Water Surface Raising Loop
Water Surface Raising Loop - Related Videos
09:38
Dissolved Oxygen in Surface Water
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2023
Source: Laboratories of Margaret Workman and Kimberly Frye - Depaul University Dissolved oxygen (DO) measurements calculate the amount of gaseous oxygen dissolved in surface water, which is important to all oxygen-breathing life in river ecosystems, including fish species preferred for human consumption (e.g. bluegill and bass), as well as decomposer species critical to the recycling of biogeochemical materials in the system. The oxygen dissolved in lakes, rivers, and oceans is crucial for the...
04:35
Preparation of Free-Surface Hyperbolic Water Vortices
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Cited by 6 •
2023
This paper describes how three different water vortex regimes in a hyperbolic Schauberger funnel can be created, their most important characteristics, and how associated parameters such as the oxygen transfer rates can be calculated.
09:41
Turbidity and Total Solids in Surface Water
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2023
Source: Laboratories of Margaret Workman and Kimberly Frye - Depaul University Turbidity and total solids are related measurements addressing clarity of surface waters. Turbidity is an indirect measure of water clarity that determines the amount of light that can pass through the water. Total solids is a direct measurement of solid particles suspended in water determined by weight. High levels of turbidity and total solids are caused by soil erosion, waste discharge, runoff, or changes in...
07:25
Detection of Phytophthora capsici in Irrigation Water using Loop-Mediated Isothermal Amplification
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Cited by 4 •
2020
We developed a method to detect Phytophthora capsici zoospores in water sources using a filter paper DNA extraction method coupled with a loop-mediated isothermal amplification (LAMP) assay that can be analyzed in the field or in the lab.
17:15
Catheterization of Intestinal Loops in Ruminants
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Cited by 5 •
2009
We describe a novel surgical method for catheterizing 'intestinal loops' within the ileum of sheep. Once animals have recovered from surgery and have cleared antibiotics and analgesics, multiple treatments can be deposited directly in loops via the catheters.
FAQs
Pressure head and discharge change the hydraulic gradient and therefore the local flow conditions. If geometry or resistance causes the adjusted flow to support a higher water-surface elevation, the elevation change can feed back into the system rather than dissipate. Engineers examine this interaction to determine whether a disturbance is self-reinforcing under the stated boundary conditions.
Boundary conditions determine how an elevation change affects the hydraulic gradient, discharge, and redistribution of flow. A loop is more likely to reinforce a rise when those constraints allow the modified flow state to produce another increase in surface elevation. Testing alternative boundary conditions helps distinguish reinforcing behavior from a response that settles or changes direction.
Channel or conduit geometry determines how water levels and flow respond to changed hydraulic conditions, while flow resistance influences the resulting discharge and pressure relationship. Considering them separately can obscure the feedback between elevation and flow. Joint analysis supports more reliable evaluation of backwater effects, drainage performance, and whether a hydraulic structure remains stable.
Begin by identifying the initial and changing water-surface elevations, then relate those changes to pressure head, discharge, hydraulic gradient, geometry, and flow resistance. Next, evaluate how flow redistributes under the relevant boundary conditions and whether that redistribution produces another elevation increase. This sequence helps characterize transient response and detect reinforcing behavior before assessing design implications.
Engineers apply the analysis when evaluating water-level control, drainage performance, or the response of hydraulic structures to changing flow conditions. It is also relevant when estimating potential flooding and backwater effects, where an elevation change may alter discharge or flow distribution. The assessment can support safer designs and improve predictions of system response over time.
Analysis can reveal whether a water-surface disturbance is likely to amplify, settle, or alter flow distribution under specified conditions. That information connects local hydraulic changes with concerns such as flooding, backwater behavior, drainage, and structural stability. Engineers can use the outcome to compare design conditions and identify situations requiring closer water-level control or further evaluation.