Results 61 to 70 of about 266 (220)
Empirical Modeling of Flow Characteristics in Stepped Spillways [PDF]
Journal of Applied Fluid MechanicsPresent comprehensive study integrates experimental analysis of geometrically different stepped spillway with empirical modeling to optimize uncertain flow conditions.
P. Dharmadhikari, S. Gandhi
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SCOUR CHARACTERISTICS DOWNSTREAM CONVERGING SPILLWAYS [PDF]
The Egyptian International Journal of Engineering Sciences and Technology, 2016 Flow over spillways or underneath gates has a tremendous amount of potentialenergy, which is converted into kinetic energy downstream control structures.
N Taha, M Fahmy, A Habib
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Advanced Energy Materials, EarlyView.This work presents an Os/FeP heterostructure catalyst with EMSI and successfully utilizes the BEF to further modulate electron transfer through Os‐P‐Fe channels, proving an effective approach of developing low‐cost electrocatalysts with remarkable HER activity in ampere‐level seawater electrolysis. ABSTRACT Developing cost‐effective and robust hydrogen
Qing Liu +13 more
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Evaluating the Effect of Anti-Vortex Plates on Discharge Coefficient in Short Throat Shaft Spillway [PDF]
Journal of Hydraulic and Water EngineeringKnowing more about the flow behavior of short-stepped shaft spillways helps to use this structure better and more efficiently. Moreover, using a vortex breaker greatly affects passing flow through Shaft Spillway. For use more efficiently, the risk of the
Roozbeh Aghamajidi
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Sustainable Productivity Growth in Agriculture: The Role of Shifts in R&D Investments and Technology
Applied Economic Perspectives and Policy, EarlyView.ABSTRACT The objective of the paper is to evaluate the long‐term prospects of sustainable productivity growth linked to plausible assumptions on public agricultural R&D investments as the key productivity driver. Second, it investigates the role of changing R&D focus from yield maximization to input saving technologies (fertilizers and pesticides). The
Zuzana Smeets Křístková +4 more
wiley +1 more source
The effect of gabion steps on the hydraulic jump characteristics downstream of stepped spillways
Water ScienceGabion steps on stepped spillways can be a suitable alternative to solid impermeable steps due to their economic advantages, ease of implementation, stability through water pressure reduction, and energy dissipation.
Rasoul Daneshfaraz +3 more
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Dynamic Pressure Fluctuations in Stepped Three-Side Spillway [PDF]
Iranica Journal of Energy and Environment, 2012 One type of outlet works in dams are Three-side spillways that despite of their hydraulic limitations and construction problems, they were being selected, in storage dams, as best option under specific topographical conditions. Considerable energy losses
Hamed Taghizadeh +2 more
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Keeping Pace or Falling Behind? The Depth of Latin American Trade Agreements
Applied Economic Perspectives and Policy, EarlyView.ABSTRACT This article examines whether Latin American countries are keeping pace with global trends in trade agreement depth or falling behind. Using 681 agreements (1970–2019), we develop the Depth Index of Trade Agreements (DITA) to weight provisions endogenously through factor analysis based on co‐occurrence patterns.
Raphael Gomes da Silva +2 more
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Experimental and numerical simulation of flow over stepped spillways
Applied Water Science, 2018 Stepped spillways are used in the construction of dams, river engineering and soil conservation projects. Energy dissipation in this structure due to the presence of several steps is high, so the construction costs for stilling basin are reduced.
Farzin Salmasi, Aylar Samadi
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Jet Flow on Stepped Spillways [PDF]
Journal of Hydraulic Engineering, 1995 The authors provided interesting data on stepped spillway flows. The writer would like to add some information on flow resistance of skimming flows and discuss the energy dissipation on stepped chutes. It will be shown that the author's results are not dissimilar with results previously obtained by other researchers (table A1).
openaire +3 more sources