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Journal articles on the topic 'Steady condition'

Author: Grafiati

Published: 30 May 2022

Last updated: 31 July 2025

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1

Leahy, Austin L. "Steady improvement – condition stable." Surgeon 9, no. 6 (2011): 299. http://dx.doi.org/10.1016/s1479-666x(11)00139-9.

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Homagain, Abhishesh, and Kaylena A. Ehgoetz Martens. "Emotional states affect steady state walking performance." PLOS ONE 18, no. 9 (2023): e0284308. http://dx.doi.org/10.1371/journal.pone.0284308.

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Gait is a large component and indicator of health. Many factors affect gait including age, disease, and even mood disorders. Few studies have looked at the influence of emotional states on gait. This study aimed to investigate the influence of emotional states on walking performance to understand whether an emotional state may be an important factor to consider when evaluating gait. Thirty-six young adults were recruited (23F, 13M) and performed a neutral baseline condition of walking which included six passes of walking across an 8m walkway (a total of 48m of walking). Participants then compl

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Narain, A., J. H. Kurita, M. Kivisalu, et al. "Internal Condensing Flows inside a Vertical Pipe: Experimental/Computational Investigations of the Effects of Specified and Unspecified (Free) Conditions at Exit." Journal of Heat Transfer 129, no. 10 (2007): 1352–72. http://dx.doi.org/10.1115/1.2755063.

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Reported experimental and computational results confirm that both the flow features and heat-transfer rates inside a condenser depend on the specification of inlet, wall, and exit conditions. The results show that the commonly occurring condensing flows’ special sensitivity to changes in exit conditions (i.e., changes in exit pressure) arises from the ease with which these changes alter the vapor flow field in the interior. When, at a fixed steady mass flow rate, the exit pressure is changed from one steady value to another, the changes required of the interior vapor flow toward achieving a ne

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4

Nettleton, R. E. "Information theoretic extended entropy for steady heat condition." Journal of Physics A: Mathematical and General 21, no. 20 (1988): 3939–49. http://dx.doi.org/10.1088/0305-4470/21/20/013.

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Mok, Kwan Pui, Peng Zhou, Jiafan Hou, et al. "Performance of a windsurfing sail under steady condition." Ocean Engineering 289 (December 2023): 116295. http://dx.doi.org/10.1016/j.oceaneng.2023.116295.

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6

Fuady, Muhammad Syahrul, Abdul Rahman Nasution, Harifianda Oksya Putra, Muhammad Heru Akhmadi, and Fadlil Usman. "The influence of infrastructure expenditures from the Ministry of Public Works and Public Housing on the condition of national roads by province 2020-2021." Akuntansiku 3, no. 4 (2024): 270–87. https://doi.org/10.54957/akuntansiku.v3i4.1294.

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This research was conducted to determine the influence of the existing infrastructure budget at the Ministry of Public Works and Public Housing on the condition of national roads according to province during the 2020-2021 period. Model one uses a simple linear regression test to see the correlation and significance between stable road conditions and the infrastructure budget. Model two uses multiple linear regression tests with the Ordinary Least Square (OLS) method to see the correlation and significance between stable road conditions and infrastructure budgets, Activity Performance Indicator

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7

Chao, An-Chong, Hsing-Ya Li, Guo-Syong Chuang, and Pang-Yen Ho. "A Positive Real Eigenvalue Condition for the Determination of Unstable Steady States in Chemical Reaction Networks." Zeitschrift für Naturforschung A 63, no. 12 (2008): 778–90. http://dx.doi.org/10.1515/zna-2008-1205.

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The interesting dynamical behaviours exhibiting in chemical reaction systems, such as multiple steady states and undamped oscillations, often result from unstable steady states. A positive real eigenvalue condition is proposed which gives a necessary and sufficient condition for the determination of an unstable steady state having a positive real eigenvalue in general isothermal reaction networks. Formulas are developed to construct an unstable steady state and a set of positive rate constants. The applications are illustrated by three examples. Two give rise to oscillations and one admits mul

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Tesfa, B., R. Mishra, Feng Shou Gu, and Andrew Ball. "Condition Monitoring of CI Engine Running on Biodiesel Using Transient Process." Key Engineering Materials 413-414 (June 2009): 495–503. http://dx.doi.org/10.4028/www.scientific.net/kem.413-414.495.

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Various research groups across the globe have developed models for engine condition monitoring and fault diagnosis based on the data from steady state performance measurements over the last two decade. However, these performance data are not amenable for easy collection in some situations and some of the data may show little performance deviation at the steady state conditions of operation. The aim of this study is to identify engine operating conditions and parameters that can be used to develop a diagnostic tool for internal combustion (CI) engine running on biodiesel blends fuel. Ricardo Wa

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9

Rossen, William Richard, and Johannes Bruining. "Foam Displacements with Multiple Steady States." SPE Journal 12, no. 01 (2007): 5–18. http://dx.doi.org/10.2118/89397-pa.

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Summary A number of experimental and theoretical studies suggest that the fractional-flow function for foam can be either multivalued in water saturation or else can comprise distinct fractional-flow curves for two or more foam regimes, with jumps between them where each regime reaches its limiting condition. We construct fractional-flow solutions for these cases. When such a foam is employed in a surfactant-alternating-gas (SAG) process, the usual "tangency" condition is modified and the foam can be considerably weaker than the foam formed at what appears to be the point of tangency of the mu

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10

Heerikhuisen, Jacob, Eric J. Zirnstein, and Nikolai V. Pogorelov. "Simulating a Steady-state Heliosphere." Astrophysical Journal Supplement Series 276, no. 1 (2024): 13. https://doi.org/10.3847/1538-4365/ad927a.

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Abstract Ever since the discovery of the solar wind, it has been understood that our solar system resides within a bubble of solar wind plasma that originates from the Sun. Due to its vast size, the geometry of this bubble, known as the heliosphere, remains a topic of conjecture and debate. Three-dimensional simulations, employing magnetohydrodynamics coupled to neutral particles, provide a key way of understanding the global flow dynamics on macroscopic scales. While many of these models suggest a comet-like shape with a single heliotail for the heliosphere, others have suggested geometries w

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11

BARENBLATT, G. I., M. BERTSCH, and L. GIACOMELLI. "Steady and quasi-steady thin viscous flows near the edge of a solid surface." European Journal of Applied Mathematics 21, no. 3 (2010): 253–70. http://dx.doi.org/10.1017/s0956792510000124.

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A new approach is proposed for the description of thin viscous flows near the edges of a solid surface. For a steady flow, the lubrication approximation and the no-slip condition are assumed to be valid on most of the surface, except for relatively small neighbourhoods of the edges, where a universality principle is postulated: the behaviour of the liquid in these regions is universally determined by flux, external conditions and material properties. The resulting mathematical model is formulated as an ordinary differential equation involving the height of the liquid film and the flux as unkno

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12

Lauermann, Stephan, Georg Nöldeke, and Thomas Tröger. "The Balance Condition in Search‐and‐Matching Models." Econometrica 88, no. 2 (2020): 595–618. http://dx.doi.org/10.3982/ecta8356.

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Most of the literature that studies frictional search‐and‐matching models with heterogeneous agents and random search investigates steady state equilibria. Steady state equilibrium requires, in particular, that the flows of agents into and out of the population of unmatched agents balance. We investigate the structure of this balance condition, taking agents' matching behavior as given. Building on the “fundamental matching lemma” for quadratic search technologies in Shimer and Smith (2000), we establish existence, uniqueness, and comparative statics properties of the solution to the balance c

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13

Xia, Yinling, Jieyun Mao, Guidong Li, Danhua Zhao, Jinfeng Zhang, and Peng Wang. "Analysis of internal flow characteristics of a multistage pump during start-up." Journal of Physics: Conference Series 2707, no. 1 (2024): 012025. http://dx.doi.org/10.1088/1742-6596/2707/1/012025.

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Abstract In order to study the transient characteristics during the startup process of a multi-stage pump, the Flowmaster software was used to obtain the rotating speed and flow characteristic curves of the pump under different valve openings, and analyze its internal flow and structural characteristics based on numerical simulation. The study results indicate that the time required for the flow to reach a steady state lags significantly behind the time required for the rotational speed to reach a stable state during the initial stage of pump start-up. By comparing the pressure distributions o

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14

Zhao, Fu Zhou, Rong Liang, and Xiao Ping Chen. "Study on Steady Condition Control of Hybrid Turbocharging System." Advanced Materials Research 139-141 (October 2010): 1941–44. http://dx.doi.org/10.4028/www.scientific.net/amr.139-141.1941.

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This paper analyzes the principle of hybrid turbocharging system in a vehicle diesel engine, and proposes motor control model about hybrid turbocharging system in steady engine operation condition according to energy imbalance of the exhaust gas. The high-speed motor can work as a motor or a generator in this control model of different engine condition. Then mapping algorithms about n-dimensional linear interpolation and BP neural network are presented to solve steady condition control problem of the hybrid turbocharging system. Each algorithm is applied to map same sample data, the simulation

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Li, Z. W., and X. L. Yang. "Stability of 3D slope under steady unsaturated flow condition." Engineering Geology 242 (August 2018): 150–59. http://dx.doi.org/10.1016/j.enggeo.2018.06.004.

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16

Mao, X., H. M. Blackburn, and S. J. Sherwin. "Optimal inflow boundary condition perturbations in steady stenotic flow." Journal of Fluid Mechanics 705 (March 1, 2012): 306–21. http://dx.doi.org/10.1017/jfm.2012.58.

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AbstractWe determine optimal inflow boundary perturbations to steady flow through a straight inflexible tube with a smooth axisymmetric stenosis at a bulk-flow Reynolds number $\mathit{Re}= 400$, for which the flow is asymptotically stable. The perturbations computed produce an optimal gain, i.e. kinetic energy in the domain at a given time horizon normalized by a measure of time-integrated energy on the inflow boundary segment. We demonstrate that similarly to the optimal initial condition problem, the gain can be interpreted as the leading singular value of the forward linearized operator th

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17

PAGE, M. A., and E. R. JOHNSON. "Steady nonlinear diffusion-driven flow." Journal of Fluid Mechanics 629 (June 15, 2009): 299–309. http://dx.doi.org/10.1017/s002211200900679x.

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An imposed normal temperature gradient on a sloping surface in a viscous stratified fluid can generate a slow steady flow along a thin ‘buoyancy layer’ against that surface, and in a contained fluid the associated mass flux leads to a broader-scale ‘outer flow’. Previous analysis for small values of the Wunsch–Phillips parameter R is extended to the nonlinear case in a contained fluid, when the imposed temperature gradient is comparable with the background temperature gradient. As for the linear case, a compatibility condition relates the buoyancy-layer mass flux along each sloping boundary to

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18

LE ROUX, C. "STEADY STOKES FLOWS WITH THRESHOLD SLIP BOUNDARY CONDITIONS." Mathematical Models and Methods in Applied Sciences 15, no. 08 (2005): 1141–68. http://dx.doi.org/10.1142/s0218202505000686.

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We prove the existence, uniqueness and continuous dependence on the data of weak solutions to boundary-value problems that model steady flows of incompressible Newtonian fluids with wall slip in bounded domains. The flows satisfy the Stokes equations and a nonlinear slip boundary condition: for slip to occur, the magnitude of the tangential traction must exceed a prescribed threshold, which is independent of the normal stress, and where slip occurs the tangential traction is equal to a prescribed, possibly nonlinear, function of the slip velocity. In addition, a Dirichlet condition is imposed

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19

Garzanti, Eduardo, and Pietro Sternai. "Against steady state." Geologos 28, no. 2 (2022): 157–68. http://dx.doi.org/10.2478/logos-2022-0012.

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Abstract Nature is never at a steady state. Natural history is generated by ever-new and ever-interacting forces that produce continuous changes. At virtually all timescales, the geological record shows that these changes do not cancel each other out and, thus, that the steady state is utopic. However, we need a state of equilibrium as a starting point for modelling Nature, and the steady-state condition is widely used as a reference in idealisations aimed at understanding natural processes. The present contribution is meant as an epistemological note of caution − from Earth scientists to Eart

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20

Aw Lin, Chou, Fatimah Al-Zahrah Mohd Sa’at, Fadhilah Shikh Anuar, Mohamad Firdaus Sukri, Mohd Zaid Akop, and Zainuddin Abdul Manan. "Heat Transfer Across Tube Banks With a Passive Control Vortex Generator in Steady One-Directional and Oscillatory Flows." CFD Letters 13, no. 1 (2021): 1–18. http://dx.doi.org/10.37934/cfdl.13.1.118.

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Fluid can flow in one-directional (normal flow) or oscillatory conditions. Fluid flow in some energy system involved oscillatory flow condition. The use of vortex generator has been proven to improve heat transfer in the case of one-directional flow but the impact of vortex generator in oscillatory flow condition is yet unknown. This study focusses on the heat transfer performance across a heated tube banks using a Computational Fluid Dynamics (CFD) model. Two flow conditions were modelled: steady one-directional and oscillatory flow conditions. Two-dimensional CFD models of steady flow and os

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21

Sudi Mungkasi. "Modelling And Simulation of Topical Drug Diffusion in The Dermal Layer of Human Body." Journal of Advanced Research in Fluid Mechanics and Thermal Sciences 86, no. 2 (2021): 39–49. http://dx.doi.org/10.37934/arfmts.86.2.3949.

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We consider the problem of drug diffusion in the dermal layer of human body. Two existing mathematical models of the drug diffusion problem are recalled. We obtain that the existing models lead to inconsistent equations for the steady state condition. We also obtain that solutions to the existing models are unrealistic for some cases of the unsteady state condition, because negative drug concentrations occur due to the inappropriate assumption of the model. Therefore, in this paper, we propose a modified mathematical model, so that the model is consistent, and the solution is nonnegative for b

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22

Wang, Peng, Xingqi Luo, Jinling Lu, Jiawei Gao, and Qingsen Cai. "Influence of Tubular Turbine Runaway for Back Pressure Power Generation on the Stability of Circulating Cooling Water System." Water 14, no. 15 (2022): 2294. http://dx.doi.org/10.3390/w14152294.

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With the increasing maturity of tubular turbine power generation technology, an increasing number of industrial applications use it to recover the rich back pressure energy of a circulating cooling water system (CCWS). However, the influence of tubular turbine runaway on the stability of CCWS is still unclear. This work combines the one-dimensional (1D) method of characteristics (MOC) with the three-dimensional (3D) computational fluid dynamics (CFD), develops a 1D CCWS and 3D tubular turbine coupling simulation method, and simulates the runaway and runaway shutdown processes of tubular turbin

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23

Morinaga, Atsuo, and Shinya Yanagimachi. "Fringes and Light Shift in CPT-Ramsey Spectroscopy." Journal of Physics: Conference Series 2889, no. 1 (2024): 012043. http://dx.doi.org/10.1088/1742-6596/2889/1/012043.

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Abstract The CPT-Ramsey fringes are solved based on the time evolution of the Bloch vector and are calculated in the steady-state condition and in the pre-steady state condition. A consistent formula of the light shifts in the CPT-Ramsey fringes is presented due to the detection-time, the free evolution time, and the excitation-time. For a further reduction of the light shift, we propose to use the CPT-Ramsey fringes in the pre-steady state condition.

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Salilew, Waleligne Molla, Zainal Ambri Abdul Karim, Tamiru Alemu Lemma, Amare Desalegn Fentaye, and Konstantinos G. Kyprianidis. "Three Shaft Industrial Gas Turbine Transient Performance Analysis." Sensors 23, no. 4 (2023): 1767. http://dx.doi.org/10.3390/s23041767.

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The power demand from gas turbines in electrical grids is becoming more dynamic due to the rising demand for power generation from renewable energy sources. Therefore, including the transient data in the fault diagnostic process is important when the steady-state data are limited and if some component faults are more observable in the transient condition than in the steady-state condition. This study analyses the transient behaviour of a three-shaft industrial gas turbine engine in clean and degraded conditions with consideration of the secondary air system and variable inlet guide vane effect

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25

Pumo, D., F. Viola, and L. V. Noto. "Ecohydrology in Mediterranean areas: a numerical model to describe growing seasons out of phase with precipitations." Hydrology and Earth System Sciences 12, no. 1 (2008): 303–16. http://dx.doi.org/10.5194/hess-12-303-2008.

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Abstract. The probabilistic description of soil moisture dynamics is a relatively new topic in hydrology. The most common ecohydrological models start from a stochastic differential equation describing the soil water balance, where the unknown quantity, the soil moisture, depends both on spaces and time. Most of the solutions existing in literature are obtained in a probabilistic framework and under steady-state condition; even if this last condition allows the analytical handling of the problem, it has considerably simplified the same problem by subtracting generalities from it. The steady-st

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Waldon, Ke’Vaughn Tarrel, Angeloh Stout, Kaitlin Manning, Leslie Gray, David George Wilson, and Gu Eon Kang. "Dual-Task Interference Effects on Lower-Extremity Muscle Activities during Gait Initiation and Steady-State Gait among Healthy Young Individuals, Measured Using Wireless Electromyography Sensors." Sensors 23, no. 21 (2023): 8842. http://dx.doi.org/10.3390/s23218842.

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To maintain a healthy lifestyle, adults rely on their ability to walk while simultaneously managing multiple tasks that challenge their coordination. This study investigates the impact of cognitive dual tasks on lower-limb muscle activities in 21 healthy young adults during both gait initiation and steady-state gait. We utilized wireless electromyography sensors to measure muscle activities, along with a 3D motion capture system and force plates to detect the phases of gait initiation and steady-state gait. The participants were asked to walk at their self-selected pace, and we compared single

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27

Huang, Kai Sheng, Dong Liang Wang, Zhi Hua Lin, and Xiang Rui Zeng. "Engine Torque Estimation Based on BP Neural Network." Advanced Materials Research 403-408 (November 2011): 2848–51. http://dx.doi.org/10.4028/www.scientific.net/amr.403-408.2848.

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Engine torque estimation function is the base of engine torque control. This paper establishes the model for engine torque estimation respectively under steady condition and unsteady condition based on BP Neural network, and develops a new engine torque real-time estimation method. The experiment results under steady condition and unsteady condition show that the engine torque estimation model can estimate the engine output torque and the precision is remarkable.

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28

Raghunandana, John, and Kanthraj. "Stability of Journal Bearings Considering Slip Condition: A Non Linear Transient Analysis." Asian Journal of Engineering and Applied Technology 1, no. 2 (2012): 26–30. http://dx.doi.org/10.51983/ajeat-2012.1.2.2493.

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The no-slip boundary condition is the foundation of traditional lubrication theory. For most practical applications the no-slip boundary condition is a good model for predicting fluid behavior. However, recent experimental research has found that for special engineered surfaces the no-slip boundary condition is not applicable. In the present study the non linear transient analysis of an engineered slip/no-slip surface on journal bearing performance is examined. Numerical Analysis is carried out by solving the modified Reynolds equation satisfying the boundary conditions using successive over r

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Sarswat, Meenakshi, and Lokesh Varshney. "An Identification of Magnetizing Current Phenomenon in Steady State Condition." International Journal of Engineering and Advanced Technology 10, no. 5 (2021): 151–53. http://dx.doi.org/10.35940/ijeat.e2604.0610521.

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This document is basically based on the magnetizing current phenomenon of transformer. In this paper we will see how the magnetizing current behave when the core material has linear and non-linear characteristics.

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30

Castiglioni, Paolo, and Marco Di Rienzo. "How to check steady-state condition from cardiovascular time series." Physiological Measurement 25, no. 4 (2004): 985–96. http://dx.doi.org/10.1088/0967-3334/25/4/016.

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31

Zhang, Xiaoqian, Zheng Yan, and Qi Guo. "Study on Microscopic Mechanism of Electrokinetic Coupling under Steady Condition." IOP Conference Series: Materials Science and Engineering 677 (December 10, 2019): 052046. http://dx.doi.org/10.1088/1757-899x/677/5/052046.

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Hu, Qin, Gaohui He, Lichun Shu, et al. "Minimum steady corona inception voltage calculation method under rain condition." IET Generation, Transmission & Distribution 12, no. 8 (2018): 1783–89. http://dx.doi.org/10.1049/iet-gtd.2017.0590.

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33

Cavalcanti, S., P. Bolelli, and E. Belardinelli. "Pressure Drops Through Arterial Stenosis Models in Steady Flow Condition." Journal of Biomechanical Engineering 114, no. 3 (1992): 416–18. http://dx.doi.org/10.1115/1.2891404.

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Measures of pressure drops were made in two different plexiglass models of axial-symmetric arterial stenoses. The stenosis models had the same are reduction (86 percent) but were of different length so as to have a different tapering degree. Pressures were measured in steady flow condition at three equidistant points of the stenosis: upstream, in the middle, and downstream. Results indicate that: the upstream-middle pressure drop is independent of tapering degree but is highly influenced by area reduction; moreover it is much greater than the middle-downstream drop. The upstream-middle pressur

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34

Takeda, Akihide, and Nobuaki Ikuta. "Spatially Resolved Electron Swarm Behavior in Steady State Townsend Condition." Journal of the Physical Society of Japan 70, no. 3 (2001): 678–88. http://dx.doi.org/10.1143/jpsj.70.678.

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35

Igari, Toshihide, Katsuya Setoguchi, and Shinichi Nomura. "Simplified creep analysis of perforated plates under steady creep condition." Nuclear Engineering and Design 97, no. 2 (1986): 161–66. http://dx.doi.org/10.1016/0029-5493(86)90105-6.

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36

Guo, Lianggang, and He Yang. "Towards a steady forming condition for radial–axial ring rolling." International Journal of Mechanical Sciences 53, no. 4 (2011): 286–99. http://dx.doi.org/10.1016/j.ijmecsci.2011.01.010.

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Madžar, Dominik, Christian Maihöfner, Rüdiger Zimmermann, Stefan Schwab, Johannes Kornhuber, and Piotr Lewczuk. "Cerebrospinal fluid under non-steady state condition caused by plasmapheresis." Journal of Neural Transmission 118, no. 2 (2010): 219–22. http://dx.doi.org/10.1007/s00702-010-0519-z.

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Meenakshi, Sarswat, and Varshney Lokesh. "An Identification of Magnetizing Current Phenomenon in Steady State Condition." International Journal of Engineering and Advanced Technology (IJEAT) 10, no. 5 (2021): 151–53. https://doi.org/10.35940/ijeat.E2604.0610521.

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This document is basically based on the magnetizing current phenomenon of transformer. In this paper we will see how the magnetizing current behave when the core material has linear and non-linear characteristics.

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39

Schuster, Stefan, and Ronny Schuster. "A generalization of Wegscheider's condition. Implications for properties of steady states and for quasi-steady-state approximation." Journal of Mathematical Chemistry 3, no. 1 (1989): 25–42. http://dx.doi.org/10.1007/bf01171883.

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PAGE, M. A., and E. R. JOHNSON. "On steady linear diffusion-driven flow." Journal of Fluid Mechanics 606 (July 10, 2008): 433–43. http://dx.doi.org/10.1017/s002211200800178x.

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Wunsch (1970) and Phillips (1970) (Deep-Sea Res. vol. 17, pp. 293, 435) showed that a temperature flux condition on a sloping non-slip surface in a stratified fluid can generate a slow steady upward flow along a thin ‘buoyancy layer’. Their analysis is extended here to the more-general case of steady flow in a contained fluid where buoyancy layers may expel or entrain fluid from their outer edge. A compatibility condition that relates the mass flux and temperature gradient along that edge is derived, and this allows the fluid recirculation and temperature perturbation to be determined in the b

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41

Luo, Hong. "Steady State Solution to Atmospheric Circulation Equations with Humidity Effect." Journal of Applied Mathematics 2012 (2012): 1–18. http://dx.doi.org/10.1155/2012/867310.

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The steady state solution to atmospheric circulation equations with humidity effect is studied. A sufficient condition of existence of steady state solution to atmospheric circulation equations is obtained, and regularity of steady state solution is verified.

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42

Li, Hsing-Ya. "Zero Eigenvalue Analysis for the Determination of Multiple Steady States in Reaction Networks." Zeitschrift für Naturforschung A 53, no. 3-4 (1998): 171–77. http://dx.doi.org/10.1515/zna-1998-3-411.

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Abstract A chemical reaction network can admit multiple positive steady states if and only if there exists a positive steady state having a zero eigenvalue with its eigenvector in the stoichiometric subspace. A zero eigenvalue analysis is proposed which provides a necessary and sufficient condition to determine the possibility of the existence of such a steady state. The condition forms a system of inequalities and equations. If a set of solutions for the system is found, then the network under study is able to admit multiple positive steady states for some positive rate constants. Otherwise,

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Sharma, Deepakkumar M., and Kamal Poddar. "Investigations on Quasi-Steady Characteristics for an Airfoil Oscillating at Low Reduced Frequencies." International Journal of Aerospace Engineering 2010 (2010): 1–11. http://dx.doi.org/10.1155/2010/940528.

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Wind tunnel experiments were conducted on NACA-0015 airfoil model to investigate the effect of the reduced frequency (κ=0.0001to 0.5) and that Reynolds number (Re=0.2E06to 0.7E06) on the aerodynamic characteristics and hysteresis behavior associated with the oscillating motion of the airfoil. Pressure measurements were conducted on the midspan of the airfoil for quantitative results. Although dynamic stall study has been conducted to greater extent of reduced frequencies, for current work, emphasis is made on investigating the low reduced frequency regimes up to which the steady conditions pre

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Benhabib, Jess, and Bálint Szoőke. "Optimal Positive Capital Taxes at Interior Steady States." American Economic Journal: Macroeconomics 13, no. 1 (2021): 114–50. http://dx.doi.org/10.1257/mac.20180191.

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We generalize recent results of Bassetto and Benhabib (2006) and Straub and Werning (2019) in a neoclassical model with endogenous labor-leisure choice where all agents are allowed to save and accumulate capital. We provide a sufficient condition under which optimal redistributive capital taxes remain at their allowed upper bound forever, even if the resulting equilibrium trajectory converges to a unique steady state with positive and finite consumption, capital, and labor. We then provide an interpretation of our sufficient condition. Using recent evidence on wealth distribution in the United

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Li, Y., S. Zuo, X. Duan, X. Guo, and C. Jiang. "Theory analysis of the steady-state surface temperature on rolling tire." Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science 226, no. 5 (2011): 1278–89. http://dx.doi.org/10.1177/0954406211422000.

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The mechanisms of heat generation and heat dissipation of tire are first discussed, and the heat generation capacity and the heat dissipation capacity per unit time are obtained through the analysis of both tire contact pressure distribution and heat dissipation method. Then,according to heat balance condition of tire, the theory model of the steady-state surface temperature of tire is established based on tire temperature field tests. Finally, the effects of speed, load, and tire pressure on the steady-state surface temperature of tire are analysed. The results show that the established model

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Mashoshin, O. F., and I. G. Kharmats. "Application of the method of insignificant divergences to diagnose the technical aircraft gas turbine engine state under the transient-state conditions of its operation." Civil Aviation High Technologies 26, no. 5 (2023): 81–95. http://dx.doi.org/10.26467/2079-0619-2023-26-5-81-95.

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The article deals with issues related to the use of parametric information of the transient-state gas turbine engines (GTE) operation conditions for diagnosing their technical condition during the operation. A review of general approaches to computational algorithms for the recognition and classification of the condition applicable to aircraft GTE has been carried out. The significance of analytical models in modern algorithms for assessing the technical GTE condition is emphasized. The construction of a linearized mathematical model for the transient-state condition of the generalized-scheme

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Abidat, M., M. Hachemi, M. K. Hamidou, and N. C. Baines. "Prediction of the steady and non-steady flow performance of a highly loaded mixed flow turbine." Proceedings of the Institution of Mechanical Engineers, Part A: Journal of Power and Energy 212, no. 3 (1998): 173–84. http://dx.doi.org/10.1243/0957650981536844.

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This paper describes a method for predicting the performance under both turbine inlet steady state and non-steady state flow conditions of a mixed flow turbine used for turbocharged internal combustion engines. The mixed flow turbine steady state performances computed with the steady state performance prediction method are in good agreement with the experimental results obtained in the Imperial College turbocompressor cold air test rig. The unsteady state performance is computed using a one-dimensional model based on the solution of the unsteady one-dimensional flow equations. These equations

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DAVIES, CHRISTOPHER J., DAVID GUBBINS, and PETER K. JIMACK. "Convection in a rapidly rotating spherical shell with an imposed laterally varying thermal boundary condition." Journal of Fluid Mechanics 641 (December 10, 2009): 335–58. http://dx.doi.org/10.1017/s0022112009991583.

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We investigate thermally driven convection in a rotating spherical shell subject to inhomogeneous heating on the outer boundary, extending previous results to more rapid rotation rates and larger amplitudes of the boundary heating. The analysis explores the conditions under which steady flows can be obtained, and the stability of these solutions, for two boundary heating modes: first, when the scale of the boundary heating corresponds to the most unstable mode of the homogeneous problem; second, when the scale is larger. In the former case stable steady solutions exhibit a two-layer flow patte

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Lee-Young, J. S., and J. F. A. Sleath. "INITIAL MOTION IN COMBINED WAVE AND CURRENT FLOWS." Coastal Engineering Proceedings 1, no. 21 (1988): 85. http://dx.doi.org/10.9753/icce.v21.85.

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Measurements are presented of the conditions for the initial motion of sediment under combined steady and oscillatory flow. The measurements were made in a steady flow flume with an oscillating tray set into its bed. The direction of oscillation of the tray was at right angles to the axis of the steady flow flume. Four different grades of sand were tested. It is found that the critical condition for the initiation of motion is reasonably represented by a critical value of the vector sum of the component shear stresses assuming no nonlinear interaction between the steady and oscillatory flows.

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Murat, Murat. "On the Stability Analysis of the Fisher Equation Based on Some Numerical Galerkin Techniques." Neutrosophic and Information Fusion 3, no. 2 (2024): 18–24. http://dx.doi.org/10.54216/nif.030203.

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We studied the stability of the steady state solutions for Fisher Equation in two cases, the First one with constant amplitude and we show that the steady state solution u1=1 is always stable under any condition, but the other two solutions u1=0 and u1 (x)=A cos (nπX)are conditionally stable. In the Second case, we studied the steady state solutions for various amplitude by using two Methods. The First is analytically by direct Method and the second is numerical method using Galerkin technique which shows the same results, that is the steady state solution u1=1 is always stable under any condi

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