Thermal load
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Part 2 book "Transformer design principles" includes content: High voltage insulation design; electric field calculations; losses; thermal model of a core form power transformer and related thermal calculations; load tap changers; phase shifting transformers; cost minimization.
303p dianmotminh03 17-06-2024 1 0 Download
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This paper investigates the nonlinear vibration of saturated porous functionally graded plate subjected to the combination of mechanical and thermal loadings. Three different distributions of porosity are considered. Based on the Biot and higher order shear deformation theories, the vibration characteristics including natural frequency, deflection amplitude – time curves and relation between frequency ratio and amplitude of the saturated porous plate are determined.
13p viambani 18-06-2024 1 1 Download
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Part 2 of ebook "Green building illustrated" provides readers with contents including: Chapter 10 - Thermal zoning and compartmentalization; Chapter 11 - Lighting and other electric loads; Chapter 12 - Hot and cold water; Chapter 13 - Indoor environmental quality; Chapter 14 - Heating and cooling; Chapter 15 - Renewable energy; Chapter 16 - Materials; Chapter 17 - Schedules, sequences, and affordability; Chapter 18 - Quality in green design and construction; Chapter 19 - Conclusion;...
143p giangdongdinh 28-05-2024 4 2 Download
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Part 2 book "Electric power engineering handbook" includes content: Load tap changers, loading and thermal performance, transformer connections, transformer testing, load tap change control and transformer paralleling, power transformer protection, causes and effects of transformer sound levels, transient voltage response, transformer installation and maintenance, problem and failure investigation, on line monitoring of liquid immersed transformers, united states power transformer equipment standards and processes.
238p dianmotminh01 20-05-2024 4 3 Download
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Part 2 book "Electric power transformer engineering" includes content: Reactors, insulating media, electrical bushings, tap changers and smart intelligent controls, loading and thermal performance, transformer connections, transformer testing, load tap change control and transformer paralleling, power transformer protection, causes and effects of transformer sound levels,... and other contents.
411p dianmotminh01 20-05-2024 3 2 Download
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In the paper "Thermal buckling of P-FGM sandwich beam with porous core on elastic foundation", a coupled effect of thermal and electrical loadings on the thermal buckling behavior of functionally graded material (FGM) sandwich beam resting on Pasternak foundation is investigated. The symmetric multi-layered beam consists of a foam core, two middle FGM layers, and two outer piezoelectric layers. It is assumed that the beam is subjected to a constant voltage and a uniform/linear temperature rise.
10p dathienlang1012 03-05-2024 1 0 Download
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The main aim of this paper is to investigate the nonlinear buckling and postbuckling of eccentrically stiffened sandwich functionally graded porous (FGP) cylindrical shells surrounded by elastic foundations in thermal environments and under torsional load by analytical approach in terms of the displacement components.
13p dianmotminh02 03-05-2024 4 1 Download
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Part 2 book "Transformer design principles" includes content: Electric field calculations, capacitance calculations, voltage breakdown theory and practice, high voltage impulse analysis and testing, no load and load losses, stray losses from 3D finite element analysis, thermal design, load tap changers; constrained nonlinear optimization with application to transformer design.
314p dianmotminh00 22-04-2024 4 3 Download
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The article introduces the results of calculation, evaluation, and selection of wall bricks using the Simple Additive Weighting (SAW) method with a set of criteria: static load, total thermal resistance, construction time, price, and environmental friendliness.
5p viellison 28-03-2024 3 1 Download
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The graphene oxide (GO) loaded spiky gold (AuNS) nanocomposites were prepared by electrostatic interaction between negatively-charged GO nanosheets and positively-charged AuNS by the assistance of chitosan as linker molecules. The AuNS/GO nanocomposites exhibit a red-shift in the extinction spectra and a reduction in the zeta potential compared to those of the pristine AuNS due to the presence of oxygen-containing functional groups in GO.
7p vimichaelfaraday 28-12-2023 5 3 Download
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This paper proposes a novel intelligent control algorithm in dealing with the load-frequency control problem of a two-area interconnected thermal power system. This control methodology applying a modified PID controller with three parameters tuned by a reasonable fuzzy logic inference structure.
10p vijeff 30-11-2023 5 3 Download
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This paper is a study of the vibroacoustic behavior of orthotropic laminated composite rectangular plate under a sound wave excitation in thermal environments. An improved analytical procedure has been developed that allows for an efficient solution of the finite composite plate sound transmission problem.
14p viisac 15-09-2023 2 2 Download
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Part 1 of ebook "Eco-efficient masonry bricks and blocks: Design, properties and durability" presents the following content: introduction to eco-efficient masonry bricks and blocks; the design and mechanical performance of highperformance perforated fired masonry bricks; influence of large and highly perforated fired-clay bricks in the improvement of the equivalent thermal transmittance of single-leaf masonry walls;...
249p dieptieuung 14-07-2023 6 2 Download
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In this investigation, by an analytical approach, the influence of several key parameters, especially the temperature on the sound isolation capacity of the symmetrically finite orthotropic laminated composite plate is studied.
13p viwolverine 11-07-2023 3 2 Download
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The circular plates and shallow spherical caps are assumed to be subjected to uniformly distributed thermal loads. By applying the Galerkin method, the relations between thermal load-deflection are achieved to determine the postbuckling behavior and critical buckling loads of the considered structures.
13p viwolverine 11-07-2023 3 2 Download
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This paper is a study of the vibroacoustic behavior of orthotropic laminated composite rectangular plate under a sound wave excitation in thermal environments. An improved analytical procedure has been developed that allows for an efficient solution of the finite composite plate sound transmission problem
14p viwolverine 11-07-2023 3 2 Download
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Despite the extensive use of thin-walled structures, the studies on their behaviours when exposed to extreme thermal environment are relatively scarce. Therefore, this paper aims to present the buckling analysis of thin-walled composite I-beams under thermo-mechanical loads. The thermal effects are investigated for the case of studied beams undergoing a uniform temperature rise through their thickness.
16p viwolverine 11-07-2023 4 3 Download
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An analytical investigation on the nonlinear response of doubly curved panels constructed from homogeneous face sheets and carbon nanotube reinforced composite (CNTRC) core and subjected to external pressure in thermal environments is presented in this paper. Carbon nanotubes (CNTs) are reinforced into the core layer through uniform or functionally graded distributions.
14p viwolverine 11-07-2023 6 2 Download
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Mechanistic study of hot cracking and development of new resistant Ni-based high-Cr alloy weld metal
The authors studied a novel thermal cycling test under tensile loading of the round-notched bar type specimen, using Gleeble test machine. In this kind of testing the mechanism of the DDC is thought to be different from the earlier observations and hypotheses.
6p vicedric 08-02-2023 6 3 Download
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The results of this analysis showed that comparing to other transients, a large break LOCA lead to the most severe pressurized thermal shock conditions, while the risk of SOV transients are strongly related to the re-pressurization in the pressurizer caused by the increase of water level due to the relief valve stuck open.
6p vicedric 08-02-2023 6 2 Download