Relevant bibliographies by topics / Transient differential characteristics

Contents

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

Academic literature on the topic 'Transient differential characteristics'

Author: Grafiati
Published: 28 June 2021
Last updated: 29 July 2025

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Journal articles on the topic "Transient differential characteristics"

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Dong, Hua Ying, Li Ze Xu, Gui Shu Liang, Xin Liu, and Xu Cheng. "Wide-Band Modeling of Grounding Grid Based on the Fractional Order Differential Theory." Advanced Materials Research 860-863 (December 2013): 2292–95. http://dx.doi.org/10.4028/www.scientific.net/amr.860-863.2292.

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Research on the wide-band modelling method of the grounding grid and the analysis of the electromagnetic transients on the grounding grid has significant practical meaning on the engineering problems, e.g. overvoltage protection, insulation coordination and electromagnetic interference and the increasing levels of capacity in the power and communication systems. This paper presents strategies which establish the equivalent circuit for computing the transient performance of grounding grid base on fractional order differential theory, which takes into account the fractional frequency characteris
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Yu, Xiaodong, Jian Zhang, and Ling Zhou. "Hydraulic Transients in the Long Diversion-Type Hydropower Station with a Complex Differential Surge Tank." Scientific World Journal 2014 (2014): 1–11. http://dx.doi.org/10.1155/2014/241868.

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Based on the theory of hydraulic transients and the method of characteristics (MOC), a mathematic model of the differential surge tank with pressure-reduction orifices (PROs) and overflow weirs for transient calculation is proposed. The numerical model of hydraulic transients is established using the data of a practical hydropower station; and the probable transients are simulated. The results show that successive load rejection is critical for calculating the maximum pressure in spiral case and the maximum rotating speed of runner when the bifurcated pipe is converging under the surge tank in
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Tang, Jun. "Application of Wavelet Analysis in Transient Electromagnetic Sounding." Advanced Materials Research 346 (September 2011): 757–63. http://dx.doi.org/10.4028/www.scientific.net/amr.346.757.

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On the basis of explaining the basis theory on transient electromagnetic sounding, wavelet theory and imaging principle of differential conductivity for transient electromagnetic sounding data, this thesis proposes rapid imaging technology of electromagnetic sounding based on wavelet analysis, describes the characteristics of noises under wavelet decomposition, and employs wavelet packet analysis to eliminate noise of signals, at last, introduces wavelet analysis into transient electromagnetic sounding on the platform of MATLAB wavelet function toolbox and deals with differential conductivity
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Zhang, Xu. "Transient Flow Characteristics of a Pressure Differential Valve with Different Valve Spool Damping Orifice Structures." Strojniški vestnik - Journal of Mechanical Engineering 70, no. 3-4 (2024): 141–58. http://dx.doi.org/10.5545/sv-jme.2023.691.

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Lubrication system failure is a significant cause of in-flight shutdown incidents in aviation engines. The pressure differential valve, an essential component of a certain type of aviation engine lubrication system, is responsible for controlling the flow rate and pressure of the lubricating oil. Comprehending the transient flow characteristics of the pressure differential valve is of paramount importance for the secure operation of lubrication systems. This paper establishes a transient flow model of a pressure differential valve based on a transient computational fluid dynamics (CFD) method,
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Chao, Xiuli, and Yuxi Zheng. "TRANSIENT ANALYSIS OF IMMIGRATION BIRTH–DEATH PROCESSES WITH TOTAL CATASTROPHES." Probability in the Engineering and Informational Sciences 17, no. 1 (2003): 83–106. http://dx.doi.org/10.1017/s0269964803171057.

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Very few stochastic systems are known to have closed-form transient solutions. In this article we consider an immigration birth and death population process with total catastrophes and study its transient as well as equilibrium behavior. We obtain closed-form solutions for the equilibrium distribution as well as the closed-form transient probability distribution at any time t ≥ 0. Our approach involves solving ordinary and partial differential equations, and the method of characteristics is used in solving partial differential equations.
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Gabbasova, Elena L., Artem E. Komissarov, Olga E. Agranovich, et al. "Hereditary sensory motor polyneuropathy." Pediatric Traumatology, Orthopaedics and Reconstructive Surgery 8, no. 3 (2020): 333–42. http://dx.doi.org/10.17816/ptors21182.

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Congenital contractures are a heterogeneous group of various diseases with different etiology and pathogenesis. The article describes a family case of hereditary sensory-motor polyneuropathy caused by a mutation with 943GA (p Arg315Trp) in the TRPV4 gene (transient receptor potential vanilloid cation channel 4, NM_021625. 4). The article presents the clinical and neurological characteristics of the patient, the results of genetic and neurophysiological examination of the patient and his parents, differential diagnosis of this disease.
 Congenital contractures are a heterogeneous group of
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Wei, Wei, Li He, Wei Zhen, and Xiao Bin Liang. "Analysis on Line Differential Protection Based on Transient Saturation Characteristics of TPY-Type Current Transformer." Advanced Materials Research 1070-1072 (December 2014): 671–77. http://dx.doi.org/10.4028/www.scientific.net/amr.1070-1072.671.

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Transient saturation characteristics of TPY-type current transformer have great impact on the right action of line differential protection. This paper proposes an analytical method of line differential protection under current transformer saturation by utilizing current transformer model and test methods. The true current value of primary side can be obtained by our proposed method and therefore it yields correct assessment of line operating status. This method has high reliability applying to practical engineering examples of differential protection.
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Zhang, Xiaoqing. "An Efficient Algorithm for Transient Calculation of the Electric Networks Including Magnetizing Branches." Mathematical Problems in Engineering 2011 (2011): 1–11. http://dx.doi.org/10.1155/2011/479626.

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A simplified model of magnetic saturation characteristics is proposed in this paper for transient calculation of the electric networks including magnetizing branches. The model represents the magnetic saturation characteristics by the continuous function instead of the piecewise linear approximation. Based on the proposed model, an efficient transient algorithm is developed. The nonlinear differential equations describing the transient behavior of the magnetizing branches are solved by the semiexplicit Runge-Kutta method, in which noniterative computations are involved. The transient calculati
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Gao, Yang, and Guo Yan Liang. "The Analysis and Discussion of the Actual Case about the Differential Protection Malfunction Caused by the Transient Exciting Current of Large-Scale High-Voltage Main Transformer at the Time of Switching." Advanced Materials Research 694-697 (May 2013): 785–89. http://dx.doi.org/10.4028/www.scientific.net/amr.694-697.785.

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In this paper, based on the choice of voltage level 500kV for large transformer differential protection of maloperation accident actually as an example, discusses how to improve the reliability and the transformer differential protection with the relationship between pressure test. Analysis found that in order to avoid the excitation transient exciting current transformer differential protection sparked the misoperation, on-site technical personnel in the differential protection setting calculation process, make use of data in conformity with the relevant parameters, rules and standards, famil
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Deng, Xiaopin, Hua Huang, Yong Liu, Xiaozhou Wang, and Bin Liu. "Research on Consistency of Transient Response Characteristics of Current Transformers for DC application in DC Engineering." Journal of Physics: Conference Series 2087, no. 1 (2021): 012024. http://dx.doi.org/10.1088/1742-6596/2087/1/012024.

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Abstract In ultra high voltage(UHV) DC system, the transient characteristics for fault current monitoring of current transformers for DC application (DCCTs) and the consistency of response characteristics when different types of DCCTs are used for differential protection have become important factors affecting the safe and stable operation of DC system. In this paper, transient characteristics of all-fiber DCCTs and shunt DCCTs mainly used in DC system were studied, the main parameters of the transient characteristics including delay time and maximum peak instantaneous error were tested, and t
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Dissertations / Theses on the topic "Transient differential characteristics"

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Odložilík, Daniel. "Zařízení pro testování diferenciálů." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2021. http://www.nusl.cz/ntk/nusl-445172.

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This master’s thesis deals with the design of equipment for testing differentials. The aim of the thesis is therefore the design of a special device that will be able to measure the steady and transient characteristics of differentials. Master’s thesis is divided into four chapters. The first chapter points out the disadvantages of fully open and closed differentials, the second deals with a basic overview of the structures and design of self-locking differentials. The third chapter deals with research of existing devices that test and measure the characteristics of differentials. The fourth c
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Inclan, Eric. "The Development of a Hybrid Optimization Algorithm for the Evaluation and Optimization of the Asynchronous Pulse Unit." FIU Digital Commons, 2014. http://digitalcommons.fiu.edu/etd/1582.

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The effectiveness of an optimization algorithm can be reduced to its ability to navigate an objective function’s topology. Hybrid optimization algorithms combine various optimization algorithms using a single meta-heuristic so that the hybrid algorithm is more robust, computationally efficient, and/or accurate than the individual algorithms it is made of. This thesis proposes a novel meta-heuristic that uses search vectors to select the constituent algorithm that is appropriate for a given objective function. The hybrid is shown to perform competitively against several existing hybrid and non-
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Vala, Jiří. "Regulační soustavy." Master's thesis, Vysoké učení technické v Brně. Fakulta informačních technologií, 2007. http://www.nusl.cz/ntk/nusl-412766.

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The MSc Thesis deals with real-time modelling, especially with the control circuits, where we focus on the regulation circuit with auxiliary model of the regulated system. The introduction contains the Theory of Controls and regulation. The work is divided into two basic parts. The first part deals with the problems from the theoretical point of view. The theoretical part is concerned with the general systems. Various definitions of systems, their partition and mathematical methods for their description are mentioned after introducing. A description the regulation circuits, their partition, st
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Book chapters on the topic "Transient differential characteristics"

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Cooke, A. Christian, and B. Benjamin Mestel. "Simulating the Effects of Inertia and Frequency Response Services on Transient Propagation in a Networked Grid." In Springer Proceedings in Energy. Springer Nature Switzerland, 2023. http://dx.doi.org/10.1007/978-3-031-30960-1_8.

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AbstractAs part of climate change mitigation efforts, there has been acceleration in the deployment of distributed renewable generation replacing conventional thermal power plants in grids across the world. As a result, there has been a change in the aggregate and regional inertial capacity, with consequences for the stability of these networks and their ability to withstand large variations in frequency. Building on previous work that successfully simulated frequency events on the GB grid using a single bus model, this paper describes a networked grid model using an algebraic differential sys
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Sminia, Peter, Olivier Guipaud, Kristina Viktorsson, et al. "Clinical Radiobiology for Radiation Oncology." In Radiobiology Textbook. Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-18810-7_5.

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AbstractThis chapter is focused on radiobiological aspects at the molecular, cellular, and tissue level which are relevant for the clinical use of ionizing radiation (IR) in cancer therapy. For radiation oncology, it is critical to find a balance, i.e., the therapeutic window, between the probability of tumor control and the probability of side effects caused by radiation injury to the healthy tissues and organs. An overview is given about modern precision radiotherapy (RT) techniques, which allow optimal sparing of healthy tissues. Biological factors determining the width of the therapeutic w
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"Novel Analysis Tools on Operating Characteristics of Transformer Differential Protection." In Electromagnetic Transient Analysis and Novel Protective Relaying Techniques for Power Transformers. John Wiley & Sons Singapore Pte. Ltd, 2015. http://dx.doi.org/10.1002/9781118653838.ch3.

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Khattak, Jamal F., and David B. Burkholder. "Classification of Epilepsy." In Mayo Clinic Neurology Board Review, edited by Kelly D. Flemming. Oxford University Press, 2021. http://dx.doi.org/10.1093/med/9780197512166.003.0081.

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An understanding of the definitions, classification, and key characteristics of seizures and epilepsy is vital in the initial approach to a patient presenting with seizures. Classifying seizures appropriately helps narrow the differential diagnosis and guide further testing, treatment, and prognosis. This chapter reviews the basic definitions and classifications of seizures and epilepsy and summarizes select epilepsy syndromes. A seizure is a transient occurrence of signs or symptoms due to abnormal, excessive, or synchronous neuronal activity in the brain.
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Afonin, S. M. "A Digital-to-Analog Piezo Converter-Actuator for Micro and Nano-Manipulators in Nanotechnology." In Advances in Mathematics Research. Volume 34. Nova Science Publishers, 2023. http://dx.doi.org/10.52305/rzoe1743.

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Digital-to-analog piezo converter-actuators are used in nanotechnology, adaptive optics, astronomy, and nanobiomedicine. In this work, the expressions of a digital-to-analog piezo converter-actuator are considered using the equations of reverse piezo effect and the ordinary linear differential equation of the second order. Moreover, the transient characteristic of a digital-to-analog piezo converter-actuator has been determined for nanotechnology, and the mechanical and regulation characteristics of a digital-to-analog piezo converter-actuator have been obtained. We also investigated the stati
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Lu, Zhiyu, Maksim G. Popov, Elena V. Zakharova, Mikhail V. Gushin, and Dionizio Paschoareli Jr. "A Research Method of IGBT Non-Stationary Mode for Power and Electrical Equipment Control." In Advances in Transdisciplinary Engineering. IOS Press, 2022. http://dx.doi.org/10.3233/atde220486.

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The non-stationary mode characteristics of the generalized power equipment numerical experiments are analyzed, and the electrophysical dynamic characteristics and reliability of the IGBT in the power conversion process are studied. Based on the results of short-circuit numerical experiments and the steady-state mode of pulse width control, this paper introduces a method for analyzing the nonlinear dynamic process of IGBT drive modules during power conversion. The structure of a software algorithm for conducting numerical experiments to study the non-stationary operation mode of asynchronous el
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Khudayarov, B. A., K. M. Komilova, K. Sh Ruzmetov, N. N. Yuldashev, E. Yusupov, and F. Turaev. "Development and Research of the Method of Static Systems Identification by Hysteresis." In Advances in Transdisciplinary Engineering. IOS Press, 2023. http://dx.doi.org/10.3233/atde230585.

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The paper considers methods for constructing and numerical realization of a hysteresis model for engineering systems. Mathematical models based on the analytical representation of the hysteresis characteristics of linear systems obtained by specifying piecewise linear signals at their input with different velocities of both signs on linear sections are proposed. For a more accurate description of the hysteresis characteristics of static systems that actually occur in practice, in a number of cases, differential equations of higher order are used, in particular, equations of the second order. T
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"Neurology." In ACoRN: Acute Care of at-Risk Newborns, edited by Jill E. Boulton, Kevin Coughlin, Debra O'Flaherty, and Alfonso Solimano. Oxford University Press, 2021. http://dx.doi.org/10.1093/med/9780197525227.003.0005.

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The neurology chapter examines mild, transient, and more serious, underlying neurological conditions that present in the newborn period. Abnormalities of tone, activity, alertness, and movements (i.e., seizures) can occur in many neonatal conditions, some of which require immediate intervention. Assessments include testing infant tone and reflexes, the Encephalopathy Assessment Table, distinguishing jitteriness from seizure activity, and identifying seizure characteristics. Early identification of infants with hypoxic ischemic encephalopathy—a primary cause of neonatal encephalopathy—is essent
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Japp, Alan G., Iain Simpson, Stephen Pettit, Arthur Yue, and Junaid Zaman. "Cardiovascular symptoms." In ESC CardioMed. Oxford University Press, 2018. http://dx.doi.org/10.1093/med/9780198784906.003.0002.

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The symptomatic repertoire of cardiac disease is relatively narrow and most conditions will present with one or more of chest pain, dyspnoea, palpitation, syncope, or presyncope. On the other hand, the differential diagnosis of each of these symptoms is broad and includes both cardiac and non-cardiac disorders. Certain features of acute chest pain alter the likelihood of acute coronary syndrome but, in isolation, the history is usually insufficient to rule in or rule out the diagnosis. Intermittent chest pain can be categorized as typical angina, atypical angina, or non-anginal based on three
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Parisi, Pasquale, Dorothée Kasteleijn-Nolst Trenité, Johannes A. Carpay, Laura Papetti, and Maria Chiara Paolino. "Migraine and epilepsy." In Oxford Textbook of Headache Syndromes, edited by Michel Ferrari, Joost Haan, Andrew Charles, David W. Dodick, Fumihiko Sakai, and Christopher Kennard. Oxford University Press, 2020. http://dx.doi.org/10.1093/med/9780198724322.003.0012.

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Migraine and epilepsy are both characterized by transient attacks of altered brain function with a clinical, pathophysiological, and therapeutic overlap. Furthermore, epilepsy and migraine may mimic each other. In particular, occipital lobe seizures may be easily misinterpreted as migraine with visual aura, although there seems to be several clinical characteristics that can differentiate between visual auras of epileptic and migrainous origin
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Conference papers on the topic "Transient differential characteristics"

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Horn, Joe, Adam Thorsen, and Gurbuz Ozdemir. "Use of Redundant Controls to Enhance Transient Response and Handling Qualities of a Compound Rotorcraft." In Vertical Flight Society 70th Annual Forum & Technology Display. The Vertical Flight Society, 2014. http://dx.doi.org/10.4050/f-0070-2014-9510.

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This study investigates the transient response characteristics of a compound rotorcraft and seeks to establish methods of control that enhance handling qualities via the use of redundant control surfaces. Simulations of a hypothetical compound rotorcraft based on a UH-60A airframe and rotor compounded with a wing and pusher propeller are used. This study presents general background on the simulated compound rotorcraft model, the behavior of redundant controls in minimum power quasi-steady maneuvering flight, and then extends the analysis to focus on the transient response characteristics of th
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Lv, Zhe, Zengping Wang, and Wanyu Xu. "Transient Waveform Characteristics Based Current Differential Protection of Wind Farm Outgoing Line." In 2019 IEEE 8th International Conference on Advanced Power System Automation and Protection (APAP). IEEE, 2019. http://dx.doi.org/10.1109/apap47170.2019.9224684.

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Sim, W. G., and C. Y. Choi. "Transient Analysis for Compressible Fluid Flow in Transmission Line by the Method of Characteristics." In ASME 1996 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 1996. http://dx.doi.org/10.1115/imece1996-0962.

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Abstract Transient analysis for compressible fluid flow has been conducted to evaluate the dynamic characteristics of dead-ended or volume-terminated transmission lines following a sudden pressure change at its entrance. The acoustic waves due to compressibility of fluid might be generated by the sudden pressure change. The two partial-differential equations, based on the conversion of mass, energy and momentum, were derived for the one-dimensional adiabatic compressible flow with friction and entrance head loss. The governing equations describing the present transient-state flow are hyperboli
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Hashemi, M. R., and M. J. Abedini. "Modeling of Transient Flow in Pipeline Systems Using Incremental Differential Quadrature Method." In 2008 7th International Pipeline Conference. ASMEDC, 2008. http://dx.doi.org/10.1115/ipc2008-64519.

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Our objective in this paper is to introduce the detailed implementation and performance of a new method so called Incremental Differential Quadrature Method (IDQM) for modeling transient flow in pipelines. The basics of IDQM, its structure, and the formulation of the method for numerical simulation of transient flow in pipelines are discussed. The results obtained from this numerical exercise are compared with the method of characteristics and experimental data. The test case studies show that the best structure for IDQM solution is cosine grid distribution. In terms of viscous damping, the in
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Heydari, Ali, Pardeep Shahi, Vahideh Radmard, et al. "Experimental Study of Transient Hydraulic Characteristics for Liquid Cooled Data Center Deployment." In ASME 2022 International Technical Conference and Exhibition on Packaging and Integration of Electronic and Photonic Microsystems. American Society of Mechanical Engineers, 2022. http://dx.doi.org/10.1115/ipack2022-97425.

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Abstract Increasing demands for cloud-based computing and storage, Internet-of-Things, and machine learning-based applications have necessitated the utilization of more efficient cooling technologies. Direct-to-chip liquid cooling using cold plates has proven to be one of the most efficient methods to dissipate the high heat fluxes of modern high-power CPUs and GPUs. While the published literature has well-documented research on the thermal aspects of direct liquid cooling, a detailed account of transient hydraulic investigation is still missing. In this experiment, a total of four 52U racks w
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Ganji, A. R., M. Khadem, and S. M. H. Khandani. "Transient Dynamics of Gas Turbine Engines." In ASME 1993 International Gas Turbine and Aeroengine Congress and Exposition. American Society of Mechanical Engineers, 1993. http://dx.doi.org/10.1115/93-gt-353.

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Transient response of gas turbine engines depends on several parameters including engine type, components’ characteristics, and operational condition. This paper briefly describes the general methodology and approach for transient sensitivity analysis of various gas turbine engines, and the results of a computer program for analysis of the transient behavior of a single spool turbojet. Based on the method of intercomponent volumes, the general methodology applicable to transient analysis of any gas turbine based system has been developed. The method results in a set of stiff, time dependent no
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Meliande, Patricia, Elson Antonio do Nascimento, and Rogerio Fernandes Lacerda. "Transient Evaluation for LPG and Oil Pipelines." In 2010 8th International Pipeline Conference. ASMEDC, 2010. http://dx.doi.org/10.1115/ipc2010-31323.

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Nowadays, anticipating and controlling transient response is a critical design activity for ensuring both safety and integrity of the operational subsea system. Predicting transient effect, commonly known as surge pressure, is of high importance for offshore industry. In order to determine the installation of protection equipments to avoid surge pressure effects, the operational teams have raised concerns, whether the system is adequately designed to protect the subsea system against possible surge pressures during the event of sudden closure of a valve. Researches, referred to transient effec
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Mironova, Tatiana, Andrey Prokofiev, and Victor Sverbilov. "The Finite Difference Technique for Modelling of Pipe System Vibroacoustical Characteristics." In 9th FPNI Ph.D. Symposium on Fluid Power. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/fpni2016-1533.

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The finite difference technique of vibroacoustical pipeline characteristics are developed. The technique allows calculations vibroacoustical characteristics of pipe with the axial line lying in one plane under force excitation by oscillating fluid flow. The technique is based on the solving differential equation system of interaction between solid and oscillating fluid in the pipeline. Solution was done for transient non-stationary nonlinear differential equation system. The boundary conditions for fluid is a parameter combination of complex pressure oscillation amplitude of pipeline inlet sec
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Washington, DeVon A., and LeRoy N. Reiss. "Transient Analysis of a High Pressure Seal Injection System Under Startup Conditions." In ASME 2014 Power Conference. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/power2014-32129.

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This study examines the transient behavior of a seal injection system, for four boiler circulating water pumps, in an effort to optimize seal flush rates under startup conditions. During startup, seal injection supply water experiences a large increase in pressure, going from 1.8–26.2 MPa. This large increase in supply pressure presents a challenge in maintaining the desired differential pressure across the seals, and hence the optimum seal flush rate. Overshoot of the control valve position can result in starving the seals of seal water. Delayed responses expose the seals to excessively large
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Petkovic, Djordje, Milan Banjac, Srdjan Milic, Milan V. Petrovic, and Alexander Wiedermann. "Modelling the Transient Behaviour of Gas Turbines." In ASME Turbo Expo 2019: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/gt2019-91008.

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Abstract As a consequence of the increasing share of renewable energy sources in present-day electrical grid systems, time variations of the power demand for fossil fuel plants can become more sudden. Therefore, an ability to respond to sudden load changes becomes an important issue for power generation gas turbines. This paper describes a real-time model for predicting the transient performance of gas turbines. The method includes basic transient phenomena, such as volume packing and the heat transfer between the working fluid and the structural elements. The dynamics of components are quanti
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Reports on the topic "Transient differential characteristics"

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Tawfik, Aly, Deify Law, Juris Grasis, Joseph Oldham, and Moe Salem. COVID-19 Public Transportation Air Circulation and Virus Mitigation Study. Mineta Transportation Institute, 2022. http://dx.doi.org/10.31979/mti.2021.2036.

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COVID-19 may have forever changed our world. Given the limited space and air circulation, potential infections on public transportation could be concerningly high. Accordingly, this study has two objectives: (1) to understand air circulation patterns inside the cabins of buses; and (2) to test the impact of different technologies in mitigating viruses from the air and on surfaces inside bus cabins. For the first objective, different devices, metrics and experiments (including colored smoke; videotaping; anemometers; pressure differentials; particle counts; and 3D numerical simulation models) w
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Tawfik, Aly, Deify Law, Juris Grasis, Joseph Oldham, and Moe Salem. COVID-19 Public Transportation Air Circulation and Virus Mitigation Study. Mineta Transportation Institute, 2022. http://dx.doi.org/10.31979/mti.2022.2036.

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COVID-19 may have forever changed our world. Given the limited space and air circulation, potential infections on public transportation could be concerningly high. Accordingly, this study has two objectives: (1) to understand air circulation patterns inside the cabins of buses; and (2) to test the impact of different technologies in mitigating viruses from the air and on surfaces inside bus cabins. For the first objective, different devices, metrics and experiments (including colored smoke; videotaping; anemometers; pressure differentials; particle counts; and 3D numerical simulation models) w
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Lers, Amnon, E. Lomaniec, S. Burd, A. Khalchitski, L. Canetti, and Pamela J. Green. Analysis of Senescence Inducible Ribonuclease in Tomato: Gene Regulation and Function. United States Department of Agriculture, 2000. http://dx.doi.org/10.32747/2000.7570563.bard.

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Natural leaf senescence has a negative influence on yield. Postharvest induced senescence contributes to the losses of quality in flowers, foliage, and vegetables. Strategies designed to control the senescence process in crop plants could therefore have great applied significance. Senescence is regulated by differential gene expression yet, functional characterization of the genes specifically induced and study of their expression control, is still in its infancy. Study of senescence-specific genes is required to allow identification of regulatory elements participating in senescence-induced e
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