المساعد الشخصي الرقمي

مشاهدة النسخة كاملة : بحث علمي لموضوع الري بنظام الرش



anmar7n
30-06-2008, 12:19 AM
السلام عليكم ورحمة الله وبركاته
اخواني الاعزاء هذه اول مشاركة معكم
وارجوا ان تلبو طلبي لو سمحتوا
انا ابحث عن بحث علمي لموضوع
(((( الري بواسطة نظام الرش الثابت )))))
وارجو ان يتم ذكر المصدر معه
وبارك الله فيكم مقدما

anmar7n
02-07-2008, 07:46 PM
ولا رد منذ ثلاث ايام ؟؟؟؟؟؟؟
ارجو الرد

د/على النجار
12-04-2009, 01:04 PM
pls find the calculation for irrigation link
Dr Ali Elnaggar
-Drip (http://irrigation.wsu.edu/calcs.php?calcs=1&drip=1)
-Sprinklers (http://irrigation.wsu.edu/calcs.php?calcs=1&sprinkler=1)
-Center Pivot (http://irrigation.wsu.edu/calcs.php?calcs=1&pivot=1)
-General (http://irrigation.wsu.edu/calcs.php?calcs=1&general=1)
-Residential (http://irrigation.wsu.edu/calcs.php?calcs=1&residential=1)
-Unit Conversions (http://irrigation.wsu.edu/unitconversions.php?calcs=1)
-Water Measurements (http://irrigation.wsu.edu/calcs.php?calcs=1&measurements=1)
-Washington Data (http://irrigation.wsu.edu/calcs.php?calcs=1&data=1)
-All Calculators (http://irrigation.wsu.edu/calcs.php?calcs=1)

Calculators

Application Rate (http://irrigation.wsu.edu/applicationqtad.php): Water
application rate from a given flow
and area
Drip Line (http://irrigation.wsu.edu/drip.php): Application rate
of drip lines
Application Depth (http://irrigation.wsu.edu/depth.php): Calculate
application depth given flow,
land area, and time
Required Flow Rate (http://irrigation.wsu.edu/flow.php): Flow
rate required to meet crop
water demands for an area


Handmove Sprinkler Lines (http://irrigation.wsu.edu/handmove.php):
Comprehensive Calculator for hand-move
and wheel-line irrigation systems
(http://irrigation.wsu.edu/fertilizerrate.php)
(http://irrigation.wsu.edu/fertilizerrate.php)
Fertilizer Injection Rate:
(http://irrigation.wsu.edu/fertilizerrate.php)Calculate the injection rates for fertigation


Nozzle Discharge and Size (http://irrigation.wsu.edu/nozzlevolume.php): Used
to calculate the discharge of a nozzle or the
the size required for a set pressure and flow


Traveling Gun (http://irrigation.wsu.edu/travelinggun.php):
(http://irrigation.wsu.edu/fertilizerrate.php)Calculate the net water application for a
traveling big gun sprinkler


Unit Conversions

(http://irrigation.wsu.edu/unitconversions.php)


Center Pivot Calculators:

Pivot Acreage (http://irrigation.wsu.edu/pivotacreage.php): Calculate the area underneath a center pivot.


Time for Full Rotation: (http://irrigation.wsu.edu/fullrotationtime.php) The time that it takes for a 360 degree rotation of a center pivot.


Approximate Percentage Timer Setting (http://irrigation.wsu.edu/percentagetimer.php)[/URL]: Use this calculator to calculate a timer setting to apply a particular depth.


Time for 1" Application (http://irrigation.wsu.edu/percentagetimer.php): Calculate the irrigation time to apply one inch of water with a center pivot.


[URL="http://irrigation.wsu.edu/pumpingrequirements.php"]Estimating System Pumping Requirements (http://irrigation.wsu.edu/timeapp.php): Calculate the system capacity (flow rate) required to meet the demands of a field.



Landscape Plants Requirements (http://irrigation.wsu.edu/waterreq.php):
Determine how much water
to apply to individual plants with drip emitters


Columbia Basin Available Water: (http://irrigation.wsu.edu/map.php) Access bulk density and available water (water holding capacities) of Columbia Basin Soils.


Pumping Power (http://irrigation.wsu.edu/requiredhp.php): Pump horse power requirements
Sprinkler App. Rate (http://irrigation.wsu.edu/precipitation.php): Sprinkler application rate based on nozzle diameter and spacing
Pipe Velocity: (http://irrigation.wsu.edu/pipevelocity.php) Many designers design pipe sizes based on velocity limits (5 fps). Calculate water velocity in a pipe
System Capacity (http://irrigation.wsu.edu/systemcapacity.php):Calculate the system flow rate capacity required to meet crop water needs


Flow over Trapezoidal Weir (http://irrigation.wsu.edu/cipoletti.php): Calculate flow rate over a trapezoidal (Cipolletti) weir.


Pipe Friction (http://irrigation.wsu.edu/pipefriction.php): Pressure loss in
pipes from friction


Set Times (http://irrigation.wsu.edu/settime.php): Calculate the set time for irrigating based on application and flow rate


Pressure Loss with Outlets (http://irrigation.wsu.edu/outletfriction.php): Calculate the pressure loss in a pipe with evenly spaced outlets, such as a sprinkler lateral or a manifold, or minimum pipe size in the same based on the maximum allowable pressure loss



(http://irrigation.wsu.edu/calcs.php?calcs=1#)

Home (http://irrigation.wsu.edu/index.php)Irrigation Calculators (http://irrigation.wsu.edu/calcs.php)









FAQs & Tutorials (http://irrigation.wsu.edu/calcs.php?faq=1)WSU Irrigation Research (http://irrigation.wsu.edu/research.php)Irrigation Fact Sheets (http://irrigation.wsu.edu/factsheets.php)Irrigation Glossary (http://irrigation.wsu.edu/glossary.php)Useful Irrigation Links (http://irrigation.wsu.edu/links.php) Contact (http://irrigation.wsu.edu/contact.php)

د/على النجار
14-04-2009, 10:31 AM
ارسلت لك يأخى العزيز روابط لحسابات تصميم الرى بالرش ولتنقيط والمواسير والبيفوت وحقن الأسمدة وغيرها الكثير ولقد نذرت على نفسى بألا اتأخر عن مساعدة أحد فى حدود معلوماتى المتواضعة

د/على النجار