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Calculation method of load distribution on pipe threaded connections under tension load

Shoujun CHEN, Lianxin GAO, Qi AN

Frontiers of Mechanical Engineering 2011, Volume 6, Issue 2,   Pages 241-248 doi: 10.1007/s11465-011-0219-x

Abstract:

This paper presents a new calculation method that can calculate the load distribution on pipe threadedconnections under tension load.the new method on the sample of P-110S pipe threaded connection, the obtained results show that the loadThe model offers a new way to calculate the loads carried on the thread teeth under tension load.

Keywords： load distribution     calculation method     pipe threaded connections     tension load    

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Comparison of optimal capacitor placement methods in radial distribution system with load growth andZIP load model

Veera Venkata Satya Naryana MURTY, Ashwani KUMAR

Frontiers in Energy 2013, Volume 7, Issue 2,   Pages 197-213 doi: 10.1007/s11708-013-0249-7

Abstract: index-based approach is proposed to determine the optimal location of the capacitors in the radial distributionFurthermore, the load growth factor has been considered in the study which is essential for the planningand expansion of the existing systems, whereas the impact of the realistic load model as ZIP load model

Keywords： load growth     load models     reactive power compensation     radial distribution system     power loss index (PLI)    

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A novel power system reconfiguration for a distribution system with minimum load balancing index using

K. Sathish KUMAR, T. JAYABARATHI

Frontiers in Energy 2012, Volume 6, Issue 3,   Pages 260-265 doi: 10.1007/s11708-012-0196-8

Abstract: In this paper, the objective of minimum load balancing index (LBI) for the 16-bus distribution systemWith the proposed reconfiguration method, the radial structure of the distribution system is retained

Keywords： bacterial foraging optimization algorithm (BFOA)     distribution system     network reconfiguration     load balancing    

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Reactive power deployment and cost benefit analysis in DNO operated distribution electricity markets

Atma Ram GUPTA,Ashwani KUMAR

Frontiers in Energy 2019, Volume 13, Issue 1,   Pages 86-98 doi: 10.1007/s11708-017-0456-8

Abstract: The aim of this paper is to analyze unbalanced radial distribution systems (UBRDS) with the distributionobjective of providing reactive power support to enhance voltage profile and reduce line losses of the distributionThe analysis is conducted on a large industrial load model with light, medium and high loading scenariosFurther, the impact of load growth is also considered for better planning of the power distribution system

Keywords： unbalanced distribution system     D-STATCOM     voltage sensitivity index     load models     load growth     distribution    

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Distribution of background equivalent static wind load on high-rise buildings

Jianguo ZHANG , Ming GU ,

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 3,   Pages 241-248 doi: 10.1007/s11709-009-0036-z

Abstract: In this paper, the along-wind and cross-wind fluctuating load distributions along the height of high-riseSome typical methods proposed in some relative literatures, i.e., load-response correlation (LRC), andquasi-mean load (QML) and gust load envelope (GLE) methods, are verified in terms of their accuracyin describing the background equivalent static wind load distribution on high-rise buildings.Based on the results, formulae of the distribution of background equivalent static load on high-rise

Keywords： high-rise buildings     along-wind     cross-wind     background equivalent static wind load     close formulae    

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Estimation of load and resistance factors using the third-moment method based on the 3P-lognormal distribution

Yan-Gang ZHAO, Zhao-Hui LU

Frontiers of Structural and Civil Engineering 2011, Volume 5, Issue 3,   Pages 315-322 doi: 10.1007/s11709-011-0117-7

Abstract: Load and resistance factors are generally obtained using the first order reliability method (FORM) inarticle, the third-moment reliability index, based on the three-parameter lognormal (3P-lognormal) distributionA simple method based on the third-moment method for estimating load and resistance factors is then proposedUnlike the currently used method, the proposed method can be used to determine load and resistance factorsThus, the method provides a more convenient and effective way to estimate load and resistance factors

Keywords： load and resistance factors     third-moment method     three-parameter lognormal (3P-lognormal) distribution    

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A Precision-Positioning Method for a High-Acceleration Low-Load Mechanism Based on Optimal Spatial andTemporal Distribution of Inertial Energy Article

Xin Chen,Youdun Bai,Zhijun Yang,Jian Gao,Gongfa Chen

Engineering 2015, Volume 1, Issue 3,   Pages 391-398 doi: 10.15302/J-ENG-2015063

Abstract:

High-speed and precision positioning are fundamental requirements for high-acceleration low-load mechanismsfor the precision positioning of a high-acceleration mechanism based on optimal spatial and temporal distributionusing equivalent static loads method (ESLM), and then we selected the modified ESLM for optimal spatial distributionmethod provides an effective theoretical support for the precision positioning of high-acceleration low-load

Keywords： high-acceleration low-load mechanism     precision positioning     spatial and temporal distribution     inertial    

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A new technique for islanding operation of distribution network connected with mini hydro

J. A. LAGHARI,H. MOKHLIS,M. KARIMI,A. H. A. BAKAR,Hasmaini MOHAMAD

Frontiers of Information Technology & Electronic Engineering 2015, Volume 16, Issue 5,   Pages 418-427 doi: 10.1631/FITEE.1400309

Abstract: An islanding operation of a distribution network is a topic of interest due to the significant penetrationHowever, controlling the frequency of an islanded distribution system remains an unresolved issue, especiallywhen the load exceeds the generation.load shedding according to load priority.The proposed technique is validated on an 11 kV existing Malaysia distribution network.

Keywords： Islanding operation     Mini hydro     Distributed generation (DG)     Islanding detection     Load shedding    

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Dynamic Setting Automatic Control System for Flatness and Gauge

Zhang Jinzhi,Duan Chunhua

Strategic Study of CAE 2000, Volume 2, Issue 6,   Pages 67-72

Abstract: acute;s characteristics is that shape and gauge close-circuit control is achieved by means of static loaddistribution, dynamic load distribution and dynamic setting Automatic Gauge Control (AGC), and Bellman

Keywords： dynamic load distribution     shape optimal schedule     dynamic programming     dynamic setting    

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Estimation of composite load model with aggregate induction motor dynamic load for an isolated hybrid

Nitin Kumar SAXENA,Ashwani Kumar SHARMA

Frontiers in Energy 2015, Volume 9, Issue 4,   Pages 472-485 doi: 10.1007/s11708-015-0373-7

Abstract: The composite load is a combination of the static and dynamic load model.To develop this composite load model, the exponential load is used as a static load model and inductionmotors (IMs) are used as a dynamic load model.This aggregate model is used as a dynamic load model.exponential model of static load and for the fifth and third order IM dynamic load model using state

Keywords： isolated hybrid power system (IHPS)     composite load model     static load     dynamic load     induction motor loadmodel     aggregate load    

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Outline of Strip Rolling Technological Control Theory

Zhang Jinzhi

Strategic Study of CAE 2001, Volume 3, Issue 4,   Pages 46-55

Abstract:

Classical rolling theory, which is based on the law of the lowest resistance,the condition of constant volume and the condition of equal flow per second,has formed a fairly integrated rolling applied technology science system by means of experiment and deduction. This system reflects only the static law of rolling process,so it is necessary to control dynamic rolling process by drawing high and new technology such as cybernetics, information theory and computer science into the system.During the history of rolling theory, classical rolling theory based on mechanics took the lead before the establishment of spring equation, after that the rolling process control theory based on mechanics and cybernetics took precedence. In this paper,the concept of technological control theory is put forward. A new theory system, which is based on fundamental rolling technology control theory, is set up. Its main content included：the tension theory system in continuous rolling, which reflects the negative feedback effect of tension, is set up;disturbance survey problem is settled in gauge control process;shape theory system, which resembles gauge control theory,by defining dual parameter,is established.

Keywords： rolling     gauge control     shape stiffness     spring equation for rolling mill     comprehensive equal reserves for loaddistribution    

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A practical multi-lane factor model of bridges based on multi-truck presence considering lane load disparities

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 4,   Pages 877-894 doi: 10.1007/s11709-021-0756-2

Abstract: bridge design specifications consider multi-lane factors (MLFs) a critical component of the traffic loadanalysis demonstrated the significant influence of lane disparity of truck traffic volume and truck weight distributionapproach, the experimental site study yielded MLFs comparable with those directly calculated using traffic loadcaused the proposed approach, existing design specifications, and conventional approach of ignoring lane load

Keywords： bridges     multi-lane factor     traffic load     lane load disparity     multi-truck presence     weigh-in-motion    

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Shape design of arch dams under load uncertainties with robust optimization

Fengjie TAN, Tom LAHMER

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 4,   Pages 852-862 doi: 10.1007/s11709-019-0522-x

Abstract: The optimization of an arch-type dam is realized here by a robust optimization method under load uncertaintyThe load uncertainty is modeled as an ellipsoidal expression.

Keywords： arch dam     shape optimization     robust optimization     load uncertainty     approximation model    

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Prediction of bed load sediments using different artificial neural network models

Reza ASHEGHI, Seyed Abbas HOSSEINI

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 2,   Pages 374-386 doi: 10.1007/s11709-019-0600-0

Abstract: based function (RBF), and generalized feed forward neural network using five dominant parameters of bed load

Keywords： bed load prediction     artificial neural network     modeling     empirical equations    

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A method to predict cooling load of large commercial buildings based on weather forecast and internal

Junbao JIA,Jincheng XING,Jihong LING,Ren PENG

Frontiers in Energy 2016, Volume 10, Issue 4,   Pages 459-465 doi: 10.1007/s11708-016-0424-8

Abstract: characteristics of the higher density and randomness, this paper presented an air-conditioning cooling loadlinear feedback regression model was applied to predict, with precision, the air conditioning cooling loadCase analysis showed that the largest mean relative error of hourly and the daily predicting cooling load

Keywords： commercial building     load prediction     multiple linear regression    

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Title Author Date Type Operation

Calculation method of load distribution on pipe threaded connections under tension load

Shoujun CHEN, Lianxin GAO, Qi AN

Journal Article

Comparison of optimal capacitor placement methods in radial distribution system with load growth andZIP load model

Veera Venkata Satya Naryana MURTY, Ashwani KUMAR

Journal Article

A novel power system reconfiguration for a distribution system with minimum load balancing index using

K. Sathish KUMAR, T. JAYABARATHI

Journal Article

Reactive power deployment and cost benefit analysis in DNO operated distribution electricity markets

Atma Ram GUPTA,Ashwani KUMAR

Journal Article

Distribution of background equivalent static wind load on high-rise buildings

Jianguo ZHANG , Ming GU ,

Journal Article

Estimation of load and resistance factors using the third-moment method based on the 3P-lognormal distribution

Yan-Gang ZHAO, Zhao-Hui LU

Journal Article

A Precision-Positioning Method for a High-Acceleration Low-Load Mechanism Based on Optimal Spatial andTemporal Distribution of Inertial Energy

Xin Chen,Youdun Bai,Zhijun Yang,Jian Gao,Gongfa Chen

Journal Article

A new technique for islanding operation of distribution network connected with mini hydro

J. A. LAGHARI,H. MOKHLIS,M. KARIMI,A. H. A. BAKAR,Hasmaini MOHAMAD

Journal Article

Dynamic Setting Automatic Control System for Flatness and Gauge

Zhang Jinzhi,Duan Chunhua

Journal Article

Estimation of composite load model with aggregate induction motor dynamic load for an isolated hybrid

Nitin Kumar SAXENA,Ashwani Kumar SHARMA

Journal Article

Outline of Strip Rolling Technological Control Theory

Zhang Jinzhi

Journal Article

A practical multi-lane factor model of bridges based on multi-truck presence considering lane load disparities

Journal Article

Shape design of arch dams under load uncertainties with robust optimization

Fengjie TAN, Tom LAHMER

Journal Article

Prediction of bed load sediments using different artificial neural network models

Reza ASHEGHI, Seyed Abbas HOSSEINI

Journal Article

A method to predict cooling load of large commercial buildings based on weather forecast and internal

Junbao JIA,Jincheng XING,Jihong LING,Ren PENG

Journal Article