MICROFICHE REFERENCE LIBFUUW - Cd3wd.com

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Table A.7 Power conversions and abbreviationsFor example, read:1 hqrsepower = 0.746 kilowattsunvr*hPkwft-lbsetkg-calminhorsepower1.00.74655010.55kilowatt1.341.0foot-poundsecond1.82~10-~1.36~10-~1.94x1o-2kilogram-calorieminute0.09350.06971 hp = 1.014 metric hp
Table'A.8 Specific speed (N,) conversionsFor example, read: N, = 1 (czs, ft, rpm) equals N, = 21.19 (U.S. gpm, ft, rpm)Units of (1) 01 (3) (4) (51 63Quantity and cfs U.S. gpm Imp. gpm l/set m3/sec m si /nHead* ft ft ft m m m(11 1.0 21.19 19.34 12.98 0.41 24.63(2) 0.047 1.0 0.91 0.61 0.019 1.16(31 0.052 1.096 1.0 0.67 0.021 1.27(4) 0.077 1.63 1.49 1.0 0.032 1.90(51 2.44 51.64 47.13 31.62 1.0 60.0051 0.041 0.86 0.79 0.53 0.017 1.0lRotational speed in revolutions per minute (rpm)
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MICROFICHEREFERENCELIBFUUWA project
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TABLE OF CONTENTS:.LIST OF FIGURES
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LIST OF FIGURES (CONT)Figure3.163.1
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LIST OF TABLESTable2.12.2a2.2b3.13.
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2find both new water lifting device
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4During the 3rd centuryB.C., Archim
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GIn 1698, Thomas Savery obtained a
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9the United States was starting set
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11engines, motors, transmissions, e
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Chapter 2Water LiftingPrinciples2.1
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15Table 2.2a Classification of wate
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2.2.1 Discharge or Capacity (Q)Disc
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(h) Drawdown (D) is the vertical di
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21Tota I DynamicHeadI Total Static
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23Vapor Pressure (P,)Suction Fricti
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Multiplying all these efficiencies
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27NPSHR-Q, is also usually included
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3.2.1.1 Bucket/BagUtilizing nothing
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handmade construction can be easily
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animal is returning to the top, the
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363.2.1-S Counterpoise LiftThe coun
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38to return the lever. Combinations
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40Table 3.1Shadouf performanceLift
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(b)Figure 3.5 Scoop (a) used as sho
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‘PIVOT-r- ----hFigure 3.6 Wzcer b
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46water. The capacity of this devic
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- =7?=PIVOTCOUNTER WEIGHT\FLAP- VAL
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50(a)ROLLER 7- HAND RAIL/SIDE - BY-
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52flow in through a check-valve (e.
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54exhaust valves for the steam (or
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56Another significant difference be
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58shaft), two other forms of these
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60Among the simplest designs for a
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62/HANDLEBARDISCHARGEHOSEfFOOTRE$TD
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HANDLE/CONNECTINGARMDISCHARGEFLAP V
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663.3.1 WheelAfter many of the earl
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68Table 3.2 Manually-operated paddl
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70engine (2-3 hp) as the prime move
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72Table 3.3 records some of the per
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74Several names which are also appl
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76Table 3.5Zawafa performanceLiftDi
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78noria and the discharge and head
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80enclosed circumference can also b
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82Most early tympanums were of the
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84Table 3.6Tympanum performanceDiam
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86sufficiently compact and lightwei
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88of 3000 gpm or 5000 psig. Dependi
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SE;vlI - ROTARYBUCKET VANEU’C)Fig
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92(a)AIRCHAMBERAIR FEEDERVALVEWASTE
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94Table 3.8Ram performanceA. Typica
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COMPRESSEDAIRDEAofpctI5LT1EDUCTC II
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98FLASHTANK .iJI 10 -NON-RETURNVALV
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Because the components are not yet
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102air-lift pumps. The oscillation
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104and from the impeller and confin
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106making this type pump useful for
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90s; 80iTi!g 700E 60W50SPECIFIC SPE
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110to lubricate all or some of thei
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112such variables as impeller size,
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114GEAR HEADOR IVE SHAFTTO PRIME MO
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116W(clFigure 4.6 (a) Thai-style ou
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118DRIVINGSUCTIONDIFFUSERa- - =tQ,E
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DISCHARGELINE OISCHARGE RETURNLINEL
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-122which at $.20/kg, cost $6.00. H
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Table 5.1Manual power appl icat i a
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126water lifting device. Animals ar
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1285.4.1 WindWindmills are currentl
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130even saw use on the windy plains
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172HAL F CYLINDERSt------TO WATER L
Page 141 and 142: 135a vertical shaft, the wind will
Page 143 and 144: --Table 5.3 Typical winchnil 1 clpp
Page 145 and 146: Table 5.4 Typical watermill applica
Page 147 and 148: 141MEDIUM BREASTFigure 5.6 (a) Medi
Page 149 and 150: SLUICEGATEc, ~/I#/,.----- ------I L
Page 151 and 152: 145-H-f -- WH---@II
Page 153 and 154: 147with a 330,250 gpd capacity. Bat
Page 155 and 156: 149Where electric power is not econ
Page 157 and 158: 151electricity), the amount of use
Page 159 and 160: 153of building and installing the d
Page 161 and 162: 155II 300‘0083ooLoo93oo‘ootr000
Page 163 and 164: 157Example G .l (after Molenaar, 19
Page 165 and 166: LOW LIFT VERTICAL PUA /lPI------PER
Page 167 and 168: Chapter 7Improvements and Research
Page 169 and 170: 163example for further projects (Fa
Page 171 and 172: 165Reynolds (1970) writes, " . ..ma
Page 173 and 174: 16?BIBLIOGKAPlIYAddison, Ii., Ccntr
Page 175 and 176: 169Committee on Water Supply Engine
Page 177 and 178: Gatz, C. A., Johnston Vertical Pump
Page 179 and 180: 173Mother Earth News,1574.Ilandbook
Page 181 and 182: 175Reynolds, I. II. , “High Duty
Page 183 and 184: 177Svcndsen, M., "Irrigation Techno
Page 185 and 186: 179APPENDIX
Page 187 and 188: Tabic;: A.2 Area conversions and ab
Page 189 and 190: Table A.4 Pressure conversions and
Page 191: Table A.6 Discharge conversions and
Page 195: ABHPDD- area- brake horsepower- dia
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