Academic literature on the topic 'Energy Ladder Model'

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Journal articles on the topic "Energy Ladder Model"

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Cheranovskii, V. O., E. V. Ezerskaya, and A. O. Kabatova. "The energy spectrum and low-temperature magnetic properties of the decorated two-leg mixed spin ladder." Low Temperature Physics 49, no. 4 (2023): 438–42. http://dx.doi.org/10.1063/10.0017584.

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The energy spectra and low-temperature magnetic properties of two one-dimensional Heisenberg mixed spin ( s = 1, 1/2) systems, namely decorated two-leg mixed spin ladders with the lattice topology of polyacene, are studied. The gapless character of the exact excitation energy spectra for both ladder models has been determined. We found numerically that the model with macroscopic ground state spin S0 has gapped excitations with the spin S > S0. This leads to the appearance of an intermediate plateau in field dependence of magnetization at low temperatures. We have shown that the ladder with
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Adamu, M. B., H. Adamu, S. M. Ade, and G. I. Akeh. "Household Energy Consumption in Nigeria: A Review on the Applicability of the Energy Ladder Model." Journal of Applied Sciences and Environmental Management 24, no. 2 (2020): 237–44. http://dx.doi.org/10.4314/jasem.v24i2.7.

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Household energy consumption dynamics in developing countries is often conceptualized through the Energy ladder model and assumes that with increasing income, householders will have a preference to cleaner energy. This paper reviewed various energy sources for household consumption and examines the implications of their dependence on traditional energy sources as well as the energy ladder model as a concept widely used by scholars in describing the role of income in determining energy use and choices. It further explains the consumption behaviour of households in relation to the major assumpti
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Nazer, Muhammad, and Hefrizal Handra. "Analisis Konsumsi Energi Rumah Tangga Perkotaan di Indonesia: Periode Tahun 2008 dan 2011." Jurnal Ekonomi dan Pembangunan Indonesia 16, no. 2 (2016): 141–53. http://dx.doi.org/10.21002/jepi.v16i2.588.

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Urban Household Energy Consumption Analysis in Indonesia: Period of 2008 and 2011The goal of the study is to analyze the pattern and the change of urban household energy consumption and their determinant factors in Indonesia period of 2008 and 2011 using SUSENAS data of household budget survey. The concept of energy ladder and fuel stacking (multi fuel) are used to make a model of household energy consumption. The result of study shows that total energy consumption was increase in the period of 2008 and 2011. Coefficient of income elasticity toward both of modern and traditional energy consump
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Cheranovskii, Vladyslav, and Viktoriia Mukhomodiarova. "Energy spectrum and magnetic properties of the decorated spin ladder models of nanomagnets on the base of polymeric transition metal compounds." Kharkov University Bulletin Chemical Series, no. 40 (April 21, 2023): 6–11. http://dx.doi.org/10.26565/2220-637x-2023-40-01.

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The work is devoted to the theoretical study of the energy spectrum and low-temperature magnetic properties of the decorated spin-ladder model with the polyacene topology and the three types of the site spins. On the base of cluster expansion technique an approximate analytical treatment of lowest part of the energy spectra of two isomeric ladder structures was given. It is shown that the ladder model with singlet ground state is more stable than its isomeric analog with the macroscopic ground state spin. In addition, the numerical study of field dependence of low-temperature magnetization of
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BIBIKOV, P. N. "GROUND-STATE FLUCTUATIONS IN RUNG-DIMERIZED SPIN LADDERS." International Journal of Modern Physics B 25, no. 09 (2011): 1293–300. http://dx.doi.org/10.1142/s0217979211100023.

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Treating an exactly rung-dimerized spin ladder as a reference model we study perturbatively zero temperature quantum fluctuations in spin ladders with slightly destroyed rung-dimerization. Analytic expressions are obtained for the gas parameter (density of rung-triplets) and the ground-state energy per rung. At a strong diagonal frustration as well as at a rather strong antiferromagnetic rung coupling these results well agree with the previous numerical calculations.
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Panic, Vladimir, Aleksandar Dekanski, and Branislav Nikolic. "Tailoring the supercapacitive performances of noble metal oxides, porous carbons and their composites." Journal of the Serbian Chemical Society 78, no. 12 (2013): 2141–64. http://dx.doi.org/10.2298/jsc131031128p.

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Porous electrochemical supercapacitive materials, as an important type of new-generation energy storage devices, require a detailed analysis and knowledge of their capacitive performances upon different charging/discharging regimes. The investigation of the responses to dynamic perturbations of typical representatives, noble metal oxides, carbonaceous materials and RuO2-impregnated carbon blacks, by electrochemical impedance spectroscopy (EIS) is presented. This presentation follows a brief description of supercapacitive behavior and origin of pseudocapacitive response of noble metal oxides. F
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Sarkar, Manik, Santanu K. Maiti, and Moumita Dey. "Localization phenomena and electronic transport in irradiated Aubry–André–Harper systems." Journal of Physics: Condensed Matter 34, no. 19 (2022): 195303. http://dx.doi.org/10.1088/1361-648x/ac53db.

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Abstract The role of light irradiation on electronic localization is critically investigated for the first time in a tight-binding lattice where site energies are modulated in the cosine form following the Aubry–André–Harper (AAH) model. The critical point of transition from delocalized-to-localized phase can be monitored selectively by regulating the light parameters that is extremely useful to have controlled electron transmission across the system. Starting with a strictly one-dimensional (1D) AAH chain, we extend our analysis considering a two-stranded ladder model which brings peculiar si
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BUZATU, F. D. "GROUND-STATE ENERGY OF THE ONE-DIMENSIONAL HUBBARD MODEL IN A SIMPLE SELF-CONSISTENT VERSION OF THE LADDER APPROXIMATION." Modern Physics Letters B 09, no. 18 (1995): 1149–57. http://dx.doi.org/10.1142/s0217984995001145.

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The ground-state energy of the one-dimensional Hubbard model is calculated within the ladder approximation; from the comparison with the exact results in the repulsive case, it follows that the approximation is good at low densities or small couplings. The ladder approximation can be improved by imposing a self-consistency condition; using a simple assumption, the results become close to the exact ones in a large range of the model parameters.
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Wu, Na, Jingrui Yan, Shuxian Fan, and Songge Hu. "Low-carbon Economic Scheduling of Combined Cooling, Heating and Power Microgrid Considering Demand Response and Shared Energy Storage." Journal of Physics: Conference Series 2588, no. 1 (2023): 012007. http://dx.doi.org/10.1088/1742-6596/2588/1/012007.

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Abstract In order to further promote the new energy consumption of combined cooling, heating, and power (CCHP) microgrid, reduce carbon emissions, and optimize the total operating cost of the microgrid, a low-carbon optimal scheduling model of CCHP microgrid was proposed. It considered demand response (DR) and shared energy storage (SES). Firstly, the concept of SES and its operation mode are applied to the microgrid. Secondly, in order to take advantage of the flexible nature of multiple loads, an integrated demand response (IDR) model with a ladder subsidy mechanism was established. Then, th
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Huang, Liping, Fanxin Zhong, Chun Sing Lai, Bang Zhong, Qijun Xiao, and Weitai Hsu. "A Ladder-Type Carbon Trading-Based Low-Carbon Economic Dispatch Model for Integrated Energy Systems with Flexible Load and Hybrid Energy Storage Optimization." Energies 18, no. 14 (2025): 3679. https://doi.org/10.3390/en18143679.

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This paper proposes a ladder carbon trading-based low-carbon economic dispatch model for integrated energy systems (IESs), incorporating flexible load optimization and hybrid energy storage systems consisting of battery and thermal energy storage. First, a ladder-type carbon trading mechanism is introduced, in which the carbon trading cost increases progressively with emission levels, thereby providing stronger incentives for emission reduction. Second, flexible loads are categorized and modeled as shiftable, transferable, and reducible types, each with distinct operational constraints and com
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Dissertations / Theses on the topic "Energy Ladder Model"

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Chaboussant, Grégory. "Étude expérimentale d'une échelle de spin-1/2 antiferromagnétique : Cu2(C5H12N2)2Cl4." Université Joseph Fourier (Grenoble ; 1971-2015), 1997. http://www.theses.fr/1997GRE10007.

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Ce memoire presente une etude experimentale d'un compose organique isolant ayant des proprietes magnetiques unidimensionnelles (1d): cu#2(c#5h#1#2n#2)#2cl#4. C'est un systeme antiferromagnetique de heisenberg s=1/2 en echelle de spins. Les interactions d'echanges entre les electrons non apparies des ions cu#2#+ forment une structure magnetique en echelle que l'on peut decrire par deux parametres d'echanges, j entre les barreaux et j le long des deux chaines. Comme toutes les echelles de spin-1/2 ayant un nombre pair de chaines couplees, ce systeme a un gap d'energie dans le spectre des excitat
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Sgarbi, Felipe de Albuquerque. "Modelos de transição energética residencial e o acesso a serviços energéticos limpos: uma análise a partir de dois estudos de caso." Universidade de São Paulo, 2013. http://www.teses.usp.br/teses/disponiveis/86/86131/tde-11092013-124241/.

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A transição energética residencial começou a receber especial atenção da comunidade científica nos anos 1970 e 1980, quando se acreditava na ocorrência iminente da Crise da Lenha. Na época, temia-se que o corrente ritmo de consumo de biomassas sólidas em países em desenvolvimento ultrapassaria a capacidade de produção primária dos ambientes naturais, com sérias consequências para as camadas menos abastadas da população destes locais, que se veriam em uma situação de escassez de fontes de energia. Apesar de esta crise nunca haver, de fato, se concretizado, a preocupação com a sua potencial ocor
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Book chapters on the topic "Energy Ladder Model"

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Danlami, Abubakar Hamid, and Shri Dewi Applanaidu. "Sustaining a Cleaner Environment by Curbing Down Biomass Energy Consumption." In African Handbook of Climate Change Adaptation. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-45106-6_211.

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AbstractEnvironmental degradation, soil erosion, and desertification are some of the consequences of high rate of traditional biomass fuel use by households in developing countries. The critical issues to raise here are how can these households be encouraged to change their energy consumption behavior? What are the factors that cause the rampant use of biomass fuel in developing countries? How and to what extent can these factors be manipulated so that households in developing countries are encouraged to adopt clean energy fuel an alternative to the most widely used biomass fuel? Therefore, th
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Danlami, Abubakar Hamid, and Shri Dewi Applanaidu. "Sustaining a Cleaner Environment by Curbing Down Biomass Energy Consumption." In African Handbook of Climate Change Adaptation. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-42091-8_211-1.

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AbstractEnvironmental degradation, soil erosion, and desertification are some of the consequences of high rate of traditional biomass fuel use by households in developing countries. The critical issues to raise here are how can these households be encouraged to change their energy consumption behavior? What are the factors that cause the rampant use of biomass fuel in developing countries? How and to what extent can these factors be manipulated so that households in developing countries are encouraged to adopt clean energy fuel an alternative to the most widely used biomass fuel? Therefore, th
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Conference papers on the topic "Energy Ladder Model"

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Owen, Joshua, Jasper Alderton, Joshua Greaves, et al. "Erosion-corrosion Degradation of Additively Manufactured Metals." In CONFERENCE 2025. AMPP, 2025. https://doi.org/10.5006/c2025-00332.

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Abstract Metals and alloys produced by additive manufacturing (AM) are becoming more widely utilized across a number of industrial applications such as energy generation, flow machinery and aerospace. Questions remain, however, with regards to their degradation resistance when compared to conventionally manufactured equivalents. One form of material degradation that has yet to receive wider attention is erosion-corrosion of AM metals, a degradation mechanism that occurs in particle-laden corrosive fluids. The erosion-corrosion degradation of AM metals and their conventionally manufactured coun
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Chen, Wanqing, Han Chen, Jinchun Chen, Simin Chen, Xiaofan Lin, and Yinan Li. "A Low-Carbon Economic Scheduling Model of Integrated Energy System Considering Ladder-Type Carbon Trading." In 2022 IEEE 6th Conference on Energy Internet and Energy System Integration (EI2). IEEE, 2022. http://dx.doi.org/10.1109/ei256261.2022.10116586.

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Lopez, Andres, Diego Patino, and Rafael Diez. "Validation of generalized continuous equivalent model on a DC/DC ladder multilevel converter." In 2012 IEEE Energy Conversion Congress and Exposition (ECCE). IEEE, 2012. http://dx.doi.org/10.1109/ecce.2012.6342240.

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Roshandel, Emad, Amin Mahmoudi, and Solmaz Kahourzade. "2D Subdomain Model of the Ladder Linear Induction Machine with considering Saturation Effect." In 2021 IEEE Energy Conversion Congress and Exposition (ECCE). IEEE, 2021. http://dx.doi.org/10.1109/ecce47101.2021.9595612.

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Chung, Hyun-Joon, Yujiang Xiang, Mahdiar Hariri, Rajan Bhatt, Jasbir S. Arora, and Karim Abdel-Malek. "Predictive Simulation of Human Ladder Climbing." In ASME 2013 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/detc2013-13258.

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An optimization formulation for human ladder climbing simulation is presented. The human model has 55 degrees of freedom — 49 revolute joints and 6 global translation & rotation joints. It is assumed that the ladder climbing motion is symmetric and periodic. The formulation starts with four contact points with both hands and feet. Then, hand and foot moves up and it ends with four contact points again. Design variables are the joint angle profiles and contact reaction forces. The objective function is combined with dynamic efforts and motion tracking. The dynamic efforts are joint torque s
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Shammy, Devaraj, and Raghu V. Prakash. "Parametric Analysis of Factors Influencing Stiffness and Crashworthiness of a Ladder Frame." In ASME 2016 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/imece2016-65408.

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During a vehicle crash, a major portion of the energy is absorbed by the frame structure. In general, stiffness and durability are considered as the primary criteria for design; but, not the crashworthiness of a frame structure. The purpose of this study is to evaluate the crash worthiness of a ladder frame structure. The effect of variation of bending stiffness and torsion stiffness of the ladder frame on the crashworthiness, specific energy absorption (SEA) and the peak load is investigated. Numerical analysis for frontal crash and stiffness of the ladder frame is done using LS DYNA® and CAT
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Schwarzkopf, J. D., C. T. Crowe та P. Dutta. "A k-ε Model for Particle-Laden Turbulent Flows". У ASME 2009 Fluids Engineering Division Summer Meeting. ASMEDC, 2009. http://dx.doi.org/10.1115/fedsm2009-78385.

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A dissipation transport equation for the carrier phase of particle-laden turbulent flows was recently developed. This equation shows a new production of dissipation term due to the presence of particles that is related to the velocity difference between the particle and the surrounding fluid. In the development, it was assumed that each coefficient was the sum of the coefficient for single phase flow and a coefficient quantifying the contribution of the particulate phase. The coefficient for the new production term (due to the presence of particles) was found from homogeneous turbulence genera
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Xu, Ying, and Shankar Subramaniam. "An Improved Multiscale Model for Dilute Turbulent Gas-Particle Flows Based on the Equilibration of Energy Concept." In ASME 2005 Fluids Engineering Division Summer Meeting. ASMEDC, 2005. http://dx.doi.org/10.1115/fedsm2005-77137.

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The objective of this study is to assess, and possibly improve, models for turbulent particle-laden flows. We begin by understanding the behavior of two existing models—one proposed by Simonin [Von Karman Institute of Fluid Dynamics Lecture Series, 1996], and the other by Ahmadi [Int. J. Multiphase Flow, 1990]—in the limiting case of statistically homogeneous particle-laden turbulent flow. The decay of particle and fluid phase turbulent kinetic energy (TKE) are compared with direct numerical simulation results. Even this simple flow poses a significant challenge to current models which have di
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Huang, Bang-fu, Xiao-lei Zhou, Gui-fang Zhang, and Zhe Shi. "Calculation Model of Turnover Steel Ladle Based on Gantt Chart." In 2014 International Conference on Materials Science and Energy Engineering (CMSEE 2014). WORLD SCIENTIFIC, 2015. http://dx.doi.org/10.1142/9789814678971_0002.

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Park, Hee-Jin, and Wen-Jei Yang. "Numerical Study of Flow in Gas-Stirred Ladle Systems With and Without Throughflow." In ASME 1996 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 1996. http://dx.doi.org/10.1115/imece1996-0130.

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Abstract Two turbulent models, the conventional k-ε and Reynolds Stress models, are employed to simulate turbulent recirculating two-phase flow generated by air injection to a ladle with or without throughflow. A Lagrangian-Eulerian scheme for two phases is computed numerically. It is shown that the k-ε model, while overpredicting turbulent kinetic energy, underpredicts the mean velocity of the Reynolds Stress model. It is also disclosed that the dispersion rate of a plume is more dependent on the bubble flow-rate than on the bubble size. The location of the air injection nozzle is varied for
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