The question of polynomial learnability of probability distributions, particularly Gaussian mixture distributions, has recently received significant attention in theoretical computer science and machine learning. However, ... -
Polyurethane nanocomposite coating with silanized graphene and hexagonal boron nitride as nanoadditives for improved resistance against ultraviolet degradation
(SAGE, 2018-09-14)Polyurethane coatings modified with silanized graphene and/or hexagonal boron nitride as nanoadditives were synthesized, characterized, and tested for ultraviolet degradation and hydrophobicity. These coatings containing ...