pipe sizing for cold water supply

Ngày tải lên: 22/03/2014, 16:22

Ngày tải lên: 27/03/2015, 13:56

Ngày tải lên: 27/03/2015, 15:29

Ngày tải lên: 13/08/2012, 13:51

... the basin basis Here, for the wastewater flow calculation, daily water usage and population density was taken as 250 l/s and 200 person/ha respectively The formula used for the calculation and ... the newly planned wastewater lines, attribute tables were formed In these tables, radius and distance of the lines are also defined clearly Catchments of wastewater lines formed and hydraulic calculations ... Existing wastewater interceptor data Planned wastewater interceptor data Existing stream data Planned channel data Calculation data General Directorate of Istanbul Water and Wastewater Administration...

Ngày tải lên: 05/09/2013, 08:40

... 3.84%, so the water supply requirement can be satisfied Fig.4 - The Outlet Flow for Each Pump Station of the First and Second Optimization CONCLUSION The purpose of optimal operation for water distribution ... be performed for running status of all pumps and ratios of all variable speed pumps APPLICATION EXAMPLE The method noted above is applied to the optimal operation of a southern city water supply ... HPi,j is the outlet pressure for meeting the water supply system requirement, it may be derived by solving the microscopic model, QYC is the predictive value of water demand during the next interval,...

Ngày tải lên: 05/09/2013, 09:38

... income < USD30 Utilities: Water supply Households using tap water supply Households using ground water Households using surface water Households using mixed sources of water Sanitation system Households ... latrine at all Fig - Household survey findings for (a) family status, utilities for (b) water supply and (c) sanitation systems and attitudes for (d) water treatment at home, (e) children’s defecation ... Households using tap water supply Households using ground water Households using surface water Households using mixed sources of water Households in each community ( % ) LSD Filtering water by cloths...

Ngày tải lên: 05/09/2013, 10:15

... water supply system or inter-state water transfer to respond to such increasing demand In 1972, TMG announced the efforts to have sufficient water supply system for the people in Tokyo emphasizing ... necessity of water supply development For counter measures against water shortages, there was water rationing since 1958 to 1973 with maximum water rationing up to 50% from water supply amount ... 11.80 12.75 Water- related aspects Water resources capacity - WR (L/p/d) 264 408 403 509 510 489 Total water supply amount - TWS (L/p/d) 345 425 423 : 417 413 347 Effective water supply amount...

Ngày tải lên: 05/09/2013, 10:17

... According to the performance of the water pipe systems, it is possible to obtain the potential problems associated to possible sources of pollutants The statistics of performance of water pipe systems ... pressure goes down in buried pipes, where most of times the pipe is enveloped by terrain with saturated water, the intrusion can easily occurred 2.1 Leakage and hydraulic performance The presence of ... México, 154p 1994 [7] Almeida A B., Ramos H M., Water supply operation: diagnosis and reliability analysis in a Lisbon pumping system Jornal of Water Supply: Research and Technology – AQUA 59.1,...

Ngày tải lên: 05/09/2013, 14:58

... management in water supply systems Water Science & Technology: Water Supply WSTWS, 2009 9(1): p 59-65 [10] Sakarya, A.B.A and L.W Mays, Optimal Operation of Water Distribution Pumps Considering Water ... more important in a near future To achieve that, energy for pumping to deliver water to populations is needed, representing the main cost for water companies [3] As well known renewable are generally ... hydraulically balance the water supply system, determining the hydraulic behaviour of all system including the most suitable pump and turbine power for each condition Before starting the creation...

Ngày tải lên: 05/09/2013, 14:58

... database link CENTER for SAIGON branch CONNECT SAIGON/SAIGON@STU; Create database link CENTER connect to CENTER identified by CENTER using 'VPCP' ; PROMPT Create database link CENTER for GIADINH branch ... database link CENTER for CHOLON branch CONNECT CHOLON/CHOLON@STU; Create database link CENTER connect to CENTER identified by CENTER using 'VPCP' ; PROMPT Create database link CENTER for THUDUC branch ... database link SAIGON for CENTER site CONNECT CENTER/CENTER@VPCP; Create database link SAIGON connect to SAIGON identified by SAIGON using 'STU' ; PROMPT Create database link GIADINH for CENTER site...

Ngày tải lên: 28/09/2013, 09:10

... improvement related to clean water and environment High prices of water supply will limit the number of water users in poor households • Decentralised water supply for rural communities is recommended ... Sur-charges added include: Water use VAT (5%), Sewerage fee (180 VND/m3 water used), Periods Up to 2010 Up to 2020 Table 4: Water supply planned Percentage of water supplied Water supply rate population ... wastewater • Ground water is the main source for the lower parts of the delta such as coastal areas and poor water- distribution places In rural water supply, the opinion the groundwater is the preferable...

Ngày tải lên: 20/12/2013, 19:15

... attribution Alternatives for Ground Water Cleanup http://www.nap.edu/catalog/2311.html i Alternatives for Ground Water Cleanup Committee on Ground Water Cleanup Alternatives Water Science and Technology ... KENNETH D FREDERICK, Resources for the Future, Washington, D.C DAVID L FREYBERG, Stanford University, Stanford, California WILFORD R GARDNER, University of California, Berkeley WILLIAM L GRAF, ... University of California, Davis B JOHN GARRICK, PLG, Inc., Newport Beach, California ROBERT D HATCHER, University of Tennessee, Knoxville PERRY L McCARTY, Stanford University, Stanford, California FRED...

Ngày tải lên: 06/03/2014, 09:20

... secondary clarification is therefore of maximum importance for overall plant performance Page | 12 New technologies or innovative treatment lines for reliable water treatment for P&P and minimization ... circulation water treatment rise, since the water must be used several times and fresh water is also replaced by Page | 13 New technologies or innovative treatment lines for reliable water treatment for ... lines for reliable water treatment for P&P and minimization of waste production VEO,PTS, ENV, UCM, HOL, WED, January 2012 for the industrial wastewater treatment But, however, precondition for...

Ngày tải lên: 09/03/2014, 00:20

... Samples from Drinking -Water Supply Wells Ground Water as a Drinking -Water Supply Photograph courtesy of Mike Wolforth, Light Images G round water provides a drinking -water supply for about one-half ... samples PCE–TCA Chloroform–PCE Chloroform–MTBE PCE–TCE Dibromochloromethane– chloroform Chloroform–TCA TCA–TCE PCE–MTBE Bromoform– dibromochloromethane Bromoform–chloroform Public well samples ... VOCs in ground water 16 VOCs in samples from drinking -water supply wells 28 Additional information for selected VOCs 42 – Chloroform and other trihalomethanes...

Ngày tải lên: 14/03/2014, 19:20

... urban water systems an overview of infrastructure asset management methodologies for urban water systems with examples from the water industry; (4) Energy efficiency in water supply systems: GA for ... simulation is performed for critical above-ground pipe sections Guidelines for Transient Analysis in Water Transmission and Distribution Systems Guideline for Transient Analysis in Water Transmission ... if we use precipitation rates for groundwater model and for the surface water model for instance in general the information is provided in different data set and formats In this case the user...

Ngày tải lên: 14/03/2014, 21:20

... sampling water for determining its quality; one layer for each year Spatial presentation of locations where hydrometric measurements were preformed; one layer for each year Searching data on water ... Methodology for integral management of water quality of watercourses in Vojvodina Water quality models have become advanced in describing dynamics in water environment and may offer ... discharging into it Research on water quality and quantity was conducted by the Department for Water Management, faculty of Agriculture, Novi Sad, Serbia, and was performed in 2006, 2008, and 2009...

Ngày tải lên: 15/03/2014, 23:20

... method for As removal in water, we also tested the removal efficiency on the pilot equipment for groundwater treatment that is currently installed in one city water treatment plant (Fig 4) Groundwater ... household water treatment system Raw groundwater was pumped through the column Raw groundwater and filtered water samples were collected periodically (about - times a week) and were analyzed for total ... source of water supply for many people in Vietnam, when surface water was contaminated However, as mentioned above, recent findings of the unexpected severe arsenic pollution in groundwater raised...

Ngày tải lên: 15/03/2014, 23:49

Ngày tải lên: 22/03/2014, 15:20

Ngày tải lên: 23/03/2014, 00:20