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Monday, May 4, 2020 | History

2 edition of application of the hydraulic analogy to certain atmospheric flow problems found in the catalog.

application of the hydraulic analogy to certain atmospheric flow problems

Morris Tepper

application of the hydraulic analogy to certain atmospheric flow problems

by Morris Tepper

  • 315 Want to read
  • 13 Currently reading

Published by U.S. Dept. of Commerce, Weather Bureau in Washington, D.C .
Written in English

    Subjects:
  • Air flow.,
  • Atmosphere.

  • Edition Notes

    Includes bibliography.

    Statementby Morris Tepper.
    SeriesResearch paper -- no. 35., Research paper (United States. Weather Bureau) -- no. 35.
    ContributionsUnited States. Weather Bureau.
    The Physical Object
    Pagination50 p.
    Number of Pages50
    ID Numbers
    Open LibraryOL16047175M

    Sect. Higher-order theories and the solitary and cnoidal waves. that is, by taking a as defined by the average line between the two characteristics in the physical plane, or the line normal to the midpoint of the corresponding characteristic epicycloid arc in the hodograph plane (see Fig. 44). PRINCIPLES OF SIPHONS D3 FIGURE 2. Simplified sketch of a siphon. Modified from Weber, White, and Manning (, p. ). The atmospheric pressure forcing liquid from A to B is diminished in the conduit by the pressure, pgh, of the column of liquid in the Cited by: 8.

    Indication of Laminar or Turbulent Flow The term fl tflowrate shldbhould be e reprepldbR ldlaced by Reynolds number,,where V is the average velocity in the pipe, and L is the characteristic dimension of a flow.L is usually D R e VL / (diameter) in a pipe flow. in a pipe flow. --> a measure of inertial force to the > a measure of inertial force to theFile Size: 2MB. Hydraulic systems are used in modern production plants and manufacturing installations. By hydraulics, we mean the generation of forces and motion using hydraulic fluids. The hydraulic fluids represent the medium for power transmission. The object of this book is to teach you more about hydraulics and its areas of application.

    The electronic–hydraulic analogy (derisively referred to as the drain-pipe theory by Oliver Lodge) is the most widely used analogy for "electron fluid" in a metal conductor. Since electric current is invisible and the processes at play in electronics are often difficult to demonstrate, the various electronic components are represented by hydraulic equivalents. Air-Water Flow in Hydraulic Structures MS () Bureau of Reclamation TECHNICAL RE 7. AUTHOR(S) Henry T. Falvey 9. PERFORMING ORGANIZATION NAME AND ADDRESS Water and Power Resources Service Engineering and Research Center PO Box Denver, Colorado ‘2. SPONSORING AGENCY NAME AND ADDRESS Same ‘5.


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Application of the hydraulic analogy to certain atmospheric flow problems by Morris Tepper Download PDF EPUB FB2

Genre/Form: Charts, diagrams, etc: Additional Physical Format: Online version: Tepper, Morris, Application of the hydraulic analogy to certain atmospheric flow problems. Application of the Analogy Between Water Flow With a Free Surface and Two-Dimensional Compressible Gas Flow Page: 7 of Application of the Analogy Between Water Flow With a Free Surface and Two-Dimensional Compressible Gas Flow.

Page: 7 of p.: by: 6. Transonic flow over two-dimensional wedge profiles may be investigated by the use of the hydraulic analogy. Keeping the water depth small the physical water flow around the wedge can be treated as a distorted dissimilar model of a corresponding prototype gas flow about the same profile and the transfer of data is effected by the application of.

HYDRAULIC CIRCUIT DESIGN AND ANALYSIS A Hydraulic circuit is a group of components such as pumps, actuators, and control valves so arranged that they will perform a useful task.

When analyzing or designing a hydraulic circuit, the following three important considerations must be taken into account: 1. Safety of operation Size: KB. flow. At a larger depth the same discharge may be delivered through the section with a smaller velocity and a higher specific energy than a critical depth.

It is known as subcritical flow. For a given value of specific energy, E1, the discharge may pass through the channel section at either depth d1 (supercritical flow) or d2 (subcritical flow). Organized into five chapters, this book first presents the methods that create a visible flow pattern that could be investigated by visual inspection, such as simple dye and density-sensitive visualization methods.

It then deals with the application of electron beams and streaming birefringence. 7 Hydraulic analysis and design Overview Hydraulic analysis is an essential prerequisite for any project involving the implementation of works in a river.

Much analysis of hydraulics – for the purpose of design – can be carried out by applying basic theory rather than resorting to numerical or physical modelling Size: 2MB.

1 Fundamentals of open-channel flow Open channels are natural or manmade conveyance structures that normally have an open top, and they include rivers, streams and estuaries. An important characteristic of open-channel flow is that it has a free surface at atmospheric pressure.

Open-channel flow can occur also in conduits with a closed top, such as. The analogy between the flow of a shallow liquid and the flow of a compressible gas; various phenomena such as shock waves occur in both systems; the analogy requires neglect of vertical accelerations in the liquid, and restrictions on the ratio of specific heats for the gas.

assumptions and fluid theory are no longer is of such flow requires consideration of different physical phenomena (see the chapter on Analytical and Computational Models for Microscale Flows in this book, Gad-el-Hak,Janson et al.,Arkilic et al.and Harley et al., ).

Liquid Flows in Microchannels File Size: 1MB. Chapter 6|Solution of Viscous-Flow Problems the velocities in order to obtain the velocity gradients; numerical predictions of process variables can also be made.

Typesof° broad classes of viscous °ow will be illustrated in this chapter: 1. Poiseuille °ow, in which an applied pressure difierence causes °uid motion between File Size: KB. BASIC HYDRAULIC PRINCIPLES OF OPEN-CHANNEL FLOW by Harvey E.

Jobson and David C. Froehlich ABSTRACT The three basic principles of open-channel-flow analysis the conserva­ tion of mass, energy, and momentum are derived, explained, and applied to solve problems of open-channel flow. These principles are introduced at aCited by: 2. A typical motion application involves a hydraulic cylinder connected to certain mechanical linkages (inertia load).

The motion of the cylinder is regulated via a valve that is used to regulate the flow rate to the cylinder.

It is well known that such systems chatter during sudden stops and starts. Can you analyze the cause and propose solutions. M pS prFile Size: KB. Analogy. For explanation an analogy to flow around a sphere is made because that behavior is well known and it relates to results of this experiment.

In laminar flow around a sphere, separation occurs at the middle of the sphere. A low pressure area on the back of the sphere is. This article provides a comprehensive overview of the physics of pressure-driven laminar flow, the formal analogy between electric and hydraulic circuits, applications of circuit theory to.

Application of Particle Image Velocimetry and Reference Image Topography to jet shock cells using the hydraulic analogy Article (PDF Available) in Experiments in Fluids 51(2) August. Open Channel Flow and Manning Equation 9. Energy, Specific Energy, and Gradually Varied Flow Momentum (Hydraulic Jump) Computation: Direct Step Method and Channel Transitions Application of HEC-RAS Design of Stable Channels Topic 8: Open Channel Flow Geomorphology of Natural Channels.

Hydraulic analogy with horizontal water flow Voltage, current, and charge. In general, electric potential is equivalent to hydraulic head. This model assumes that the water is flowing horizontally, so that the force of gravity can be ignored. In this case, electric potential is equivalent to pressure.

Alexandrou, A. () Solutions to problems in Streeter/Wylie, Fluid me-chanics, McGraw-Hill Douglas, John F () Solution of problems in fluid mechanics,Pitman Paper-backs Books which deal more with practical design problems – of more use in later semesters Chadwick, A.

and J. Morfett () Hydraulics in civil and environmental en-File Size: 1MB. much greater than the depth of flow is a good approximation to a flow with infinite width.

8 Take the x direction to be downstream and the y direction to be normal to the boundary, with y = 0 at the bottom of the flow (Figure ). By the no-slip condition, the velocity is zero at y = 0, so the velocity must increase upward in the Size: 1MB.

Figure A uniform open-channel flow: the depth and the velocity profile is the same at all sections along the flow. 12 One kind of problem that is associated with uniform flow is what the channel slope will be if discharge Q, water depth d, and bed sediment size D are specified or imposed upon the flow.

You can investigate this by building an open.Introduction to Pneumatics and Pneumatic Circuit Problems for FPEF Trainer Fluid Power Education Foundation N. Mayfair Road reference manuals and application problems, which provided much of the information in this manual; allowing atmospheric air to flow in.

With the piston at the bottom of its stroke, inletFile Size: KB.Another important concept in hydrodynamics is how fluids flow based on certain critical flow speeds or as the result of meeting restrictions to flow such as bends in the pipe or system components.

One goal in the initial design of hydraulic power transmission systems is to encourage laminar flow as much as possible since an increase in turbulence will increase flow resistance and hydraulic losses as well.