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Demand response based congestion management in a mix of pool and bilateral electricity market model

Ashwani KUMAR, Charan SEKHAR

Frontiers in Energy 2012, Volume 6, Issue 2,   Pages 164-178 doi: 10.1007/s11708-012-0187-9

Abstract: The impact of flexible alternating current transmission system (FACTS) devices viz static var compensator(SVC) and thyristor controlled series compensator (TCSC) has also been considered for demand management

Keywords: bid function     congestion management (CM)     demand response     pool+bilateral electricity market     static varcompensator (SVC)     thyristor controlled series compensator (TCSC)    

Interactive DE for solving combined security environmental economic dispatch considering FACTS technology

Belkacem MAHDAD, K. SRAIRI, B. TAREK

Frontiers in Energy 2013, Volume 7, Issue 4,   Pages 429-447 doi: 10.1007/s11708-013-0270-x

Abstract: emissions, while the second is a reactive power planning (RPP) using multi shunt FACTS device based staticVAR compensator (SVC) installed at specified buses to make fine corrections to the voltage deviation

Keywords: differential evolution     migration operator     multi-objective     flexible AC transmission systems (FACTS)     staticVAR compensator (SVC)    

Damage detection in beam-like structures using static shear energy redistribution

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 12,   Pages 1552-1564 doi: 10.1007/s11709-022-0903-4

Abstract: In this study, a static shear energy algorithm is presented for the damage assessment of beam-like structuresTherefore, the change in the static shear energy is employed to determine the damage locations in beam-likeThe static shear energy is derived from the spectral factorization of the elementary stiffness matrix

Keywords: damage detection     beam structure     strain energy     static displacement variation     energy damage index    

Expressions for Differential and Apparent Coefficients of Static Friction

Wang Weiyuan

Strategic Study of CAE 2001, Volume 3, Issue 8,   Pages 29-32

Abstract:

Recently, scientists and engineers are interested in coefficients of static friction on micro andOn macro scale, the friction force is proportional to load, the apparent coefficients of static frictiongeneral expression published in literatures to describe the relationship between the coefficients of staticIn this paper, from the definition of differential coefficients of static friction, the expressions fordifferential and apparent coefficients of static friction, 〓 and 〓 for several models are deduced.

Keywords: differential coefficients of static friction     coefficients of static friction on micro or nano scale     apparentcoefficients of static friction     coefficients of static friction on macro scale    

Static balancing of planar articulated robots

Giuseppe QUAGLIA,Zhe YIN

Frontiers of Mechanical Engineering 2015, Volume 10, Issue 4,   Pages 326-343 doi: 10.1007/s11465-015-0355-9

Abstract:

Static balancing for a manipulator’s weight is necessary in terms of energy saving and performance

Keywords: robotics     static balancing     pneumatic spring     mechanical spring     torque compensation    

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: envelope (GLE) methods, are verified in terms of their accuracy in describing the background equivalent staticBased 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    

Micromechanics model for static and dynamic strength of concrete under confinement

ZHENG Dan

Frontiers of Structural and Civil Engineering 2008, Volume 2, Issue 4,   Pages 329-335 doi: 10.1007/s11709-008-0044-4

Abstract: On the assumption that the micro fracture toughness of concrete does not vary with stain rate, the static

Keywords: comparison     different     interaction     pseudo-force     toughness    

Evaluation of the static and dynamic structural performance of segmental pre-stressed concrete box girder

Ali Fadhil NASER, Zonglin WANG

Frontiers of Structural and Civil Engineering 2013, Volume 7, Issue 2,   Pages 164-177 doi: 10.1007/s11709-013-0196-8

Abstract: methods which are used to improve the structural performance of the bridge structure, to analyze the static

Keywords: structural performance     steel plates     external pre-stressing     cracks     grouting method     static    

Micro-nanoarchitectonic of aluminum-hydrogel propellant with static stability and dynamic rheology

Frontiers of Chemical Science and Engineering 2024, Volume 18, Issue 4, doi: 10.1007/s11705-024-2404-6

Abstract: The aluminum-water system is a promising propellant due to high energy and low signal characteristics, and the gel form is easier to store and utilize. In this work, hydrogels of water and aluminum particles were prepared using the low-molecular-weight gellant agarose. The various physical properties of gel systems, including the water loss rate, phase transition temperature, and centrifugal stability at different gellant and aluminum contents, were examined. Rheological properties were assessed through shear thinning tests, thixotropy tests, strain sweep analysis, and frequency sweep experiments. The microstructure of the gel was obtained through scanning electron microscopy images. The results show that the aluminum-hydrogel network structure is composed of micron-scale aluminum and agarose nanosheets, and the unique micro-nanostructure endows the gel with excellent mechanical strength and thermal stability, which improve with increasing gellant and aluminum contents. Notably, the gel with 2% agarose and 20% aluminum had the best performance; the storage modulus reached 90647 Pa, which was within the linear viscoelastic region, and the maximum withstand pressure was 111.2 kPa, which was 118.8% greater than that of the pure hydrogel. Additionally, the gel demonstrates remarkable shear thinning behavior and can undergo gel-sol transformation upon shearing or heating to exceeding 114 °C.

Keywords: aluminum-water propellant     gelled propellant     rheological property     mechanical strength    

Combined static mixers for high viscous fluids mixing

Zhenhao XI, Weizhen SUN, Ling ZHAO, Zhaoyan LIU

Frontiers of Chemical Science and Engineering 2009, Volume 3, Issue 1,   Pages 93-96 doi: 10.1007/s11705-009-0112-x

Abstract: A new static mixer Cross-over-Disc has been invented to strip off the boundary layer and to make strongFurthermore, mixing inhomogeneity for a combination of static mixing elements (four from Cross-over-Disc

Keywords: static mixer     Cross-over-Disc     pressure drop     mixing performance     high viscous fluid    

Characteristics of metal magnetic memory signals of different steels under static tension

Yiliang ZHANG, Ruibin GOU, Jimin LI, Gongtian SHEN,

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 2,   Pages 226-232 doi: 10.1007/s11465-010-0012-2

Abstract: the characteristics of metal magnetic memory (MMM) signals of different steels during tensile test, static

Keywords: metal magnetic memory (MMM)     magnetic intensity (Hp)     static tension     weld    

Chord error constraint based integrated control strategy for contour error compensation

Tie ZHANG, Caicheng WU, Yanbiao ZOU

Frontiers of Mechanical Engineering 2020, Volume 15, Issue 4,   Pages 645-658 doi: 10.1007/s11465-020-0601-7

Abstract: chord error constraint, which consists of a cross-coupling controller and an improved position error compensatorcompensation method is further presented by combining the feed rate regulator with the position error compensator

Keywords: cross-coupling controller     contour error     tracking error     position error compensator     feed rate regulator    

An isogeometric approach to static and transient analysis of fluid-infiltrated porous metal foam piezoelectric

Frontiers of Structural and Civil Engineering 2024, Volume 18, Issue 3,   Pages 461-489 doi: 10.1007/s11709-024-1061-7

Abstract: of motion are built, then the IGA approach combined with the Navier solution is used to analyze the static

Keywords: isogeometric analysis     fluid-infiltrated porous     piezoelectric nanoplates     static and transient analysis    

Peridynamics versus XFEM: a comparative study for quasi-static crack problems

Jinhai ZHAO, Hesheng TANG, Songtao XUE

Frontiers of Structural and Civil Engineering 2018, Volume 12, Issue 4,   Pages 548-557 doi: 10.1007/s11709-017-0434-6

Abstract: Peridynamics (PD) is a nonlocal continuum theory based on integro-differential equations without spatial derivatives. The fracture criterion is implicitly incorporated in the PD theory and fracture is a natural outcome of the simulation. However, capturing of complex mixed-mode crack patterns has been proven to be difficult with PD. On the other hand, the extended finite element method (XFEM) is one of the most popular methods for fracture which allows crack propagation with minimal remeshing. It requires a fracture criterion which is independent of the underlying discretization though a certain refinement is needed in order to obtain suitable results. This article presents a comparative study between XFEM and PD. Therefore, two examples are studied. The first example is crack propagation in a double notched specimen under uniaxial tension with different crack spacings in loading direction. The second example is the specimens with two center cracks. The results show that PD as well as XFEM are well suited to capture this type of behaviour.

Keywords: XFEM     peridynamic     bilateral crack     parallel double cracks     nonlocal theory    

capping materials for controlling phosphorus and nitrogen release from contaminated sediment using a static

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 3, doi: 10.1007/s11783-021-1463-x

Abstract:

• Lanthanum modified bentonite (LMB) can effectively absorb phosphorus (P).

Keywords: Sediment     Eutrophication     Thin-layer capping     Phosphorus     Nitrogen     Aluminum-based P-inactivation agent    

Title Author Date Type Operation

Demand response based congestion management in a mix of pool and bilateral electricity market model

Ashwani KUMAR, Charan SEKHAR

Journal Article

Interactive DE for solving combined security environmental economic dispatch considering FACTS technology

Belkacem MAHDAD, K. SRAIRI, B. TAREK

Journal Article

Damage detection in beam-like structures using static shear energy redistribution

Journal Article

Expressions for Differential and Apparent Coefficients of Static Friction

Wang Weiyuan

Journal Article

Static balancing of planar articulated robots

Giuseppe QUAGLIA,Zhe YIN

Journal Article

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

Jianguo ZHANG , Ming GU ,

Journal Article

Micromechanics model for static and dynamic strength of concrete under confinement

ZHENG Dan

Journal Article

Evaluation of the static and dynamic structural performance of segmental pre-stressed concrete box girder

Ali Fadhil NASER, Zonglin WANG

Journal Article

Micro-nanoarchitectonic of aluminum-hydrogel propellant with static stability and dynamic rheology

Journal Article

Combined static mixers for high viscous fluids mixing

Zhenhao XI, Weizhen SUN, Ling ZHAO, Zhaoyan LIU

Journal Article

Characteristics of metal magnetic memory signals of different steels under static tension

Yiliang ZHANG, Ruibin GOU, Jimin LI, Gongtian SHEN,

Journal Article

Chord error constraint based integrated control strategy for contour error compensation

Tie ZHANG, Caicheng WU, Yanbiao ZOU

Journal Article

An isogeometric approach to static and transient analysis of fluid-infiltrated porous metal foam piezoelectric

Journal Article

Peridynamics versus XFEM: a comparative study for quasi-static crack problems

Jinhai ZHAO, Hesheng TANG, Songtao XUE

Journal Article

capping materials for controlling phosphorus and nitrogen release from contaminated sediment using a static

Journal Article