6110#01(Intro)

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Unformatted text preview: n ..................................................................... 253 Hydraulic Design of Mainline & Supply Line........................................... 275 Note: Equations are numbered consecutively in these lecture notes as (xxx). Equations with the (xxx.xx) format refer to those found in the textbook by Keller & Bliesner. Sprinkle & Trickle Irrigation Lectures Page 5 Merkley & Allen Merkley & Allen Page 6 Sprinkle & Trickle Irrigation Lectures Units, Constants and Conversions 28.35 g/oz 15.85 gpm/lps (= 60/3.785) 7.481 gallons/ft3 448.86 gpm/cfs (= 7.481*60) 3.7854 litre/gallon 6.89 kPa/psi 1 cb = 1 kPa 10 mb/kPa, or 100 kPa/bar 2.308 ft/psi, or 9.81 kPa/m (head of water) 14.7 psi = 101.3 kPa = 10.34 m (head of water) = 1,013 mbar = 1 atm 62.4 lbs/ft3, or 1000 kg/m3 (max density of pure water at 4°C) 0.1333 kPa/mmHg 1 ppm ≈ 1 mg/liter (usually) 1 mmho/cm = 1 dS/m = 550 to 800 mg/liter 0.7457 kW/HP 1 langley = 1 cal/cm2 0.0419 MJ/m2 per cal/cm2 0.3048 m/ft 1.609 km/mile 2.471 acre/ha 43,560 ft2/acre 1,233 m3/acre-ft 57.2958 degrees/radian π ≈ 3.14159265358979323846 e ≈ 2.71828182845904523536 ºC = (ºF – 32)/1.8 ºF = 1.8(ºC) + 32 Ratio of weight to mass at sea level and 45° latitude: g = 9.80665 m/s2 PVC = Polyvinyl chloride PE = Polyethylene ABS = Acrylonitrile-Butadiene-Styrene Sprinkle & Trickle Irrigation Lectures Page 7 Merkley & Allen Merkley & Allen Page 8 Sprinkle & Trickle Irrigation Lectures Equation Chapter 1 Section 1Lecture 1 Course Introduction I. Course Overview • • • • • • Design of sprinkle and trickle systems – perhaps the most comprehensive course on the subject anywhere Previously, this was two separate courses at USU Everyone must be registered at least for audit Prerequisites: BIE 5010/6010; computer programming; hydraulics There will be two laboratory/field exercises Review of lecture schedules for sprinkle and trickle II. Textbook and Other Materials • • • • Textbook by Keller and Bliesner Two textbooks are o...
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This document was uploaded on 02/02/2014.

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