Relevant bibliographies by topics / Coupled coefficients

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Coupled coefficients'

Author: Grafiati
Published: 2 June 2025
Last updated: 31 July 2025

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Journal articles on the topic "Coupled coefficients"

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Sorocki, Jakub, Kamil Staszek, Ilona Piekarz, Krzysztof Wincza, and Slawomir Gruszczynski. "Application of RH and LH sections for reduction of coupling coefficients in two-section asymmetric directional couplers." International Journal of Microwave and Wireless Technologies 8, no. 3 (2015): 559–65. http://dx.doi.org/10.1017/s1759078715000410.

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A method allowing for reduction of coupling coefficients required for realization of two-section asymmetrical coupled-line directional couplers has been proposed. It has been shown that by connecting uncoupled left-handed and right-handed transmission lines between two coupled-line sections one can obtain greater design flexibility of the resulting circuit, simultaneously with the coupling reduction in coupled-line sections. Moreover, the proposed circuit features the properties of two-section asymmetric directional couplers offering wide operational bandwidth. The theoretical analysis has bee
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Zeng, Xiaohua, Xiling Wu, Changzhou Liang, Chiping Yuan, and Jieping Cai. "Exact Solutions for Coupled Variable Coefficient KdV Equation via Quadratic Jacobi’s Elliptic Function Expansion." Symmetry 15, no. 5 (2023): 1021. http://dx.doi.org/10.3390/sym15051021.

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The exact traveling wave solutions to coupled KdV equations with variable coefficients are obtained via the use of quadratic Jacobi’s elliptic function expansion. The presented coupled KdV equations have a more general form than those studied in the literature. Nine couples of quadratic Jacobi’s elliptic function solutions are found. Each couple of traveling wave solutions is symmetric in mathematical form. In the limit cases m→1, these periodic solutions degenerate as the corresponding soliton solutions. After the simple parameter substitution, the trigonometric function solutions are also ob
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Marcuse, D. "Coupling coefficients of coupled laser cavities." IEEE Journal of Quantum Electronics 22, no. 2 (1986): 223–26. http://dx.doi.org/10.1109/jqe.1986.1072958.

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Lang, R., and A. Yariv. "Coupling coefficients for coupled-cavity lasers." IEEE Journal of Quantum Electronics 23, no. 3 (1987): 287–89. http://dx.doi.org/10.1109/jqe.1987.1073341.

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Baalrud, Scott D. "Transport coefficients in strongly coupled plasmas." Physics of Plasmas 19, no. 3 (2012): 030701. http://dx.doi.org/10.1063/1.3690093.

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Sahrawat, Ravinder Kumar, and Poonam. "Reflection-Refraction Coefficients and Energy Ratios in Couple Stress Micropolar Thermoviscous Elastic Solid." International Journal of Applied Mechanics and Engineering 26, no. 2 (2021): 47–69. http://dx.doi.org/10.2478/ijame-2021-0019.

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Abstract The reflection and refraction phenomenon of propagation of waves in couple stress micropolar thermoviscous elastic solid media with independent viscoelastic and micropolar properties have been studied. The structure of the model has been taken such that the plane interface is divides the given media into two half spaces in perfect contact. Here, we find that there are five waves, one of them is propagating independently while others are set of two coupled waves travelling with different speeds. Energy ratios, reflection and refraction coefficients relative to numerous reflected and re
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Li, Zhao, Peng Li, and Tianyong Han. "Dynamical Behavior and the Classification of Single Traveling Wave Solutions for the Coupled Nonlinear Schrödinger Equations with Variable Coefficients." Advances in Mathematical Physics 2021 (August 26, 2021): 1–10. http://dx.doi.org/10.1155/2021/9955023.

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In this paper, the dynamical properties and the classification of single traveling wave solutions of the coupled nonlinear Schrödinger equations with variable coefficients are investigated by utilizing the bifurcation theory and the complete discrimination system method. Firstly, coupled nonlinear Schrödinger equations with variable coefficients are transformed into coupled nonlinear ordinary differential equations by the traveling wave transformations. Then, phase portraits of coupled nonlinear Schrödinger equations with variable coefficients are plotted by selecting the suitable parameters.
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Larsen, Mogens Esrom, and Bjarne Sloth Jensen. "Coupled Linear Differential Equations with Real Coefficients." American Mathematical Monthly 96, no. 8 (1989): 727. http://dx.doi.org/10.2307/2324725.

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Bobrov, A. A., V. S. Vorob'ev, and B. V. Zelener. "Transfer coefficients in ultracold strongly coupled plasma." Physics of Plasmas 25, no. 3 (2018): 033513. http://dx.doi.org/10.1063/1.5010146.

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Schlanges, M., Th Bornath, and D. Kremp. "Rate coefficients in reacting strongly coupled plasmas." Physical Review A 38, no. 4 (1988): 2174–77. http://dx.doi.org/10.1103/physreva.38.2174.

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Dissertations / Theses on the topic "Coupled coefficients"

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Macbeth, Tyler James. "Conjugate Heat Transfer and Average Versus Variable Heat Transfer Coefficients." BYU ScholarsArchive, 2016. https://scholarsarchive.byu.edu/etd/5801.

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An average heat transfer coefficient, h_bar, is often used to solve heat transfer problems. It should be understood that this is an approximation and may provide inaccurate results, especially when the temperature field is of interest. The proper method to solve heat transfer problems is with a conjugate approach. However, there seems to be a lack of clear explanations of conjugate heat transfer in literature. The objective of this work is to provide a clear explanation of conjugate heat transfer and to determine the discrepancy in the temperature field when the interface boundary condition is
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Crofoot, Robert Farrington. "Investigations of scalar transfer coefficients in fog during the Coupled Boundary Layers and Air Sea Transfer experiment : a case study." Thesis, Massachusetts Institute of Technology, 2004. http://hdl.handle.net/1721.1/39165.

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Thesis (S.M.)--Joint Program in Applied Ocean Science and Engineering (Massachusetts Institute of Technology, Dept. of Ocean Engineering; and the Woods Hole Oceanographic Institution), 2005.<br>Includes bibliographical references (leaves 70-72).<br>The uncertainty in the determination of the momentum and scalar fluxes remains one of the main obstacles to accurate numerical forecasts in low to moderate wind conditions. For example, latent heat fluxes computed from data using direct covariance and bulk aerodynamic methods show that there is good agreement in unstable conditions when the latent h
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Crofoot, Robert F. "Investigations of scalar transfer coefficients in fog during the Coupled Boundary Layers and Air Sea Transfer Experiment : a case study." Thesis, Monterey, California. Naval Postgraduate School, 2004. http://hdl.handle.net/10945/1202.

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The uncertainty in the determination of the momentum and scalar fluxes remains one of the main obstacles to accurate numerical forecasts in low to moderate wind conditions. For example, latent heat fluxes computed from data using direct covariance and bulk aerodynamic methods show that there is good agreement in unstable conditions when the latent heat flux values are generally positive. However, the agreement is relatively poor in stable conditions, particularly when the moisture flux is directed downward. If the direct covariance measurements are indeed accurate, then they clearly indic
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Siqueira, Maicon Zaniboni. "Anisotropic shear viscosity and critical behavior of non-hydrodynamic quasinormal modes in strongly coupled plasmas." Universidade de São Paulo, 2017. http://www.teses.usp.br/teses/disponiveis/43/43134/tde-16082017-161531/.

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In this thesis we use the holographic gauge/gravity duality to study two different aspects of strongly coupled non-Abelian plasmas. In the first topic we study the effects of strong (Abelian) magnetic fields on the transport coefficients of a strongly coupled non-Abelian plasma. Due to the spatial anisotropy created by the magnetic field, the most general viscosity tensor of a magnetized plasma has 5 shear viscosity coefficients and 2 bulk viscosities. We use the holographic correspondence for a strongly coupled N=4 Supersymmetric Yang-Mills (SYM) plasma to evaluate the shear viscosity perpend
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Liu, Tao. "Determination of three dimensional refractive indices and absorption coefficients of anisotropic polymer films with prism wave-guide coupler." Thesis, Georgia Institute of Technology, 1999. http://hdl.handle.net/1853/8601.

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Shaghaghi, Tahereh. "FEM and XFEM approaches to Investigate the Hydromechanical Interactions within a jointed soft-rock slope." Thesis, Federation University Australia, 2020. http://researchonline.federation.edu.au/vital/access/HandleResolver/1959.17/177426.

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One of the most significant challenges of open-cut mining is to provide stability for the excavated slopes. Unrealistic predictions of the slopes’ behaviour during and after mining operations can lead to the failure of slopes, and this may pose a threat to human lives, the economy, and the environment. By excavating soft rock masses in open-cut mines, pre-existing joints can open and new joints can form behind excavated slopes. This phenomenon is due to the geotechnical character of the materials and stress relief movements of the excavated slopes. The stability of slopes in the rock masses is
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Ba, Adji Cathy. "Étude du comportement tribologique d'un couple de matériaux ferromagnétique acier XC48 en contact mécanique et magnétique à sec." Thesis, Poitiers, 2016. http://www.theses.fr/2016POIT2318/document.

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Ce mémoire s'inscrit dans l'étude du comportement tribologique d'un couple de matériaux ferromagnétique acier XC48 en contact mécanique et magnétique à sec. Le but consiste à identifier les effets liés à la présence ou à l'absence d’un champ magnétique au niveau de l'interface de contact statique et de contact glissant. La première étape a été d'établir des équations de contraintes qui régissent la réponse linéaire, ponctuelle et surfacique des solides sous chargements donnés, en utilisant des modèles développés dans la théorie d'élasticité. Elles ont ensuite été simulées sous Mathématica pour
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Davarzani, Hossein. "Déterminations théorique et expérimentale des coefficients de diffusion et de thermodiffusion en milieu poreux." Thesis, Toulouse, INPT, 2010. http://www.theses.fr/2010INPT0003/document.

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Les conséquences liées à la présence de gradients thermiques sur le transfert de matière en milieu poreux sont encore aujourd’hui mal appréhendées, essentiellement en raison de la complexité induite par la présence de phénomènes couplés (thermodiffusion ou effet Soret). Le but de cette thèse est d’étudier et de comprendre l’influence que peut avoir un gradient thermique sur l’écoulement d’un mélange. L’objectif principal est de déterminer les coefficients effectifs modélisant les transferts de chaleur et de matière en milieux poreux, et en particulier le coefficient de thermodiffusion effectif
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Chen, Zhangqi. "A Comprehensive Study of Diffusion and Modulus of Binary Systems within the Ti-Mo-Nb-Ta-Zr System." The Ohio State University, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=osu1562224291399741.

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Mwaniki, Fredrick Mukundi. "High voltage boost DC-Dc converter suitable for variable voltage sources and high power photovoltaic application." Diss., University of Pretoria, 2013. http://hdl.handle.net/2263/37320.

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Important considerations of a photovoltaic (PV) source are achieving a high voltage and drawing currents with very little ripple component from it. Furthermore, the output from such a source is variable depending on irradiation and temperature. In this research, literature review of prior methods employed to boost the output voltage of a PV source is examined and their limitations identified. This research then proposes a multi-phase tapped-coupled inductor boost DC-DC converter that can achieve high voltage boost ratios, without adversely compromising performance, to be used as an interface t
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Books on the topic "Coupled coefficients"

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Menzies, Margaret Anne. Unsteady, transonic flow around delta wings undergoing coupled and natural modes response: A multidisciplinary problem. Old Dominion University, 1996.

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Sensitivity analysis for coupled aero-structural systems. National Aeronautics and Space Administration, Langley Research Center, 1999.

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Chance, Kelly, and Randall V. Martin. Spectroscopy Fundamentals. Oxford University Press, 2017. http://dx.doi.org/10.1093/oso/9780199662104.003.0005.

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This chapter provides a broad overview of the spectroscopic principles required in order to perform quantitative spectroscopy of atmospheres. It couples the details of atmospheric spectroscopy with the radiative transfer processes and also with the assessment of rotational, vibrational, and electronic spectroscopic measurements of atmospheres. The principles apply from line-resolved measurements (chiefly microwave through infrared) through ultraviolet and visible measurements employing absorption cross sections developed from individual transitions. The chapter introduces Einstein coefficients
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Book chapters on the topic "Coupled coefficients"

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Pavlov, G. A. "Effective Transport Coefficients in Low Temperature Multicomponent Plasma." In Strongly Coupled Coulomb Systems. Springer US, 2002. http://dx.doi.org/10.1007/0-306-47086-1_131.

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Röpke, Gerd. "Dielectric Function and Transport Coefficients in Strongly Coupled Plasmas." In Strongly Coupled Coulomb Systems. Springer US, 2002. http://dx.doi.org/10.1007/0-306-47086-1_127.

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Ichimaru, Setsuo, Hiroshi Iyetomi, and Shigenori Tanaka. "Thermodynamic Functions, Transport Coefficients and Dynamic Correlations in Dense Plasmas." In Strongly Coupled Plasma Physics. Springer US, 1987. http://dx.doi.org/10.1007/978-1-4613-1891-0_1.

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Readey, Dennis W. "Coupled Diffusion Coefficients for Mass Transport of Compounds." In Ceramic Transactions Series. John Wiley & Sons, Inc., 2012. http://dx.doi.org/10.1002/9781118407080.ch13.

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Shankar, P. Mohana. "First order coupled differential equations with constant coefficients." In Differential Equations. CRC Press, 2018. http://dx.doi.org/10.1201/b22396-5.

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Ravelo, Blaise. "Cartographical Analyses of Reflection and Transmission Coefficients of Shunt Coupled Lines." In Analytical Methodology of Tree Microstrip Interconnects Modelling For Signal Distribution. Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-15-0552-2_9.

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Bartole, Dennis, Yao Ding, Gian Andrea Rassati, and James Swanson. "FEMA P-695 Verification of Seismic Design Coefficients for Mid-to-High-Rise Hybrid Coupled Core Wall Systems." In Lecture Notes in Civil Engineering. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-03811-2_115.

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Dmytruk, Veronika, Bogdana Gayvas, Bogdan Markovych, Anatolii Dmytruk, and Yevhen Chaplya. "Drying of a porous layer in an external constant electric field (electroosmotic drying)." In DRYING PROCESSES: APPROACHES TO IMPROVE EFFICIENCY. TECHNOLOGY CENTER PC, 2025. https://doi.org/10.15587/978-617-8360-09-2.ch4.

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In this Chapter, mathematical modeling of the drying process of a porous layer under the influence of an external constant electric field is presented, taking into account the electroosmotic effects on mass and heat transfer. A mathematical model of electroosmotic drying is formulated based on the coupled equations of moisture transport, electrokinetic flow, and thermal effects. The analysis considers both natural and convective drying conditions, incorporating the impact of electroosmotic forces on moisture migration within the porous medium. In the study, the fundamental mechanisms governing
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Mohammed Djaouti, Abdelhamid, and Michael Reissig. "Weakly Coupled Systems of Semilinear Effectively Damped Waves with Different Time-Dependent Coefficients in the Dissipation Terms and Different Power Nonlinearities." In Trends in Mathematics. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-10937-0_3.

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Boercker, David B. "Kinetic Theory of the Interdiffusion Coefficient in Dense Plasmas." In Strongly Coupled Plasma Physics. Springer US, 1987. http://dx.doi.org/10.1007/978-1-4613-1891-0_12.

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Conference papers on the topic "Coupled coefficients"

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AlSharif, Layan, Mohammed Alshahrani, Abdulrahman Alqahtani, Hussam Attar, and Othman Alolayan. "Influence of Oxygen Diffusion Coefficients and Soil Moisture Content on the Corrosion Behavior of Carbon Steel." In MECC 2023. AMPP, 2023. https://doi.org/10.5006/mecc2023-20174.

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Abstract This paper presents an experimental investigation that correlates the oxygen diffusion coefficient to the corrosivity of distinct Saudi Arabian soil types under various degrees of saturation (Sr). The corrosivity of the soils were assessed using electrochemical techniques including open circuit potential, electrochemical impedance spectroscopy, and potentiodynamic polarization while the effective oxygen diffusion coefficients (De) of the soils were obtained using a dual-chamber experimental setup coupled with an analytical model based on Fick’s laws. The experimental results revealed
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Zheng, Haining, Jason M. Dahl, Yahya Modarres-Sadeghi, and Michael S. Triantafyllou. "Coupled Inline-Cross Flow VIV Hydrodynamic Coefficients Database." In ASME 2014 33rd International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/omae2014-24659.

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Vortex Induced Vibrations (VIV) cause major fatigue damage to long slender bodies and have been extensively studied in the past decades. While most of the past research focused on the cross flow direction, it was recently shown that the inline motion in the direction of the flow has a major impact on the fatigue life damage due to its higher frequency (second harmonic) and more importantly, its coupling with the crossflow motion, which triggers a third harmonic stress component in the cross flow direction. In this paper, the coupled inline-crossflow VIV problem is addressed from semi-empirical
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Venkataraman, P. "Inverse Solution to the Coupled Ordinary Differential Equation." In ASME 2010 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2010. http://dx.doi.org/10.1115/detc2010-28486.

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The identification of the actual form of the constant coefficient coupled differential equations and their boundary conditions, from two sets of discrete data points, is possible through a unique two-step approach developed in this paper. In the first step, the best Bezier function is fitted to the data. This allows an effective approximation of the data and the required number of derivatives for the entire range of the independent variable. In the second step, the known derivatives are introduced in a generic model of the coupled differential equation. This generic form includes two types of
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Nguyen, Phuc N. "Validation of Coupled Inviscid/Viscous Flow Analysis for the Ducted Propulsion of an Axisymmetric Body." In SNAME 24th American Towing Tank Conference. SNAME, 1995. http://dx.doi.org/10.5957/attc-1995-032.

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A technique, which couples the lifting surface theory and Reynolds-averaged-Navier-Stokes (RANS) method to analyze the propulsor-hull interaction, was evaluated with towing tank measurements. The experimental database was for an axisymmetric body with a ducted propulsor. This database consisted of propeller thrust coefficient, torque coefficient, and duct force at different advance coefficients. The thrust and torque coefficients were predicted within 10% near design condition. The calculated duct thrust and the thrust deduction coefficients were higher than the measured values all across the
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Li Xie, Huizhong Yang, Yanjun Liu, and Feng Ding. "Iterative solutions for general coupled matrix equations with real coefficients." In 2011 American Control Conference. IEEE, 2011. http://dx.doi.org/10.1109/acc.2011.5991200.

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Montalvo, Carlo, and Mark Costello. "Estimation of Projectile Aerodynamic Coefficients Using Coupled CFD/RBD Simulation Results." In AIAA Atmospheric Flight Mechanics Conference. American Institute of Aeronautics and Astronautics, 2010. http://dx.doi.org/10.2514/6.2010-8249.

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Wei, Yuan, Zhaobo Chen, and Earl H. Dowell. "CFD Analysis of Aerodynamic Coefficients in Labyrinth Brush Seal." In ASME 2015 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/imece2015-50556.

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The aerodynamic force between a bristle pack and a rotor should be considered in order to predict the stability of a rotor brush seal system. The high pressure flow region in a brush seal makes the interaction of bristle pack, leakage flow and rotor complicated. It provides a challenge to the study of rotor brush seal system dynamic characteristics. To analyze the rotordynamic coefficients of a rotor brush seal system, a 3D CFD rotor labyrinth brush seal computational model was created using Reynolds-averaged Navier-Stokes (RANS) solutions coupled with a non-Darcian porous medium model. The re
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Ertas, B., A. Gamal, and J. Vance. "Rotordynamic Force Coefficients of Pocket Damper Seals." In ASME Turbo Expo 2006: Power for Land, Sea, and Air. ASMEDC, 2006. http://dx.doi.org/10.1115/gt2006-91058.

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This paper presents measured frequency dependent stiffness and damping coefficients for 12 and 8 bladed pocket damper seals (PDS) subdivided into 4 different seal configurations. Rotating experimental test are presented for inlet pressures at 69 bar (1,000 psi), a frequency excitation range of 20–300 Hz, and rotor speeds up to 20,200 rpm. The testing method used to determine direct and cross-coupled force coefficients was the mechanical impedance method, which required the measurement of external shaker forces, system accelerations, and motion in two orthogonal directions. In addition to the i
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Pang, Jing. "Coupled CFD-Thermal Analysis." In 2024 NDIA Michigan Chapter Ground Vehicle Systems Engineering and Technology Symposium. National Defense Industrial Association, 2024. http://dx.doi.org/10.4271/2024-01-3218.

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&lt;title&gt;ABSTRACT&lt;/title&gt; &lt;p&gt;The both CFD (Computational Fluid Dynamics) and thermal analyses are used to predict a vehicle system thermal performance during the design development. The vehicle wall temperatures and compartments temperatures under various climatic conditions are predicted in MuSES thermal analyses. The temperature and air flow distributions inside the vehicle compartment are predicted in Star CCM+ CFD analyses.&lt;/p&gt; &lt;p&gt;Recently, GDLS, Thermal Analytics, and CD-adapco jointly developed a CFD thermal analysis panel. This panel can be used to apply all
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Lakshmiraju, Murthy, and Jie Cui. "Laminar Pressure Loss Coefficient in Close Coupled Fittings." In ASME 2006 International Mechanical Engineering Congress and Exposition. ASMEDC, 2006. http://dx.doi.org/10.1115/imece2006-15999.

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Close-coupled fittings are widely used in piping system to change the direction of the fluid and to connect pipes. These fittings cause losses and these losses play a significant role in the total pressure loss in a duct system. Numerical simulations were performed using Fluent on laminar flows in a circular pipe to obtain pressure loss coefficients associated with different fittings of two elbows and three elbows. Each configuration was studied with different intermediate distances between fittings of 0, 1, 3, 5, and 10 pipe diameters. It was observed that for a Reynolds number of 100 and for
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Reports on the topic "Coupled coefficients"

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Tracy, Fred, and Farshid Vahedifard. Analytical solutions for coupled hydromechanical modeling of lateral earth pressures in unsaturated soils. Engineer Research and Development Center (U.S.), 2025. https://doi.org/10.21079/11681/49808.

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Lateral earth pressures in unsaturated soils undergo variations with changes in suction due to infiltration. The infiltration-induced alterations in the pressure head present a coupled hydromechanical problem, where interactions between solids and fluids influence the outcomes. However, existing analytical solutions for determining lateral earth pressures in unsaturated soils do not consider the effects of hydromechanical modeling. This paper presents analytical solutions for coupled hydromechanical modeling of lateral earth pressures in unsaturated soils. For this purpose, an analytical solut
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Beavers. L51557 Pressure Losses in Compressor Station Yard Pipework - Phase II. Pipeline Research Council International, Inc. (PRCI), 1987. http://dx.doi.org/10.55274/r0010277.

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The economic assessment of piping layout in compressor station yards relies on accurate prediction of pressure losses within the network. Methods currently used to predict pressure losses in station pipe work are unreliable. As a result inadequate and inaccurate information is being used when making economic assessments of piping layout and in the prediction of operating costs. By improving the design process substantial economic advantages may be gained in balancing pressure losses and compressor inlet flow conditions against investment in piping and components. Currently the existing data co
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Johra, Hicham. Performance overview of caloric heat pumps: magnetocaloric, elastocaloric, electrocaloric and barocaloric systems. Department of the Built Environment, Aalborg University, 2022. http://dx.doi.org/10.54337/aau467469997.

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Heat pumps are an excellent solution to supply heating and cooling for indoor space conditioning and domestic hot water production. Conventional heat pumps are typically electrically driven and operate with a vapour-compression thermodynamic cycle of refrigerant fluid to transfer heat from a cold source to a warmer sink. This mature technology is cost-effective and achieves appreciable coefficients of performance (COP). The heat pump market demand is driven up by the urge to improve the energy efficiency of building heating systems coupled with the increase of global cooling needs for air-cond
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Kammerer, Catherine, Nagraj S. Kulkarni, Robert J. Bruce Warmack, et al. Impurity Diffusion Coefficients of Al and Zn in Mg Determined from Solid-to-Solid Diffusion Couples. Office of Scientific and Technical Information (OSTI), 2013. http://dx.doi.org/10.2172/1095717.

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Cao Romero, Julio A., Jorge Reyes-Avendaño, Julio Soriano, Leonardo Farfan-Cabrera, and Ali Erdemir. A Pin-on-Disc Study on the Electrified Sliding Wear of EVs Powertrain Gears. SAE International, 2022. http://dx.doi.org/10.4271/2022-01-0320.

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In contrast to conventional powertrains from internal combustion engine vehicles (ICEV), the tribological performance of powertrains of electric vehicles (EVs) must be further evaluated by considering new critical operating conditions such as electrical environments. The operation of any type of electric motor produces shaft voltages and currents due to various hardware configurations and factors. Furthermore, the common application of inverters intensifies this problem. It has been reported that the induced shaft voltages and currents can cause premature failure problems in tribological compo
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Jones, David, Roy Cook, John Sovell, et al. Natural resource condition assessment: Lincoln Boyhood National Memorial. National Park Service, 2024. http://dx.doi.org/10.36967/2301822.

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The National Park Service (NPS) Natural Resource Condition Assessment (NRCA) Program administered by the NPS Water Resources Division evaluates current conditions for important natural resources and resource indicators using primarily existing information and data. NRCAs also report on trends in resource condition, when possible, identify critical data gaps, and characterize a general level of confidence for study findings. This NRCA complements previous scientific endeavors, is multi-disciplinary in scope, employs a hierarchical indicator framework, identifies and develops reference condition
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