function refLiquid()
{
return "\
Reference: Richard W. Miller's Flow Measurement Engineering Handbook - Third Edition
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d = Faddmeasure = [1 + αpe(TF - 68)]dmeasure (Eq. 9.51)
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D = FaDDmeasure = [1 + αpe(TF - 68)]Dmeasure (Eq. 9.50)
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SM = (Gbqv)/(NvGD2sqrt(Fp)sqrt(Gf)sqrt(hw)) (Table 9.23)
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RD = [17,902.78(FpGf)/(μcPDNvG)]qv (Table 9.20)
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β0 = [1 + (0.6/SM + 0.06)2]-1/4 for RD < 200,000 (Table 9.28)
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β0 = [1 + (0.6/SM)2]-1/4 for RD > 200,000 (Table 9.28)
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C = C∞ + b/RnD (Eq. 9.49)
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β1 = [1 + (C0/SM)2]-1/4 (Eq. 9.83)
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βn = [1 + (Cn-1/SM)2]-1/4 (Eq. 9.84)
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dmeasure= (βD)/Fad (Eq. 9.51)\
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List of Symbols:
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αp: coefficient of thermal expansion for pipe material in in/(in oF)
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αpe: coefficient of thermal expansion for primary element material in in/(in oF)
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β0: beta approximation
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β: beta ratio
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b: Reynolds number correction term (Table 9.1)
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C∞: discharge coefficient at an infinite Reynolds number
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D: pipe internal diameter (ID) at flowing conditions
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Dmeasure: normal pipe ID as measured at ambient conditions
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d: primary element bore at flowing conditions
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dmeasure: primary element bore measured at ambient conditions
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FaD: pipe thermal expansion factor
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Fad: orifice thermal expansion factor
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Fp: correction for liquid compressibility (assumed 1)
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Gb: specific gravity at base conditions (Table 9.1)
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Gf: specific gravity at base conditions, uncorrected for pressure
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hw: differential pressure in inches of water at 68o F, 14.7 PSIA
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μcP: absolute viscosity in centipoises
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NvG: N factor for flowing volume with specific-gravity determination, liquids, determined by flow rate units v
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qv: volumeric flow rate calculated at standared (gas) or base (liquid) temperature and pressure, where v is units
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RnD: Reynolds number exponent n is constant and depends on the primary element (Table 9.1)\
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}