Results 161 to 170 of about 6,542 (216)

Elastic Properties and Thermal Expansion Behavior of a Polycrystalline VMnFeCoNi High‐Entropy Alloy

Advanced Engineering Materials, EarlyView.
The high‐entropy alloy (HEA) V20Mn20Fe20Co20Ni20 (composition in at.%) can be made single‐phase face‐centered cubic (FCC) when annealed above 1338 K followed by water quenching. In this state, the alloy exhibits the greatest strength‐ductility combination of any quinary single‐phase FCC HEA.
Guillaume Laplanche, Marie Münchhalfen, Aditya Srinivasan Tirunilai, Jürgen Schreuer   +3 more
wiley   +1 more source

The Influence of Field‐Assisted Sintering Technology (FAST) Temperature and Cooling Rate on the Microstructural Evolution in Gamma‐Titanium Aluminide Alloy GE4822

Advanced Engineering Materials, EarlyView.
Controlling the Field Assisted Sintering Technology (FAST) parameters, dwell temperature and cooling rate, significantly influences the microstructural evolution in titanium aluminide GE4822. Significant γ‐lamellar colonies develop only upon cooling through the α‐transus.
Jack Krohn, James Pepper, Martin Jackson
wiley   +1 more source

Superlubricity and Corrosion Inhibition Properties of Solvate Ionic Liquids in Hybrid Carbon Fiber Reinforced Plastic–Steel Interfaces

Advanced Engineering Materials, EarlyView.
Solvate ionic liquids lubrication reduced the coefficient of friction by ∼60% compared to dry sliding, reaching steady‐state values as low as 0.04–0.05. Corrosion weight‐loss measurements in 1 M HCl further demonstrated significant inhibition behavior, with only 100 ppm of [Li(G3)][TFSI] (∼68.5 μL/L) reducing corrosion‐product weight loss by 63 ...
Sameh Dabees, Timothy Harte, Bhagya Dharmasiri, Y. Athulya Wickramasingha, David J. Hayne, Daniel J. Eyckens, Luke C. Henderson   +6 more
wiley   +1 more source

Model‐Guided Design of Paper Membrane Architectures for Controlled Flow and Enhanced Diagnostic Sensitivity

Advanced Engineering Materials, EarlyView.
Geometrical modifications on nitrocellulose membranes can result in observable differences in signal intensity relative to a reference membrane (top and bottom left). Using two reference experiments, we have developed a theoretical model that can reproduce the experimentally observed flow changes and provide information on membrane parameters, e.g ...
Maria Dimaki, Lea Holritz, Winnie E. Svendsen   +2 more
wiley   +1 more source

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Water Distribution Systems

IFAC Proceedings Volumes, 1986
Abstract A multilevel algorithm for finding optimal control in dynamical water distribution system, based on the idea of the aggregation and decomposition technique is discussed. We present mathematical models of the system and its elements and two main parts of the algorithm mentioned above.
R. Klempous, J. Kotowski, J. Nikodem, J. Ulasiewicz   +3 more
openaire   +1 more source

Adaptive Control for Smart Water Distribution Systems

2021 IEEE International Smart Cities Conference (ISC2), 2021
The rationalization of energy and water consumption is becoming increasingly important. Water distribution systems require energy to operate, and a consumption trade-off became a necessity. Existing water distribution systems still rely on traditional feedback control that is reactive and sub-optimal.
Mostafa Zaman, Maher Al Islam, Ashraf Tantawy, Carol J. Fung, Sherif Abdelwahed   +4 more
openaire   +2 more sources

Design of water distribution systems

2011
The chapter begins by considering the design objectives of WDSs. It describes performance indicators that can be used to drive WDS design. The chapter then introduces optimisation techniques and how they can be applied in planning and design of conventional and intermittent WDSs.
Seneshaw Tsegaye, Mohamed Mansoor, Harrison Mutikanga, Kalanithy Vairavamoorthy   +3 more
openaire   +1 more source

Water distribution systems event detection

2012 Complexity in Engineering (COMPENG). Proceedings, 2012
Since the events of 9/11 2001 in the US the world public awareness to possible terrorist attacks on water supply systems has increased dramatically, causing the security of drinking water distribution systems to become a major concern around the globe.
Lina Perelman, Jonathan Arad, Nurit Oliker, Avi Ostfeld, Mashor Housh   +4 more
openaire   +1 more source

Global Optimization of Water Distribution Systems

Proceedings of the 41st Annual Hawaii International Conference on System Sciences (HICSS 2008), 2008
Recently [1] presented a new model for the solution of the water distribution network problem. The model captured successfully the essence of the problem structure, but could not guarantee global convergence. This paper adds, to the current research track, a new model and method that can guarantee global convergence for the water network design problem.
Kaj-Mikael Björk, Lazaros G. Papageorgiou   +1 more
openaire   +1 more source

Redundancy model for water distribution systems

Reliability Engineering & System Safety, 2003
Abstract This paper presents a model, based on head driven simulation, for assessing the redundancy of water distribution systems (WDS). The formulation recognises the pressure dependency of water consumption in the solution procedure. A new algorithm for pressure dependent modelling of WDS has, therefore, been developed.
Kalungi, P., Tanyimboh, T.
openaire   +3 more sources