Relevant bibliographies by topics / Effective Load Carrying Capability - ELCC

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

Academic literature on the topic 'Effective Load Carrying Capability - ELCC'

Author: Grafiati
Published: 4 June 2021
Last updated: 3 February 2022

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Journal articles on the topic "Effective Load Carrying Capability - ELCC"

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Kahn, Edward P. "Effective Load Carrying Capability of Wind Generation: Initial Results with Public Data." Electricity Journal 17, no. 10 (2004): 85–95. http://dx.doi.org/10.1016/j.tej.2004.10.006.

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Gao, Zhong Xu, An Jia Mao, De Zhi Chen, and Yun Ting Song. "A Wind Farm Capacity Credibility Calculation Method Based on Parabola." Applied Mechanics and Materials 472 (January 2014): 953–57. http://dx.doi.org/10.4028/www.scientific.net/amm.472.953.

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The capacity credibility of a wind farm is the basic index to evaluate the value of its power generation capacity. As an important reference for the wind farm planning and site selection, calculation of wind farm capacity credibility is significant. Based on a sequential Monte Carlo simulation approach, this paper proposes a parabola calculation method for the wind farm capacity credibility. The method first uses an autoregressive moving average (ARMA) time series approach to simulate the hourly wind speeds, and then set up the reliability model of the wind energy conversion system (WECS). Finally, the parabolic method is used to calculate the effective load-carrying capacity (ELCC), which is the most important part of the capacity credibility of the wind farm. As a testing scenario, the IEEE-RTS79 test system is used to verify the method, and the difference of capacity credibility under different reliability indices is also analyzed.
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D'Annunzio, C., and S. Santoso. "Noniterative Method to Approximate the Effective Load Carrying Capability of a Wind Plant." IEEE Transactions on Energy Conversion 23, no. 2 (2008): 544–50. http://dx.doi.org/10.1109/tec.2008.918597.

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Wangdee, Wijarn, Wenyuan Li, and Roy Billinton. "Pertinent factors influencing an effective load carrying capability and its application to intermittent generation." International Journal of Systems Assurance Engineering and Management 1, no. 2 (2010): 146–56. http://dx.doi.org/10.1007/s13198-010-0025-6.

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Chen, Zhi, Lei Wu, and Mohammad Shahidehpour. "Effective Load Carrying Capability Evaluation of Renewable Energy via Stochastic Long-Term Hourly Based SCUC." IEEE Transactions on Sustainable Energy 6, no. 1 (2015): 188–97. http://dx.doi.org/10.1109/tste.2014.2362291.

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Zhu, Zean, Xu Wang, Chuanwen Jiang, Lingling Wang, and Kai Gong. "Multi-objective optimal operation of pumped-hydro-solar hybrid system considering effective load carrying capability using improved NBI method." International Journal of Electrical Power & Energy Systems 129 (July 2021): 106802. http://dx.doi.org/10.1016/j.ijepes.2021.106802.

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Safitri, Endah, Iswandi Imran, Nuroji, and Sholihin Asa'ad. "The Effect of Steel Ring Width Variations as the External Confinement on Load-Moment Interaction Behavior of Reinforced Concrete Column." Applied Mechanics and Materials 845 (July 2016): 188–92. http://dx.doi.org/10.4028/www.scientific.net/amm.845.188.

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Nowaday, we require higher capacity and ductility of structural member particulary in reinforced concret column in construction world. One way to improve the ductility and carrying capacity of concrete is confining the concrete. To investigate the effects of external confinement on column capacity, an analytical study is carried out. A steel ring external confinement is used in this study. The stress-strain diagrams design for confined concrete are developed by considering different proposed confined models based on width variations of the steel ring. The test results showed that steel ring are effective as external confinement in confining the concrete. Capability of concrete to support load simultaneously is increasing along the width of the ring. Its effect on column capacity is studied in terms of load – moment interaction diagram of column. The presence of external reinforcement expands the interaction diagram of the column particularly when it is in the compression-controlled region.
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Lebeck, A. O. "Parallel Sliding Load Support in the Mixed Friction Regime. Part 1—The Experimental Data." Journal of Tribology 109, no. 1 (1987): 189–95. http://dx.doi.org/10.1115/1.3261317.

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When two parallel surfaces slide parallel to each other in the presence of a liquid, classical lubrication theory shows that no load carrying ability of the lubricant should result. In experiment after experiment it has been clearly demonstrated that a large and useful load carrying capability often does develop in such situations. Since the successful operation of a significant fraction of sliding bearings and face seals may depend upon this phenomenon, a better understanding would be very useful for bearing and seal design. In this paper much of the known data on parallel sliding experiments are reviewed and compared. Seals as well as bearings are included in this data base. A wide range of conditions and viscosities are included. Some recent work on parallel sliding in water is examined. A comparison of parallel sliding to tilted sliding is also made. It is shown that a strong load support mechanism is present in all of the experimental results. The experiments clearly show that as speed is increased the bearing surfaces are lifted up such that asperity contact and friction are reduced. While explanations are often given for individual sets of experiments, the pervasiveness of this behavior suggests that perhaps there is some mechanism common to all parallel sliding which is not well understood. A mixed friction model is developed and used to explain some of the results. Conclusions are reached concerning several characteristics of parallel sliding. The paper concludes that given the importance of this phenomenon, careful evaluation of the various possible load support mechanisms should be made so that an effective direction for further research can be established.
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Safitri, Endah, Iswandi Imran, Nuroji, and Sholihin Asa'ad. "Deformation Behavior of Concrete due to the Influence of the Steel Ring Width Variations as the External Confinement." Applied Mechanics and Materials 776 (July 2015): 47–52. http://dx.doi.org/10.4028/www.scientific.net/amm.776.47.

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Deformability of concrete decreases as its strength increases. The higher the concrete strength, the lower it’s failure strain which shows increase of brittleness. One way to improve the ductility and carrying capacity of concrete is by doing confinement of the concrete. A steel ring external confinement was used in this study. The steel ring is made of a steel cylindrical tube that is cut with a specific width (a) so similar to the ring. The steel ring is placed at a specific distance between the ring (b). With ring width variation (a = 28, 45 and 73 mm) and the distance between the steel ring is constant (b = 40 mm), gave the variation of the volumetric ratio which will afffect the confinement on the concrete. The test results showed that the steel ring was effective as external confinement of the concrete. The capability of concrete to support load increases in line with the width of the ring. Increased carrying capacity of concrete for 28, 45 and 73 mm ring width is respectively 115.382%, 131.792%, 150.253% and the maximum strain of concrete increases to 389.474%, 368.421% and 366.667%, respectively.
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Rahim, Nurul Izzati, Bashar S. Mohammed, Amin Al-Fakih, et al. "Strengthening the Structural Behavior of Web Openings in RC Deep Beam Using CFRP." Materials 13, no. 12 (2020): 2804. http://dx.doi.org/10.3390/ma13122804.

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Deep beams are more susceptible to shear failure, and therefore reparation is a crucial for structural reinforcements. Shear failure is structural concrete failure in nature. It generally occurs without warning; however, it is acceptable for the beam to fail in bending but not in shear. The experimental study presented the structural behavior of the deep beams of reinforced concrete (RC) that reinforces the web openings with externally connected carbon fiber reinforced polymer (CFRP) composite in the shear zone. The structural behavior includes a failure mode, and cracking pattern, load deflection responses, stress concentration and the reinforcement factor were investigated. A total of nine reinforced concrete deep beams with openings strengthened with CFRP and one control beam without an opening have been cast and tested under static four-point bending load till failure. The experimental results showed that the increase the size of the opening causes an increase in the shear strength reduction by up to 30%. Therefore, the larger the openings, the lower the capability of load carriage, in addition to an increase in the number of CFRP layers that could enhance the load carrying capacity. Consequently, utilization of the CFRP layer wrapping technique strengthened the shear behavior of the reinforced concrete deep beams from about 10% to 40%. It was concluded that the most effective number of CFRP layers for the deep beam with opening sizes of 150 mm and 200 mm were two layers and three layers, respectively.
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Dissertations / Theses on the topic "Effective Load Carrying Capability - ELCC"

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Gami, Dhruv N. "Effective Load Carrying Capacity of Solar PV Plants: A case study across USA." The Ohio State University, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=osu1461281022.

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D'Annunzio, Claudine. "Generation adequacy assessment of power systems with significant wind generation : a system planning and operations perspective." 2009. http://hdl.handle.net/2152/6862.

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One of the great challenges to increasing the use of wind generation is the need to ensure generation adequacy. In this dissertation, we address that need by investigating and assessing the planning and operational generation adequacy of power systems with significant wind generation. At the onset of this dissertation, key metrics are presented for determining a power system’s generation adequacy assessment based on loss-of-load analytical methods. With these key metrics understood, a detailed methodology is put forward on how to integrate wind plants in the assessment’s framework. Then, through the examination of a case study, we demonstrate that wind generation does contribute capacity to the system generation adequacy. Indeed, results indicates that at wind penetration levels of less than 5%, a wind plant’s reliability impact is comparable to an energy equivalent conventional unit. We then show how to quantify a wind plant’s capacity contribution by using the effective load carrying capability metric (ELCC), providing a detailed description of how to implement this metric in the context of wind generation. However, as certain computational setbacks are inherent to the metric, a novel noniterative approximation is proposed and applied to various case studies. The accuracy of the proposed approximation is evaluated in a comparative study by contrasting the resulting estimates to conventionally-computed ELCC values and the wind plant’s capacity factor. The non-iterative method is shown to yield accurate ELCC estimates with relative errors averaging around 2%. Case study findings also suggest the importance of period-specific ELCC calculations to better evaluate the variable capacity contribution of wind plants. Even when considering a well-planned system in which wind generation has been appropriately integrated in the adequacy assessment, wind plants do create significant challenges in maintaining generation adequacy on an operational level. To address these challenges, a novel operational reliability assessment tool is proposed to quantitatively evaluate the system’s operational generation adequacy given potential generator forced outages, load and wind power forecasts, and forecasting deviations.<br>text
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Book chapters on the topic "Effective Load Carrying Capability - ELCC"

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Kahn, Edward P. "Effective Load Carrying Capability of Wind Generation: Initial Results with Public Data." In Renewable Energy. Routledge, 2018. http://dx.doi.org/10.4324/9781315793245-119.

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Conference papers on the topic "Effective Load Carrying Capability - ELCC"

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Pavlak, Alex, and Harry V. Winsor. "Wind System Reliability and Capacity." In ASME 2014 Power Conference. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/power2014-32148.

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Capacity measures a system’s ability to survive stress. For example, structures are engineered in part to have the capacity to survive the worst wind loads expected over the life of the structure. Likewise wind electric power systems should have the capacity to reliably survive the worst combination of high load and low wind. A superior approach for quantifying wind’s contribution to system capacity is well known. It is to view wind as a negative load and use the Effective Load Carrying Capacity (ELCC) methodology for a given year. A frequent mistake is to average these annual ELCC estimates. A main contribution of this paper is to explain why the system design criteria should take the worst of the annual ELCC estimates over a number of years and not an average of annual ELCC estimates. Based on extreme events, wind generation contributes little to system capacity (&lt;6.6% of wind nameplate). The empirical evidence shows that wind generation is an energy source, not a capacity resource.
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Chen, Zhi, and Lei Wu. "Effective load carrying capability evaluation for high penetration renewable energy integration." In 2015 IEEE Power & Energy Society General Meeting. IEEE, 2015. http://dx.doi.org/10.1109/pesgm.2015.7286141.

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Wangdee, Wijarn, Wenyuan Li, and Roy Billinton. "Coordinating wind and hydro generation to increase the effective load carrying capability." In 2010 IEEE 11th International Conference on Probabilistic Methods Applied to Power Systems (PMAPS). IEEE, 2010. http://dx.doi.org/10.1109/pmaps.2010.5528891.

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Kirn, B., M. Čepin, and M. Topič. "Effective load carrying capability of solar photovoltaic power plants—case study for Slovenia." In The 2nd International Conference on Engineering Sciences and Technologies. CRC Press, 2017. http://dx.doi.org/10.1201/9781315210469-408.

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Esmaili, Ali, and Adel Nasiri. "Evaluation of impact of energy storage on Effective Load Carrying Capability of wind energy." In 2012 IEEE Energy Conversion Congress and Exposition (ECCE). IEEE, 2012. http://dx.doi.org/10.1109/ecce.2012.6342471.

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Malik, Arif S., and Mohammed H. Albadi. "A Tutorial for Evaluating Capacity Credit of PV Plants Based on Effective Load Carrying Capability." In 2020 5th International Conference on Renewable Energies for Developing Countries (REDEC). IEEE, 2020. http://dx.doi.org/10.1109/redec49234.2020.9163833.

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Smith, Nathan, and Alex Pavlak. "Justification for Long Distance Transmission." In ASME 2014 Power Conference. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/power2014-32144.

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Wind is always blowing somewhere. From this perspective, a logical hypothesis is that a base load generator might be created by using long distance transmission to connect distant wind farms. This paper tests that hypothesis by putting numbers to it. It is generally accepted that geographic diversity has a smoothing effect on wind fluctuations for cumulative production [1]. This paper addresses the question of whether or not geographic diversity provides system capacity as well. A scenario of interest is the interconnection of wind farms on the East Coast (PJM Interconnection) with wind farms in the Midwest (MISO, the Midcontinent Independent System Operator). Wind is characterized by the Cumulative Distribution Function (DF). Effective Load Carrying Capacity (ELCC) is a metric that defines system capacity, the load that a system can deliver at an acceptable level of reliability. This paper compares standalone wind on PJM with standalone wind on MISO and with standalone wind for interconnected PJM + MISO. A fourth comparison shows the theoretical limit, what could be achieved if wind from PJM and MISO were independent of each other. This analysis quantifies the capacity benefits of long distance transmission.
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Briot, Se´bastien, Sylvain Gue´gan, Eric Courteille, and Vigen Arakelian. "On the Design of PAMINSA: A New Class of Parallel Manipulators With High-Load Carrying Capacity." In ASME 2007 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2007. http://dx.doi.org/10.1115/detc2007-35068.

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This paper deals with the new results concerning the topologically decoupled parallel manipulators called PAMINSA. The conceptual design of these manipulators, in which the copying properties of pantograph linkage are used, allows obtaining a large payload capability. A newly synthesized fully decoupled 3 degrees of freedom manipulator is discussed and a systematic approach for motion generation of input point of each limb is presented. It is shown that the conditions of complete static balancing of limbs are not effective in the case of dynamic mode of operation. This is approved by numerical simulations and experiments. A significant contribution of this paper is also the experimental validation of the suggested design concept. It is shown experimentally for the first time that the static loads on the rotating actuators, which displace the platform in the horizontal plane, are cancelled.
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Wu, Tsu-te. "An Analytical Method of Determining Damage Initiation for Potential Use in Establishing Strain-Based Failure Criteria." In ASME 2009 Pressure Vessels and Piping Conference. ASMEDC, 2009. http://dx.doi.org/10.1115/pvp2009-77435.

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This paper proposes a methodology for analytically determining the initiation of ductile fracture due to the nucleation, growth, and coalescence of voids. Since structural damages in the shipping packages of radioactive materials are judged to be mainly caused by ductile fracture rather than shear fracture due to shear band localization, the proposed methodology has potential use in establishing strain-based failure criteria. The proposed methodology is based on the concept that, to ensure its structural integrity, a package should be designed within the maximum load-carrying capability. The load-carrying capabilities for various states of stress can be determined from the load-displacement relationships obtained from the numerical simulations of various specimen tests. As a result, the maximum equivalent plastic strain corresponding to the maximum load-carrying capability can be expressed in terms of stress triaxiality. This paper demonstrates that it is possible to analytically determine the effective plastic strains at the damage initiation in the state of multiple stresses where the load-carrying capacity is at maximum. By considering both material and geometrical nonlinearity in the mathematical representations of structures, the maximum load-carrying capabilities can be calculated as long as the stress-strain data is given.
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Heshmat, Hooshang, Zhaohui Ren, Andrew Hunsberger, James Walton, and Said Jahanmir. "The Emergence of Compliant Foil Bearing and Seal Technologies in Support of 21st Century Compressors and Turbine Engines." In ASME 2010 International Mechanical Engineering Congress and Exposition. ASMEDC, 2010. http://dx.doi.org/10.1115/imece2010-40598.

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For energy independence to become a reality, whether through the more effective use of US natural resources such as natural gas or through the continued development of the hydrogen economy, efficient and reliable large-scale compressors are needed to enhance the existing pipeline infrastructure that moves energy storing gases from production sites to end user locations. Oil-free, non-contacting seal and bearing technologies are critical to the successful development of new high efficiency and power dense compressors. Similarly with increasing emphasis on energy conservation, power and propulsion gas turbine engines will require advanced low leakage seals and may take advantage of efficiencies offered by compliant foil gas bearings. When properly applied these oil-free, non contacting technologies will have a positive impact on the operating efficiency and life of compressor and gas turbine engine systems. The overall objective of this paper is to present recent advances in compliant foil bearings and seals that make them attractive for a wide array of systems. The paper documents the design approach that includes analytical trade off studies to establish overall requirements followed by an experimental program to demonstrate the ability of the identified foil technology to meet the machine requirements. A summary of advancements in foil bearing load carrying capacity, size scaling from 6 mm to 150 mm in diameter, the ability to operate under shock loads greater than 40 g as well as under steady side loads with two different gases and finally the ability to operate at temperatures greater than 750 C will be presented. Data will also be presented showing the application of foil bearings to several different machines. Similarly, results from design, fabrication and testing of compliant foil radial and axial face seals will be discussed. Data from axial face seals testing at differential pressures, surface velocities, and normal loads greater than 675 kPa, 350 m/s, and 1100 N respectively will be presented to demonstrate non-contacting performance. Results of subcomponent testing will also be presented to demonstrate the capability of the face seal to accommodate axial excursions of up to 3.8 mm. Compliant foil radial seal testing in sizes ranging from approximately 60 to 215 mm in diameter under differential pressures to 690 kPa and surface velocities to 340 m/s will be presented and compared to prediction. The culmination of the work presented supports the application of compliant foil bearings and seals in a wide array of advanced machinery.
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