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Journal articles on the topic 'VARING LOAD CONDITIONS'

Author: Grafiati

Published: 11 September 2023

Last updated: 31 July 2025

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1

Lee. "Analysis of segment lining cracking load considering axial force by varying boundary condition." Journal of Korean Tunnelling and Underground Space Association 16, no. 2 (2014): 173. http://dx.doi.org/10.9711/ktaj.2014.16.2.173.

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2

Kumar, Munish. "Vibration Analysis of Bridge Structures Under Varying Load Conditions." International Journal of Research in Modern Engineering & Emerging Technology 10, no. 3 (2022): 25–32. https://doi.org/10.63345/ijrmeet.org.v10.i3.4.

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This study explores the vibration characteristics of bridge structures subjected to varying load conditions. Understanding the dynamic behavior of bridges is essential for their design, maintenance, and safety management. The research analyzes the vibrational response of bridge structures under static and dynamic loads, with particular attention to the effect of load variations on the natural frequencies and damping ratios. A combination of theoretical analysis, computational methods, and simulation research is employed to assess the vibrational modes and evaluate the structural integrity of b

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Palmer, Kyle D., Mark A. Severy, Charles E. Chamberlin, Anthony J. Eggink, and Arne E. Jacobson. "Performance Analysis of a Biomass Gasifier Genset at Varying Operating Conditions." Applied Engineering in Agriculture 34, no. 1 (2018): 135–43. http://dx.doi.org/10.13031/aea.12414.

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Abstract. An All Power Labs PP20 gasifier generation set (Berkeley, Calif.) was tested to evaluate its suitability for powering biomass conversion technologies (BCT) at remote forest operations sites. Feedstock of the species tanoak (), coast redwood (), and Douglas fir () were tested at moisture contents of 15% and 25% (wet basis). The PP20 was connected to a load bank with five different load profiles designed to simulate possible BCT loads. Two parameters of power quality, voltage variability, and frequency deviation, were determined to be within acceptable limits. The unit also successfull

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Raju, P. "Compression Ignition Engine Under Varying Load Conditions." Journal of Research and Review in Fluid Mechanics 1, no. 1 (2025): 27–30. https://doi.org/10.5281/zenodo.15260502.

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<em>Compression Ignition (CI) engines are widely used due to their superior fuel efficiency and high torque characteristics. This study presents a systematic evaluation of the performance and emission characteristics of a single-cylinder four-stroke CI engine operated on standard diesel fuel. The engine was tested at a constant speed with varying loads using a rope brake dynamometer. Key performance indicators such as brake thermal efficiency (BTE), brake specific fuel consumption (BSFC), and exhaust gas temperature were measured, alongside emissions including carbon monoxide (CO), hydrocarbon

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Rituraj Jalan. "Critical Analysis of Active Filter for Harmonic Reduction under Varying Load." Journal of Electrical Systems 20, no. 6s (2024): 982–93. http://dx.doi.org/10.52783/jes.2801.

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In this paper, we give the main focus on the proliferation of non-linear loads in power systems, the mitigation of harmonics has become a critical concern to ensure stable and efficient operation. This study presents an analysis of an advanced control active filter (ACAF) designed for harmonic reduction under varying load conditions. The ACAF is a sophisticated solution that employs advanced control algorithms to effectively suppress harmonics and maintain power quality. The research investigates the performance of the ACAF under varying load conditions, which represent real-world scenarios wh

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Haq, Azhar Ul, Attique Ur Rehman, Maryam Jalal, and Ihsan Ullah Khalil. "Analyzing the Residential Electricity Consumption Under Varying Seasonal and Weather Conditions." Financial Engineering 2 (October 8, 2024): 220–26. http://dx.doi.org/10.37394/232032.2024.2.20.

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This article analyses the effects of seasonal variations and weather effects on the electricity consumption of residential consumers. To optimize energy usage, precise load profile forecasts are critical, and Demand Side Management (DSM) is a key strategy. DSM reduces the cost of energy acquisition and the associated penalties by continuously monitoring energy use and managing appliance schedules. The proposed approach utilizes DSM-assisted agent-based modeling to anticipate electricity usage patterns for 300 households. It also models inductive and non-inductive loads separately and selects s

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Rittmann, Bruce E. "The Effect of Load Fluctuations on the Effluent Concentration Produced by Fixed-Film Reactors." Water Science and Technology 17, no. 2-3 (1985): 45–52. http://dx.doi.org/10.2166/wst.1985.0118.

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Although time-varying loads to biological treatment processes are common, typical kinetic models are based on steady-state loads and conditions. This paper uses nonsteady-state kinetics to demonstrate the impact of load variations on the effluent concentration and load from fixed-bed biofilm reactors. The different responses for reactors having average loads that are high, intermediate, and low are compared. In most cases, time-varying input loading, in comparison with steady input loading, causes an increase in average effluent concentration; however, certain combinations of load variation an

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Soesanto, Edy, Dicky Muslim, Evie Hadrijantie Sudjono, and Cipta Endyana. "OFFSHORE SEABED PILE FOUNDATION ANALYSIS: SOIL-PILE INTERACTION AND LOAD CONDITIONS, AND DESIGN RECOMMENDATIONS." Rudarsko-geološko-naftni zbornik 40, no. 2 (2025): 27–42. https://doi.org/10.17794/rgn.2025.2.3.

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Offshore pile foundations are essential for supporting structures, such as wind turbines, oil platforms, and bridges. Important factors influencing soil-pile interactions and assessing the impact of various environmental loads, including axial, lateral, and moment loads. This study begins with a comprehensive review of the analytical and numerical methods used for pile analysis. This research aims to analyze the behavior of piles in the offshore seabed environment, taking into account various factors, such as soil-pile interactions, environmental load conditions, and the design of a sturdy pil

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Mammadov, Khalig, Tahir Suleymanov, and Suleyman Efendi. "Evaluation of Wear Mechanisms in Sucker Rod Pumps Under Varying Load and Lubrication Conditions." Tribology in Industry 47, no. 2 (2025): 333–41. https://doi.org/10.24874/ti.1916.03.25.05.

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The durability and efficiency of sucker rod pumps (SRPs) in oil and gas extraction are significantly affected by wear and fatigue phenomena, particularly under high-load and extreme environmental conditions. This study examines the tribological behavior of SRP materials through pin-on-disk wear testing, assessing the impact of load variations, lubrication types, and material composition on specific wear rate and coefficient of friction (CoF). Experiments were conducted on AISI 4140 alloy steel, tungsten carbide-coated rods, and polymer-based materials, subjected to dry, crude oil-based, and sy

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10

Zeng, Zhiping, Guanghui Hu, Xiangdong Huang, et al. "Statics performance of heavy-haul railway low-vibration track (LVT) under varying loading condition with the finite element method." Science Progress 104, no. 4 (2021): 003685042110363. http://dx.doi.org/10.1177/00368504211036330.

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Low-Vibration Tracks (LVTs) are widely used in subway tunnels for their excellent performance, but the application in heavy-duty railways still requires a lot of feasibility studies. In this study, the statics performance of LVT under different axle loads, load direction, and load position is explored using the finite element software Abaqus. The Timoshenk beam element and nonlinear spring element 3D solid element are used to represent rails, fasteners, and the other track structure respectively. The paper established the finite element model of LVT to study the mechanical characteristics of l

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11

Sato, J. A., F. J. Vecchio, and H. M. Andre. "Scale-model testing of reinforced concrete under impact loading conditions." Canadian Journal of Civil Engineering 16, no. 4 (1989): 459–66. http://dx.doi.org/10.1139/l89-075.

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Aspects of scaling theory relating to the response of reinforced concrete structures under impact load conditions are reviewed. Details for modelling concrete and reinforcement, to be consistent with similitude requirements, are also discussed. A test program is described in which models of varying size were constructed, drop tested, and compared with prototype response. An analysis of the test data is made, indicating that, within certain limitations, the predictions of scaling theory are applicable to reinforced concrete subjected to extreme impact loads. Key words: cracking, impact, loads,

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12

Arseneau, R. "The performance of demand meters under varying load conditions." IEEE Transactions on Power Delivery 8, no. 4 (1993): 1708–11. http://dx.doi.org/10.1109/61.248277.

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13

Mullings, Hannah, and Tim Stallard. "Impact of spatially varying flow conditions on the prediction of fatigue loads of a tidal turbine." International Marine Energy Journal 5, no. 1 (2022): 103–11. http://dx.doi.org/10.36688/imej.5.103-111.

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Site development for tidal turbines relies upon a good understanding of the onset flow conditions, with disk averaged velocity typically used as a reference to define turbine power and mean loading. This work investigates the variation of onset flow conditions which occur for the same disk averaged velocity. Analysis builds upon data previously acquired during the measurement campaign conducted for the ReDAPT project using bed mounted ADCPs \cite{Sellar2018}. These measurements define the turbulence characteristics and vertical shear profiles over the rotor plane which are incorporated into an

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Antoniadou, I., G. Manson, W. J. Staszewski, T. Barszcz, and K. Worden. "A time–frequency analysis approach for condition monitoring of a wind turbine gearbox under varying load conditions." Mechanical Systems and Signal Processing 64-65 (December 2015): 188–216. http://dx.doi.org/10.1016/j.ymssp.2015.03.003.

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15

Feiyan Fan, Feiyan Fan, Jiazhen Hou Feiyan Fan, and Tanghuai Fan Jiazhen Hou. "Fault Diagnosis under Varying Working Conditions with Domain Adversarial Capsule Networks." 電腦學刊 33, no. 3 (2022): 135–46. http://dx.doi.org/10.53106/199115992022063303011.

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<p>Most existing studies that develop fault diagnosis methods focus on performance under steady operation while overlooking adaptability under varying working conditions. This results in the low generalization of the fault diagnosis methods. In this study, a novel deep transfer learning architecture is proposed for fault diagnosis under varying working conditions. A modified capsule network is developed by combining the domain adversarial framework and classical capsule network to simultaneously recognize the machinery fault and working conditions. The novelty of the proposed architectur

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Pichler, Kurt, Edwin Lughofer, Markus Pichler, Thomas Buchegger, Erich Peter Klement, and Matthias Huschenbett. "Fault detection in reciprocating compressor valves under varying load conditions." Mechanical Systems and Signal Processing 70-71 (March 2016): 104–19. http://dx.doi.org/10.1016/j.ymssp.2015.09.005.

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Hailu, Engidaw Abel, George Nyauma Nyakoe, and Christopher Maina Muriithi. "Application of Data-Driven Tuned Fuzzy Inference System for Static Equivalencing of Power Systems with High Penetration of Renewable Energy." Journal of Electrical and Computer Engineering 2022 (September 23, 2022): 1–19. http://dx.doi.org/10.1155/2022/2971960.

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To reduce the complexity of multiarea power systems during power flow study and security assessment, equivalencing of external power systems is essential. In this paper, external power systems are modeled as adaptive loads representing the tie-line flows varying with system operating conditions. The fuzzy inference system tuned by hybrid genetic-simulated annealing (HGSA-FIS) is proposed to predict the active and reactive power of adaptive loads from forecasted renewable energy (RE) generation and loads demand. The performance of proposed equivalent has been evaluated with an RTS-GMLC by compa

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Kennedy, Okokpujie, Emmanuel Chukwu, Olamilekan Shobayo, Etinosa Noma-Osaghae, Imhade Okokpujie, and Modupe Odusami. "Comparative analysis of the performance of various active queue management techniques to varying wireless network conditions." International Journal of Electrical and Computer Engineering (IJECE) 9, no. 1 (2019): 359–68. https://doi.org/10.11591/ijece.v9i1.pp359-368.

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This paper demonstrates the robustness of active queue management techniques to varying load, link capacity and propagation delay in a wireless environment. The performances of four standard controllers used in Transmission Control Protocol/Active Queue Management (TCP/AQM) systems were compared. The active queue management controllers were the Fixed-Parameter Proportional Integral (PI), Random Early Detection (RED), Self-Tuning Regulator (STR) and the Model Predictive Control (MPC). The robustness of the congestion control algorithm of each technique was documented by simulating the varying c

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19

Jing, Zhibo, Hong Han, Jianda Han, and Juanjuan Zhang. "Effect of Vest Load Carriage on Cardiometabolic Responses with Load Position, Load Mass, and Walking Conditions for Young Adults." Bioengineering 12, no. 2 (2025): 202. https://doi.org/10.3390/bioengineering12020202.

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Carrying external loads, such as vest-borne systems, is common in occupations like firefighting and military service, yet the physiological impacts of load placement, mass, and walking conditions remain not fully understood. This study examined the effects of vest load carriage on metabolic rate and heart rate. Participants underwent three trials with varying load placements, masses (0–30 kg), and walking conditions (different speeds and inclines). Results showed no significant effect of load placement on metabolic and heart rates with a 10 kg vest load. When walking with a vest load at a spee

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Pinarbasi, Seval, Fuad Okay, Erkan Akpinar, and Hakan Erdogan. "Stability Analysis of Two-Segment Stepped Columns with Different End Conditions and Internal Axial Loads." Mathematical Problems in Engineering 2013 (2013): 1–9. http://dx.doi.org/10.1155/2013/858906.

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Members with varying geometrical and/or material properties are commonly used in many engineering applications. Stepped columns with internal axial loads constitute a special case of such nonuniform columns. Crane columns in industrial buildings or structural columns supporting intermediate floors are important applications of stepped members in civil engineering. Since neither axial load nor stiffness is constant along the column height, the stability analysis of a stepped column is usually more complicated than that of a uniform column. Determination of exact buckling loads for stepped colum

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Patel, G., and A. N. Nayak. "Dynamic Instability Characteristics of Spherical Panels Subjected to linearly varying In-plane Loading." Proceedings of the 12th Structural Engineering Convention, SEC 2022: Themes 1-2 1, no. 1 (2022): 1051–56. http://dx.doi.org/10.38208/acp.v1.619.

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The present paper reports the parametric instability phenomenon of spherical shell panels under linearly varying harmonic load employing finite element technique. An isoparametric curved element with eight nodes is considered in the formulation.. The sanders’ theory is used to model the spherical panel incorporating the properties of transverse shear and rotary inertia. A computer programme is created based on the formulation to carry out all essential calculations.The correctness of the formulation is established by comparing with results available in the literature.The impact of different pa

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22

Afonaa-Mensah, Stephen, Qian Wang, and Benjamin B. Uzoejinwa. "Investigation of Daytime Peak Loads to Improve the Power Generation Costs of Solar-Integrated Power Systems." International Journal of Photoenergy 2019 (November 11, 2019): 1–12. http://dx.doi.org/10.1155/2019/5986874.

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Improving daytime loads can mitigate some of the challenges posed by solar variations in solar-integrated power systems. Thus, this simulation study investigated the different levels of daytime peak loads under varying solar penetration conditions in solar-integrated power systems to improve power generation cost performance based on different load profiles and to mitigate the challenges encountered due to solar variation. The daytime peak loads during solar photovoltaic generation hours were determined by measuring the solar load correlation coefficients between each load profile and the sola

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Østergaard, Kasper Zinck, Jakob Stoustrup, and Per Brath. "Linear parameter varying control of wind turbines covering both partial load and full load conditions." International Journal of Robust and Nonlinear Control 19, no. 1 (2009): 92–116. http://dx.doi.org/10.1002/rnc.1340.

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24

Soleymanipoor, Alireza, and Tomoyoshi Maeno. "Effect of Pulsating Motion Conditions on Relubrication Behavior and Dimensions of Laterally Extruded Internal Gears." Journal of Manufacturing and Materials Processing 9, no. 6 (2025): 190. https://doi.org/10.3390/jmmp9060190.

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An environmentally friendly alternative to phosphate-based lubrication was studied through the lateral cold extrusion forging of internal gears using pulsating motion. A die set with a removable punch enabled a detailed observation of relubrication, forming load, material flow, and gear geometry. Pulsating motion with liquid lubricant significantly reduced the forming load during punch penetration, while no such effect was observed under dry conditions. Even when the number of pulses (n) was set to 1, relubrication occurred, and a comparable load reduction to that of n = 3 was achieved, shorte

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Ramasamy, Saravanakumar, Koperundevi Ganesan, and Venkadesan Arunachalam. "Power Flow Parameter Estimation in Power System Using Machine Learning Techniques Under Varying Load Conditions." International Journal of Electrical and Electronics Research 10, no. 4 (2022): 1299–305. http://dx.doi.org/10.37391/ijeer.100484.

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In power transmission network state estimation is more complex and the measurements are critical in nature. Estimation of power flow parameters such as voltage magnitude and phasor angle in a power system is challenging when the loads are varying. The objective of the work is to estimate the voltage magnitude and phase angle using machine learning techniques. Some of the Machine learning techniques are decision trees (DT), support vector machines (SVM), ensemble boost (E-Boost), ensemble bags (E-bag), and artificial neural networks (ANN) are proposed in this work. Among these methods, the best

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Patel, G., A. N. Nayak, and A. K. L. Srivastava. "Dynamic Instability Analysis and Design Charts of Curved Panels with Linearly Varying Periodic In-Plane Load." International Journal of Structural Stability and Dynamics 21, no. 09 (2021): 2150130. http://dx.doi.org/10.1142/s0219455421501303.

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The present paper reports an extensive study on dynamic instability characteristics of curved panels under linearly varying in-plane periodic loading employing finite element formulation with a quadratic isoparametric eight nodded element. At first, the influences of three types of linearly varying in-plane periodic edge loads (triangular, trapezoidal and uniform loads), three types of curved panels (cylindrical, spherical and hyperbolic) and six boundary conditions on excitation frequency and instability region are investigated. Further, the effects of varied parameters, such as shallowness p

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Saeed, Hazim Y., Rashi Khubnani, Poornima Ediga, Manish Gupta, Rajeev Kumar, and Ravi Kalra. "Buckling Analysis of Vertical Structures: A Comprehensive Finite Element Study." E3S Web of Conferences 507 (2024): 01055. http://dx.doi.org/10.1051/e3sconf/202450701055.

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Buckling analysis of a vertical structures is crucial in structural design for various loads, and simultaneously, reducing the long structures mass is essential for minimizing weight and cost. This study involves the analysis of long structures with rectangular and circular cross-sections under compressive loads, calculating the buckling load multiplier. Additionally, hollow rectangular and hollow circular columns are designed and analyzed under the same load and boundary conditions as the solid counterparts. By varying the hollowness of the rectangular and circular columns, the buckling load

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Bartelmus, W., and R. Zimroz. "Vibration condition monitoring of planetary gearbox under varying external load." Mechanical Systems and Signal Processing 23, no. 1 (2009): 246–57. http://dx.doi.org/10.1016/j.ymssp.2008.03.016.

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Kumar, Dileep, Sanaullah Mehran, Muhammad Zakir Shaikh, Majid Hussain, Bhawani Shankar Chowdhry, and Tanweer Hussain. "Triaxial bearing vibration dataset of induction motor under varying load conditions." Data in Brief 42 (June 2022): 108315. http://dx.doi.org/10.1016/j.dib.2022.108315.

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Venner, C. H., and Y. H. Wijnant. "Validation of EHL Contact Predictions under Time Varying Load." Proceedings of the Institution of Mechanical Engineers, Part J: Journal of Engineering Tribology 219, no. 4 (2005): 249–61. http://dx.doi.org/10.1243/135065005x33865.

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In this paper, it is investigated how accurately current models predict the response of an elasto-hydrodynamically lubricated contact to time varying load conditions. For two patterns of time varying load, under conditions of pure rolling, the results obtained experimentally on a ball on disk interferometry apparatus by Sakamoto et al. (Behaviour of point contact EHL films under pulsating loads. Proceedings of the 30th Leeds-Lyon Symposium on Tribology, Elseviers Tribology Series, Vol. 43, pp. 391-399) are compared with the results of numerical simulations using the dynamic contact model of Wi

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Ali Bardan, Hussein, and Amer Mejbel Ali. "Torque Analysis of Switched Reluctance Motor Under Different Loading Conditions." Journal of Engineering and Sustainable Development 29, no. 2 (2025): 219–25. https://doi.org/10.31272/jeasd.1941.

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This paper introduces torque analysis of a 4-phase, 8/6 poles, 550W, switched Reluctance motor. In this regard, the influence of varying loads on torque performance is introduced. For the modeling and analysis of this motor's torque, RMXprt (an analytical software) was used in conjunction with Maxwell2D (a finite element method). Because the rotor and stator pole are salient, singly excited, and have nonlinear magnetic characteristics, which creates torque ripple in the motor and complicates analytical procedures. Motor results obtained, such as estimated starting torque, output torque versus

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Liu, Yunhai, Lei Chen, Bin Zhang, et al. "Key Role of Transfer Layer in Load Dependence of Friction on Hydrogenated Diamond-Like Carbon Films in Humid Air and Vacuum." Materials 12, no. 9 (2019): 1550. http://dx.doi.org/10.3390/ma12091550.

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The friction of hydrogenated diamond-like carbon (H-DLC) films was evaluated under the controlled environments of humid air and vacuum by varying the applied load. In humid air, there is a threshold applied load below which no obvious friction drop occurs and above which the friction decreases to a relatively low level following the running-in process. By contrast, superlubricity can be realized at low applied loads but easily fails at high applied loads under vacuum conditions. Further analysis indicates that the graphitization of the sliding H-DLC surface has a negligible contribution to the

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Qian, Xia Yi, Chen Bo Yin, and Feng Ma. "Methods for Determining the Dynamic Load of the Shipbuilding Gantry Crane." Advanced Materials Research 605-607 (December 2012): 1288–94. http://dx.doi.org/10.4028/www.scientific.net/amr.605-607.1288.

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Aim at the difficulty in determining the dynamic load , dynamic problems were analyzed, including three mechanisms of the shipbuilding gantry crane of lifting、trolley running and cart running under the joint starting and braking by adopting the method for determining the dynamic load based on the vibration theory and the one for determining the dynamic load based on the virtual prototype.Dynamic models and virtual prototype model were established and the time-varying dynamic loads of mechanisms were determined under typical working conditions. The maximum dynamic load obtained provides a refer

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Shubham, Pandey, Sachan A.K., Rawat Anupam, and Singh Saurabh. "Optimum Pavement Thickness for Rigid Pavement in UP Eastern Region." International Journal of Engineering and Advanced Technology (IJEAT) 10, no. 5 (2021): 173–81. https://doi.org/10.35940/ijeat.E2738.0610521.

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Highways are important in the growth of the economy of the nation. Pavement distributes and reduces the loads to the subgrade so as not to destruct the pavement foundation and subgrade. Thermal stresses are more vulnerable and to be included as the ability to contract and expand concrete is very less. The roads provide vehicle access to various points in all weather conditions and provide road users with a clean, smooth, and comfortable ride without unnecessary delay or excessive wear and tear. Since the UP eastern region faces tremendous temperature differences, load variations, and moisture

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Ding, Fangfang, and Zhigang Tian. "Integrated Prognosis for Wind Turbine Gearbox Condition-Based Maintenance Considering Time-Varying Load and Crack Initiation Time Uncertainty." International Journal of Reliability, Quality and Safety Engineering 28, no. 04 (2021): 2150024. http://dx.doi.org/10.1142/s0218539321500248.

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Maintenance management in wind energy industry has great impact on the overall wind power cost. Maintenance services are either supported by wind turbine manufacturers within warranty period, or managed by wind farm owners. With condition-based maintenance (CBM) strategy, maintenance activities are scheduled based on the predicted health conditions of wind turbine components, and accurate prognostics methods are critical for effective CBM. The reported studies on integrated health prognostics considered the uncertainty in crack initiation time (CIT) uncertainty, but did not incorporate time-va

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Pandey, Shruti, Bharti Dwivedi, and Anurag Tripathi. "Performance Analysis of Supercapacitor Integrated PV Fed Multistage Converter with SMC Controlled VSI for Different Load Conditions." International Journal of Power Electronics and Drive Systems (IJPEDS) 9, no. 2 (2018): 757. http://dx.doi.org/10.11591/ijpeds.v9.i2.pp757-765.

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<span lang="EN-US">The proposed work comprises of an MPPT controlled Photovoltaic (PV) source, in conjunction with a supercapacitor, cascaded with a Sliding Mode Controlled (SMC) Inverter, supplying variable linear and nonlinear loads. The effects of varying solar irradiation and its intermittency have been effectively managed by the MPPT controlled boost converter and charge controlled supercapacitor respectively. The charge controller bucks and boosts the terminal voltage and realizes the power flow in a bidirectional manner. Seamless action has been obtained by the proposed model unde

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Hossain, Md Sanower, and D. Todd Griffith. "Experimental validation of parked loads for a floating vertical axis wind turbine: wind–wave basin tests." Wind Energy Science 10, no. 7 (2025): 1211–30. https://doi.org/10.5194/wes-10-1211-2025.

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Abstract. Parked loads are a major design load case for vertical axis wind turbines (VAWTs) because of persistent high loads on the rotor when in standstill conditions. This paper examines the aerodynamic parked loads of model-scale floating troposkein VAWTs tested in a wind–wave basin to support development and validation of a parked load model for floating VAWTs. We analyze the effects of wind speed, turbine solidity (varying number of blades), and rotor azimuth on parked loads and investigate the impact of different wind–wave platform conditions (comparing locked (fixed tower base) versus f

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Ye, Ming, Jian Zhang, and Jiaqiang Yang. "Bearing Fault Diagnosis under Time-Varying Speed and Load Conditions via Observer-Based Load Torque Analysis." Energies 15, no. 10 (2022): 3532. http://dx.doi.org/10.3390/en15103532.

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Bearing fault is the most common failure in rotating machines, and bearing fault diagnosis (BFD) has been investigated using vibration, current, or acoustic signals. However, there are still challenges in some existing approaches. This study proposes a novel BFD method based on natural observer. Based on the analysis of the effects on the load torque signal caused by bearing faults in the permanent magnetic synchronous machine (PMSM), a modified natural observer was designed to reconstruct the load torque signal from electrical signals, acquiring a novel indicator without the additional sensor

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Pandey, Shruti, Bharti Dwivedi, and Anurag Tripathi. "Performance analysis of super capacitor integrated PV fed multistage converter with SMC controlled VSI for varying nonlinear load conditions." International Journal of Engineering & Technology 7, no. 1.8 (2018): 174. http://dx.doi.org/10.14419/ijet.v7i1.8521.

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This work comprises of an MPPT (maximum power point tracking) controlled Photovoltaic (PV) source, in combination with a superca-pacitor, cascaded with a Sliding Mode Controlled (SMC) Inverter, which supplies varying nonlinear loads. The varying solar irradiation effects and its intermittency have been successfully managed by the boost converter controlled by MPPT and supercapacitor controlled by bidirectional converter. The bidirectional converter step down and step up the terminal voltage and provides the power flow in a bidirectional manner. The proposed model helps in obtaining the seamles

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Salama, M. M. A., E. A. A. Mansour, A. Y. Chikhani, and R. Hackman. "Control of Reactive Power in Distribution Systems with an End-Load and Varying Load Condition." IEEE Power Engineering Review PER-5, no. 4 (1985): 50–51. http://dx.doi.org/10.1109/mper.1985.5528830.

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Salama, M. M. A., E. A. A. Mansour, A. Y. Chikhani, and R. Hackam. "Control of Reactive Power in Distribution Systems with an End-Load and Varying Load Condition." IEEE Transactions on Power Apparatus and Systems PAS-104, no. 4 (1985): 941–47. http://dx.doi.org/10.1109/tpas.1985.319095.

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Prasetia, Abdul Muis, Linda Sartika, and Mohammad Syamri. "Power Factor Improvement Using Capacitor Controlled Based on Dimmers." Jurnal Edukasi Elektro 9, no. 1 (2025): 104–13. https://doi.org/10.21831/jee.v9i1.83899.

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The utilization of electric power predominantly involves inductive loads, which result in lagging voltage waves that increase power consumption beyond what is effectively utilized, thereby reducing power factors and causing energy losses. To mitigate reactive power from inductive loads, capacitors are commonly installed in parallel. However, conventional fixed capacitor banks often lead to suboptimal results due to improper sizing. This study presents an innovative power factor correction device utilizing dimmer-controlled capacitors for dynamic capacitance adjustment. The research offers a co

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Witzani, M., and P. Pechtl. "Modeling of (Cogeneration) Power Plants on Time-Dependent Power Demands of the Consumer." Journal of Engineering for Gas Turbines and Power 118, no. 2 (1996): 353–58. http://dx.doi.org/10.1115/1.2816596.

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This paper presents a planning tool where rigorous plant performance models are used to produce accurate plant performance data reflecting real plant operation under the loads specified by load demand curves. Cumulative figures such as total fuel consumption and production efficiency serve as the basis for a subsequent detailed economic analysis. Basic inputs to the model are the energy demand curves for a specific site on a daily, hourly, or even per minute basis. The plant performance model takes into account the varying load levels, ambient conditions, fuel price, and revenues from electric

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Tuiran, R., A. Ruge, H. Águila, and H. Maury. "Analysis of vibration due to combined misalignments in loaded spur gear systems." Journal of Physics: Conference Series 2947, no. 1 (2025): 012008. https://doi.org/10.1088/1742-6596/2947/1/012008.

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Abstract This study investigates a single stage spur gear transmission system subjected to combined misalignments, such as parallel (radial and axial) and angular (yaw) misalignments, under varying load conditions. Two load levels were analysed: 0.1 Nm for "no load" and 1.2 Nm for "loaded" conditions. The input variables are combined misalignments and reaction loads, while the output variable is the vibration measurement taken at the bearing supports. These measurements were used to assess the effect of misalignment and load on the vibrational behaviour of the system. The test bench used for t

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P, Sreenivasa Murthy B., Prasad P, and Thimmegowda M. B. "A Study on Performance of Al-Si alloy Bearing with SAE20W40 as Lubricants in Constant Load and Varying Speed Condition." International Journal for Research in Applied Science and Engineering Technology 12, no. 12 (2024): 1298–305. https://doi.org/10.22214/ijraset.2024.65995.

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Abstract: Bearing is used to carry radial loads of transmitting members in motion is called as journal bearing. Journal bearings are considered as essential components of all the rotating machinery. Various researchers carried out analysis particularly on copper based alloys published information related to Aluminium-Silicon alloy as a bearing material and relevant information are not available. So in the present work it has been selected to carry out the study on performance of the Aluminium-Silicon alloy bearing by considering the SAE20W40 grade lubricating oils as lubricating mediums and st

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Kushwah, Kajal. "Analysis and Design of Box Culvert for Durability against Varying Thickness of Cushion." International Journal for Research in Applied Science and Engineering Technology 12, no. 8 (2024): 351–58. http://dx.doi.org/10.22214/ijraset.2024.63912.

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Abstract: This study presents the structural analysis of a reinforced concrete (RCC) box culvert with dimensions 1m x 2m x 1.5m, subjected to varying cushion loadings of 0.770m, 1.010m, and 1.200m, using STAAD.Pro software. The analysis focuses on both Ultimate Limit State (ULS) and Serviceability Limit State (SLS) criteria to ensure the structural integrity and durability of the culvert. For ULS, load combinations include dead load, live load, earth pressure, and cushion load, assessing the culvert's capacity to withstand maximum expected loads without failure. The study evaluates bending mom

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Arslan, Muhammad, Muhammad Farooq, Muhamamd Naqvi, et al. "Impact of Varying Load Conditions and Cooling Energy Comparison of a Double-Inlet Pulse Tube Refrigerator." Processes 8, no. 3 (2020): 352. http://dx.doi.org/10.3390/pr8030352.

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Modeling and optimization of a double-inlet pulse tube refrigerator (DIPTR) is very difficult due to its geometry and nature. The objective of this paper was to optimize-DIPTR through experiments with the cold heat exchanger (CHX) along the comparison of cooling load with experimental data using different boundary conditions. To predict its performance, a detailed two-dimensional DIPTR model was developed. A double-drop pulse pipe cooler was used for solving continuity, dynamic and power calculations. External conditions for applicable boundaries include sinusoidal pressure from an end of the

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Nirmala Jegadeesan, Nirmala Jegadeesan, G. Balasubramanian Nirmala Jegadeesan, N. Hemavathi G. Balasubramanian, and Yu-Chi Chen N. Hemavathi. "Empirical Validation of Fuzzy Logic Based Predictive Load Scheduling in Mimic Home Energy Management System." 網際網路技術學刊 24, no. 7 (2023): 1429–36. http://dx.doi.org/10.53106/160792642023122407004.

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<p>Load scheduling plays a vital role in the home energy management systems. The main objective of this load scheduling is to balance the power demand and supply power without degrading the performance of the loads and consumers tolerance. Though many research works concentrate on load scheduling, very few works concentrated on real time scenario. On the other hand, research work concentrated on optimal load scheduling through fuzzy logic requires incorporation of fuzzy based system in either simulated or real-time home energy management system. Hence, the proposal aims to schedule the l

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Rehacek, Stanislav, Ivo Simunek, David Citek, and Jiri Kolisko. "Cementitious Composites in Severe Environmental Conditions - Dynamic Loading." Advanced Materials Research 1124 (September 2015): 69–75. http://dx.doi.org/10.4028/www.scientific.net/amr.1124.69.

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Structure and properties of cement composite are time-varying characteristics, depending among others on environmental conditions. The key idea of the project is a struggle for complex research of joint effect of physical, chemical and dynamic loads on the internal structure [8] of cement composite and understanding the correlation between changes in microstructure and macro-scale properties [5]. During the experimental program, specimens will be exposed to combined influence of freeze-thaw cycles [9], aggressive chemical agents and dynamic loading [7]. The aim is to create a theoretical basis

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Yuan, Liting, Zhiyi Wang, Yanyan Huang, and Xiaolong Wang. "Comparative Analysis on Load Characteristic of Intermittently Conditioned Buildings for Different Wall Insulation Forms." Energies 13, no. 18 (2020): 4974. http://dx.doi.org/10.3390/en13184974.

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The Air-conditioning System (ACS), used in office buildings in the hot summer and cold winter zone of China, are always operate intermittently. The dynamic thermal behaviors of building walls with real climate conditions may be different from those with only the representative day’s climate conditions, due to the time varying nature of the climate, which will lead to the variation of the ACS loads. A numerical calculation was performed to analyze the effects of insulation form on heat behavior of external walls and ACS loads. The results indicate that cooling transmission load with inside insu

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