Ppt on surface water pump

How Organisms Exchange Gases: Simple Diffusion Gas is exchanged between respiratory medium and body fluids through diffusion across a respiratory surface.

cuticle Used primarily for respiration in water –external exposure helps increase circulation of medium across respiratory surfacewater supports weight of the gills without need for structural support Respiration in Water: Gill Ventilation Flow of water over gills is necessary for supplying oxygen –Move gill through the water (practical only for small animals) –Move water over the gill: ciliary action (bivalves) pumping devices (teleost fish and arthropods) ram/

Marine Auxiliary Machinery

loss in bearings and glands, surfaces of impeller and casing. Some impellers are highly polished to minimize friction loss. - Head loss in pumps due to shock at entry and exit to impeller vanes and eddies formed by vane edges. - Leakage loss in thrust balance devices, gland sealing and clearances between cut water and casing and bearing seals. Centrifugal pumps - losses A characteristic curve for/


create a pressure differential which allows atmospheric pressure acting on the surface of the water to force water into the fire pump. When enough air has been evacuated to reduce the atmospheric pressure inside the fire pump and intake hose a negative vacuum is created causing the water to rise into the intake hose and pump. DRAFTING The most important factor in choosing a draft site is/

Pumping Apparatus Driver/Operator — Lesson 3 Pumping Apparatus Driver/Operator Handbook, 2 nd Edition Chapter 3 — Introduction to Apparatus Inspection.

the glass. Do not use putty knives, razor blades, steel wool, or other metal objects to remove deposits from the glass. Pumping Apparatus Driver/Operator 3–18 Interior Cleaning Use warm soapy water or commercial cleaning products to clean the surfaces of seat upholstery, dashboard and engine compartment covers, and floor finishes. Use particular cleaning agents or protective dressings if specified by the/

SESSION ONE State of Ohio Class A Drinking Water Operator Certification Program This course includes content developed by the Ohio Environmental Protection.

sky The clouds produce rain and the cycle continues… SESSION ONE Hydrologic Cycle Video, courtesy NASA Precipitation Groundwater Surface Water Evaporation Condensation (Clouds) The Hydrologic Cycle SESSION ONE The Water Supply System Surface Water Sources: Reservoirs, Lakes, Rivers (57%) Groundwater Sources: Wells (43%) Water Treatment Plant Or Well/Pump House Distribution System Consumers: Homes, Trailers, Businesses SESSION ONE Well Head Protection SESSION ONE Components of a Well/

Water Pumps turbo-hydraulic pumps, positive-displacement pumps.

, valve A is closed and valves B and C are open. 5.6 Cavitation in Water Pumps One of the important considerations in pump installation design is the relative elevation between the pump and the water surface in the supply reservoir. Whenever a pump is positioned above the supply reservoir, the water in the suction line is under pressure lower than atmospheric. The phenomenon of cavitation becomes a/

Chapter No 02 Water Resources.

. Minor project: The area proposed under irrigation for these schemes is below 2000Ha and the source of water is either ground water or from wells or tube wells or surface water lifted by pumps or by gravity flow from tanks. It could also be irrigated from through water from tanks. The major and medium irrigation projects are further classified Direct irrigation method Storage irrigation method. Few/

Management of Wash Water Runoff from Pressure Washing and Vehicle Detailing BMPs for Containment and Disposal for EPA’s Cosmetic Cleaning Model Ordinance.

going to be responsible for solid wastes generated from a job. The least expensive method of collecting your dirt, sand, and debris is right off of your wash surface before it enters your wash water pumping equipment. A $20.00 broom and shovel is an inexpensive method of picking up dirt and debris. Cost & Benefits of Compliance There is going to be a/

Water Resources Chapter 13. What would you do  Exercise in the future of the Middle east  Many analysts list the 3 most serious environmental problems.

, can occur. Fig. 13-11, p. 324 SOLUTIONS Groundwater Depletion PreventionControl Waste less waterRaise price of water to discourage waste Subsidize water conservation Tax water pumped from wells near surface waters Limit number of wellsSet and enforce minimum stream flow levels Do not grow water- intensive crops in dry areas Divert surface water in wet years to recharge aquifers Science Focus: Are Deep Aquifers the Answer?  Locate the deep/

The Marine carbon cycle. Carbonate chemistry Carbon pumps Sea surface pCO 2 and air-sea flux The sink for anthropogenic CO 2.

14 16 18 pCO 2 (  atm ) Nitrate (  M ) SST (°C) MarAprMayJunJulAugSepOct Nitrate SST pCO 2 The biological (calcium carbonate) pump. This mechanism also transfers carbon from the surface ocean to the deep sea. Some of the carbon taken up by the biota in surface waters goes to form calcium carbonate. The CaCO 3 sinks to the deep sea, where some of it may re/

1 Capture Zone Analyses For Pump and Treat Systems Internet Seminar Version: September 18, 2008.

 system down time (i.e., when wells are not pumping)  time-varying influences such as seasons, tides, irrigation, or transient off-site pumping  declining well yields due to fouling (need for proper well maintenance)  Geologic heterogeneities (such as zone of higher hydraulic conductivity due to a buried paleochannel)  Hydraulic boundary conditions (such as surface water boundary or hard rock boundary) 12 Potential Negative Impacts/

Technology Oil Potential with DHOWS Downhole Oil/Water Separation  Background  Basic Operation  Development Project  Initial Results  Economics.

Uphole Injection Uphole Reinjection  Injection zone(s) above the production zone(s)  ESP DHOWS “DHOWS” with C-FER Desander Pump(s) - ESP or PCP Desander Deoiler Hydrocyclone To Surface To Injection  Problem - Heavy Oil Wells “Sand” Plugs Injection  Solution – Desanding Sand & Oil to Surface Water to Injection What Can Be Done  Reverse Coning with DHOWS  Re-Entry Drillout (Single Well)  Re-Entry Drilling (Multi/

RESPIRATION IN WATER Many small organisms obtain oxygen by diffusion through their body surface, without having any special respiratory organs and without.

their ostia and the action of flagella. Moving the water with a mechanical pump like device is more common. Fish and crabs, for example, move water over their gills in this way. As a matter of principle, it is less expensive to move water slowly over a large surface than to move water fast over a smaller surface. For some animals their own locomotion contributes to the/

522 هزر الري السطحي أ. د. فوزي سعيد عواد (2). Advantages and disadvantages of surface irrigation Advantages and disadvantages of surface irrigation Surface.

small because of the structure of the flood plain itself. With the advent of modern equipment for moving earth and pumping water, surface irrigation systems were extended to upland areas and lands quite separate from the flood plain of local rivers and streams/. With the advent of modern equipment for moving earth and pumping water, surface irrigation systems were extended to upland areas and lands quite separate from the flood plain of local rivers and streams/

The Marine carbon cycle. Carbonate chemistry Carbon pumps Sea surface pCO 2 and air-sea flux The sink for anthropogenic CO 2.

14 16 18 pCO 2 (  atm ) Nitrate (  M ) SST (°C) MarAprMayJunJulAugSepOct Nitrate SST pCO 2 The biological (calcium carbonate) pump. This mechanism also transfers carbon from the surface ocean to the deep sea. Some of the carbon taken up by the biota in surface waters goes to form calcium carbonate. The CaCO 3 sinks to the deep sea, where some of it may re/

Aquifer Nomenclature Aquifer - a geologic unit that can store and transmit water at rates sufficient enough to supply exploitable quantities of water.

. Compression of the Aquifer S is unitless Typical Values of S are 10 -3 to 10 -6 Removal of Water From Storage in an Unconfined Aquifer Surface P = 0 drop When you pump water out from an unconfined aquifer - you literally dewater the pore spaces Water drains by gravity - in accordance w/ Sy Typical Values for Sy = 10 -1 to 10 -3 Storage actually = Sy/

© 2011 Pearson Education, Inc. Water Resources Chapter 10.

1935 to 1975. Dam construction has essentially stopped in the U.S. Surface- water reservoir capacity has been about the same since 1980 (Fig. 10-16). © 2011 Pearson Education, Inc. Mining Underground Water Figure 10-17 Aquifer Depletion Pumping more water than natural recharge can replace lowers the water table. The drop is greatest where the water is being withdrawn, creating a cone of depression in the/

Cooling Systems. Jacket Water System HT/LT systems.

aid in the heat removal from the outer surface. Piston cooling Water CooledOil Cooled High specific heat capacity therefore removes more heat per unit volumeLow specific heat capacity Requires chemical conditioning treatment to prevent scaling Does not require chemical treatment but requires increased separate and purification plant Larger capacity cooling water pump or separate piston cooling pump and coolers although less so than with oil/

DRIP IRRIGATION DESIGN AND OPERATION PRINCIPLES. Introduction Localized irrigation is the slow application of water to the soil through mechanical devices.

to break down these algae particles. The residual algae can then leave the system through the emitter water passages. Another measure effective in reducing the algae problem is the use of floating suction when surface water is used. Organic growth and deposits cont. Through this arrangement, the pumped water can be taken from a depth of reduced algae growth because of reduced light. The most/

Chemistry of Water. Salinity An expression of the amount of salt in a fixed amount of seawater. An expression of the amount of salt in a fixed amount.

, where it stays for hundreds of years. Eventually, mixing brings the water back to the surface. The ocean emits CO2 into the atmosphere in tropical areas. This system of deep ocean currents is a “physical pump” for carbon, it helps pump carbon from the atmosphere into the sea for storage. 2. Biological Pump: due to Phytoplankton converting CO2 into carbohydrates from photosynthesis. Animals eat phytoplankton/

Objective At the end of this session you will able to describe What is pump Application of pump Classification of pump Centrifugal pump Reciprocating pump.

pump or compressor. Circulating water pump - also called a cooling water pump. It is used to pump water through a heat exchanger such as a condenser or an oil cooler. Chemical feed pump - small capacity units are used to pump chemicals into boilers: larger units are used as process pumps. Fire pump - used to supply water to plant fire lines. Domestic water pump - used to supply water to plant washrooms, etc. Classification of Pump Pumps/ on metallic surface high pressure is produced and surface subjected to /


static pressure at A are zero. Similarly the total head at the free surface in the higher reservoir is (H A +H S ) and is equal to the elevation of the free surface of the reservoir above the reference datum. The liquid enters the intake pipe /head to the head actually generated by the impeller. The overall efficiency :- It is the ratio of the work done by the pump in lifting water against gravity and friction in the pipes to the energy supplied by the motor. mechanical efficiency:- It is the ratio of the/

Flow in Channels ( 수로흐름 ) Pipe (closed channel) flow ( 관수로 흐름 ): No free-surface flow (fluid-full), pressurized, flow driven by pressure difference (piezometric.

between two reservoirs Commonly, local gradual changes are simplified as abrupt changes. Class quiz) What is the elevation of the water surface in the upper reservoir if Q=0.15m 3 /s? and draw the EGL and HGL (Prob 10.97) Open channel flow (uniform flow)/ of cavitation  Class quiz) The pump below delivers 2cfs flow of 80 o C water and the intake pipe diameter is 8 in. The pipe length bet. pipe inlet and pump intake is 10 ft. The pump intake is located 6 ft above the water surface level in the reservoir. What is /

WATER QUALITY ASSESSMENT AND POLLUTION CONTROL WMA 318 Prof. O. Martins and Dr O.Z. Ojekunle Dept of Water Res. Magt. & Agromet UNAAB. Abeokuta. Ogun State.

supplies are very deep, and pollutants may be filtered out by layers of soil, sand, and gravel. As people pump and use water from these underground aquifers, the water must be replaced. Aquifers are replenished or recharged by water seeping down through the soil from surface water supplies. In some parts of the country, groundwater supplies are very deep, and pollutants may be filtered out by/

Introduction Basic concepts of vacuum Vacuum Hardware (pumps, gauges) Mass Spectrometry OUTLINE VACUUM PUMPS AND HARDWARE 1.

10 -3 ML /second of released gas, principally water vapor 48 Desorption How important is the molecule/surface interaction energy? H2OH2O N2N2 Rate of desorption Simple model /water cooling P u : 10 -9 mbarS: 20 ÷ 600 l/s Starting operating pressure: 10 -2 mbar The pumping speed and the pressure strongly depends on oil type 79 Getter pumps The active material is sublimated by thermal heating Sublimation getters - Gas-surface chemical interaction - Chemisorption - Solution of gas inside material Pumping/

So you want a fish pond or water garden.. Useful Formulas Pond liner sizing: Measure the hole that you have excavated. Add twice the depth plus 2 feet.

the day, they absorb it again at night. Oxygenation is best achieved using a pond pump. Planting Depth: up to 18" Deep Water Plants - These plants have leaves that float on the surface and roots that are firmly placed in containers on the bottom of the pond. Water lilies are generally the best known aquatic plant. They are available in an enormous assortment of/

Introduction to Concrete

used for site mixed concrete Workability Considerations – how fluid? Method used for placing determines workability requirements Workability depends on water content & aggregate shape and size Higher workability is more expensive - due to extra cement req. May be /placed Rate at which concrete is to be placed Site access and ground surface conditions Clearances required for the moving equipment Maximum aggregate size specified (pump mix – smaller agg.) Ensuring that the compacting equipment will be able /

Well Design PE 413 Surface Equipments and Placement Techniques

of propellers, paddle mixers, pneumatic mixing, and rotation of the cement tank Surface Cementing Equiments Pump Skid Truck The typical slurry-pumping unit is truck-mounted, and contains diesel engines and displacement tanks that are accurately graduated so that water or mud volumes can be controlled to place the slurry downhole properly. Surface Cementing Equiments Cement Head Downhole Cementing Equipments Basic Equipments A predetermined volume/

Water Chapter 14 Water.

dots are wells that have gone dry. Figure 14-9 1986 2004 Groundwater Depletion Solutions Groundwater Depletion Prevention Control Waste less water Raise price of water to discourage waste Subsidize water conservation Ban new wells in aquifers near surface waters Tax water pumped from wells near surface waters Buy and retire groundwater withdrawal rights in critical areas Figure 14.12 Solutions: ways to prevent or slow groundwater depletion by/

High Capacity Wells and Groundwater Frac Sand What you need to know to get your permits Dave Johnson Groundwater Section Bureau of Drinking Water and Groundwater.

significant adverse environmental impact – Specify minimum distance to protected resource – Maximum allowable daily water withdrawal – Reduction in pumping at certain times of year – Pumping schedule restrictions – e.g. every other day, monthly limits – Reduce pumping from other wells on property – Well construction details – deepen, casing into separate aquifer – Monitoring of groundwater and surface water resources – Pumpage Reporting – continuous with telemetric access – Reopen approval based on future/


at the maximum dose, and Are impurities below the maximum acceptable levels? NSF approved sodium hypochlorite Disinfection Requirements for Surface Water Surface Water Treatment Rule (SWTR) requires 3-log reduction of Giardia using a combination of disinfection and filtration 2.0 to/ would be looking at and determining the contact time T for. Tracer studies (continued): Different methods: If water is pumped from the clearwell at different rates depending on time of year, do tracer study at each of those flow/

Chapter 11 Water Remember to write the slides that show the clipboard symbol. Examples written in italics do not need to be written down. We will just.

manufacture goods, to dispose of wastes, & to generate power. Most water used in industry is used to cool power plants. Power-plant cooling systems usually pump water from a surface water source such as a river or a lake, carry the water through pipes in a cooling tower, & then pump the water back into the source. The water that is returned is usually warmer than the source, but is/

Module 14: Conventional Filtration

a filter. Process Support Equipment Plant operators must operate and maintain support equipment in accordance with manufacturer’s recommendations:  Filter control valves Backwash and surface wash pumps Chemical feed pumps Air scour blowers Flow meters and level/pressure gauges Water quality monitoring equipment (turbidimeters) Process monitoring equipment (head loss and filter level) Sludge drying: Sludge drying beds and sludge filter presses Discuss chemical feed/


thickeners based on gravidity (primary mud: diameter 27m and 3m height). Its functioning is similar to decanters functioning, the scraper sweeps the bottom instead of the surface. MUD EXTRACTION PUMPS » Gravidity thickeners » Mud extraction pumps in thickeners Water Treatment Plants PROCESS DESCRIPTION – MUD LINE 1. THICKENER - FLOATER MUD SEPARATION AND BIOLOGIC MUD: Before make themselves thick, the mud must suffer a sifting process to/

Water Contaminants Soluble Contaminants - dissolve in water Particulates/Colloids - carried by the water column Insoluble Contaminants - very low solubility.

and chlorine treatment tanks Aeration tanks - oxygen is pumped into the water Artificial Wetlands Water Table DNAPL Non-Aqueous Phase Liquid (NAPL) Contamination DNAPL LNAPL Groundwater Remediation Surface Water is easily accessible for treatment Groundwater is inaccessible –removal by pumping –in situ treatment (i.e. in place) Dissolved Phase Plume Pump and Treat (PAT) Pump water to surface Treat water Reintroduce treated water Air Stripping Air stripping is the process of forcing/

Geothermal Heat Pumps For School Applications

console units Outdoor air pretreatment (see below) Site Characterization: evaluation of site’s geology, hydrogeology, and other characteristics Presence or absence of water Determines whether groundwater or surface water heat pumps can be used Depth to water Affects drilling costs for open loop GWHP Water (or soil/rock) temperature Affects required flow rate (open loop GWHP) or heat exchanger length (closed loop systems) Site Characterization (continued/

Water Beneath the Surface

limestone Evidence of groundwater erosion seen at the surface US = limestone Kentucky, Florida, Tennessee, soutern Indiana, Alabama Lack of streams Sinkholes Karst areas have sinkholes = depression because groundwater has removed soluble rock Some happen gradually, some happen suddenly Environmental Problems Land Subsidence = large amounts of groundwater have been withdrawn Groundwater supplies are finite Water pumped from wells faster than it can be replaced/

Making Water flow from the Sun

: PMDC Motors : 8,000 units AC motors & Geared motors : 20,000 units Surface pumps : 2,000 units Submersible pumps : 3,000 units Inhouse R & D and quality assurance Pump testing set up Sophisticated testing facilities for Solar pumps Automatic testing and plotting of pump performance curves Solar PV simulator for automatic computation of water output/day Global reach of Rotomag products Quality validated by TOP European customers/

Capillary wave turbulence at the charged surface of liquid hydrogen M.Yu. Brazhnikov, A.A. Levchenko, L.P. Mezhov-Deglin, Institute of Solid State Physics.

k p is the characteristic scale of pumping, k b is the viscous scale (short-wave edge of the inertial range). The observed spectra of capillary waves on the liquid surface (experiments with water in a cell placed on a vibrating/, R. Hiller and S. Putterman, J.Acoust. Soc. Am., 92, 2360 (1992). Previous studies of capillary turbulence on the surface of water Scheme of registration of the surface oscillations Time dependence of the registered signal P(t); the driving frequency is equal to  /2  = 27.5 Hz. /

Active Water Resource Management in the Lower Rio Grande

Problem: Heavy Reliance on Groundwater While Instituting Few Controls on it Groundwater and surface water are closely linked Pumping reduces river flow Surface water rights are generally senior The Problem: Claims that New Mexico Groundwater Pumping is Affecting Surface Water Flows The Rio Grande Project Holds a Senior Surface Water Right Risks to the State and New Mexico Water Users Interstate stream disputes are decided by the U.S. Supreme Court/

Pumping Apparatus Driver/Operator

The strainer must be submerged at least 2 feet (0.6 m) below the surface of the water. The surface of the water may be no more than 10 feet (3 m) below the centerline of the pump intake, and 20 feet (6 m) of hard intake hose should be used for/100ºF (-18ºC and 38ºC). The water being used for testing should be between 35ºF and 90ºF (2ºC and 32ºC) because hotter water has less surface tension and could affect test results. (Continued) Pumping Apparatus Driver/Operator Site Considerations for Pumper Service /

What substances need transporting in plants?

this can diffuse into the leaf This means water is lost through the open stomata If water is being lost too quickly the stomata may be closed Leaves also wilt giving less surface area to lose water Transpiration can also be important in cooling plant /end of the xylem can be increased Cells surrounding the xylem in the roots pump mineral ions into the xylem by active transport This lowers the water potential and more water enters the xylem from the cells by osmosis Hydrostatic pressure increases This is not/

1 UNDERSTANDING RIPARIAN AND WATER RIGHTS Walter G. Wright, Jr. Mitchell, Williams, Selig, Gates & Woodyard, P.L.L.C. Little Rock, Arkansas

surface water supplies Water quality is generally good Groundwater supplies are abundant, but:  2010 demand was 8.7 million acre-feet per year  It is projected to grow by 2050  Groundwater can supply only 1.9 million acre-feet per year at a sustainable pumping / General was asked to provide an opinion as to whether a watershed district had the authority to sell large volumes of surface water from a lake, a tributary to a lake and any parish stream outside a national forest. The following questions were /


type Starting operating pressure: 10-2 mbar S: 20 ÷ 600 l/s Pu: 10-9 mbar Disadvantages gas reaction Liquid vapor tension Contamination Needs water cooling Advantages No saturation Heavy duty Low cost Getter pumps Pumping mechanism - Gas-surface chemical interaction - Chemisorption - Solution of gas inside material Sublimation getters Non evaporable getters The active material is sublimated by thermal heating The active material is/


Survey) High Moderate Minor or none Fig. 11-8, p. 244 Solutions Groundwater Depletion Prevention Control Waste less water Raise price of water to discourage waste Subsidize water conservation Tax water pumped from wells near surface waters Figure 11.9: Ways to prevent or slow groundwater depletion by using water more sustainably. Questions: Which two of these solutions do you think are the most important? Why? Limit number/

Introduction to Lake Surveys Basic Water Quality Assessment

for collecting contaminants and bacteria (while wearing clean and sterile gloves). This is a good method to use to sample a surface algal scum. Water sampling – pumps Pump types Peristaltic pumps Bilge pumps and submersible pumps are also sometimes used http://www.forestry-suppliers.com Water sampling – pumps Advantages Greater volumes at discrete depths Shallow lake sampling without disturbing sediments Samples from depth can be collected with little or/

Chapter 3: Cellular Form and Function

second messengers (cAMP) inside of the cell Channel Proteins Integral proteins that form pores (channels) for passage of water or solutes Some channels are constantly open Gated-channels open & close in response to stimuli ligand-regulated gates: /beat in waves, sequential power strokes followed by recovery strokes Chloride pumps produce saline layer at cell surface. Floating mucus pushed along by cilia. Cystic Fibrosis Chloride pumps fail to create adequate saline layer Sticky mucus plugs pancreatic ducts /

Functions of a Pump  Transfer fluid between two points.  Produce required flow rate.  Produce required pressure.

and other parts.  Corrosion, Cavitation, and Erosion are generally accompanied by a wasting away of the impeller and vane surfaces. Where attack is severe, the thinned sections may have holes through them or may warp and deflect. Badly worn or /discharge valve closed and zero discharge, the head will be three times and power doubled. Causes water hammer. Axial Flow Pump Mixed Flow Pump Positive Displacement Pumps.  Liquid or gas displaced from suction to discharge by mechanical variation of the volume of /

9.2.1-9.2.3 Roots. IB Assessment Statement 9.2.1 – Outline how the root system provides a large surface area for mineral ions and water intake by means.

provides minerals such as nitrates. Fungal hyphae form a network (mycelium) that increases the surface area within the root to concentrate minerals. – Mass flow of soil water (minerals solutions). Mass flow is a hypothesis to explain the movement of solute by means/the soil by active transport 1. Unlike animal cell there are no potassium-sodium pumps in the cell membranes of plant cells. Rather there are proton pumps which pump protons ( H+) outside of the cell. This creates an electro-negative charge within/

Griner Drilling Service Pump Repair and Maintenance.

developed from actual flow tests: What information can we gather? Current capacity? Current capacity? Current water levels? Current water levels? Status of the pump? Status of the pump? A short-term and/or long-term budgeting plan to give to your mayor, public works /. This should always be pressure washed and inspected closely. Poor jamb surfaces, threads, or pitting can lead to premature pump failure. A pit, or washed out spot, on a jamb surface will lead to erosion of the threads and eventually a hole in /

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