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♦ ♦ ⎛ ⎞ ⎜ ⎟ ⎝ Q ⎠ Cu max, m –2 NOTE: Effective stack height shown on curves numerically. ⎛ ⎞ ⎜ ⎟ ⎝ Q ⎠ Cu max = e [a + b lnH + c (lnH) 2 + d(lnH) 3 ] H = effective stack height, stack height + plume rise, m 145 ENVIRONMENTAL ENGINEERING (continued) Values of Curve-Fit Constants for Estimating (Cu/Q)max from H as a Function of Atmospheric Stability Constants Stability a b c d A –1.0563 –2.7153 0.1261 0 B –1.8060 –2.1912 0.0389 0 C –1.9748 –1.9980 0 0 D –2.5302 –1.5610 –0.0934 0 E –1.4496 –2.5910 0.2181 –0.0343 F –1.0488 –3.2252 0.4977 –0.0765 Adapted from Ranchoux, R.J.P., 1976. ♦ Turner, D. B., "Workbook of Atmospheric Dispersion Estimates," Washington, DC, U.S. Environmental Protection Agency, 1970.
Cyclone Cyclone Collection (Particle Removal) Efficiency 1 1+ η = , where ( ) 2 d pc p d dpc = diameter of particle collected with 50% efficiency, dp = diameter of particle of interest, and η = fractional particle collection efficiency. e 146 Cyclone Efficiency (%) Cyclone Ratio of Dimensions to Body Diameter ENVIRONMENTAL ENGINEERING (continued) Cyclone Effective Number of Turns Approximation 1 ⎡ Lc ⎤ N e = ⎢Lb + ⎥ , where H ⎣ 2 ⎦ Ne = number of effective turns gas makes in cyclone, H = inlet height of cyclone (m), Lb = length of body cyclone (m), and = length of cone of cyclone (m). Lc Cyclone 50% Collection Efficiency for Particle Diameter d pc ⎡ 9µ W ⎤ = ⎢ ⎥ ⎢ 2πNV e i( ρp −ρg) ⎥ ⎣ ⎦ 0.5 , where dpc = diameter of particle that is collected with 50% efficiency (m), µ = viscosity of gas (kg/m•s), W = inlet width of cyclone (m), Ne = number of effective turns gas makes in cyclone, Vi = inlet velocity into cyclone (m/s), ρp = density of particle (kg/m 3 ), and = density of gas (kg/m 3 ). ρg Cyclone Collection Efficiency Particle Size Ratio Dimension High Efficiency Conventional High Throughput Inlet height H 0.44 0.50 0.80 Inlet width W 0.21 0.25 0.35 Body length Lb 1.40 1.75 1.70 Cone length Lc 2.50 2.00 2.00 Vortex finder length S 0.50 0.60 0.85 Gas exit diameter De 0.40 0.50 0.75 Dust outlet diameter Dd 0.40 0.40 0.40 d d p pc
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FUNDAMENTALS OF ENGINEERING SUPPLIE
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Published by the National Council o
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CONTENTS Units.....................
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CONVERSION FACTORS Multiply By To O
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Case 4. Circle e = 0: (x - h) 2 + (
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MATRICES A matrix is an ordered rec
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Taylor's Series f ( x) = f ( a) ( a
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MENSURATION OF AREAS AND VOLUMES No
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CENTROIDS AND MOMENTS OF INERTIA Th
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Numerical Integration Three of the
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PROBABILITY FUNCTIONS A random vari
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HYPOTHESIS TESTING Consider an unkn
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ENGINEERING PROBABILITY AND STATIST
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22 CRITICAL VALUES OF THE F DISTRIB
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FORCE A force is a vector quantity.
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26 y y y y y y C Figure Area & Cent
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28 y y y Figure Area & Centroid Are
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Normal and Tangential Components y
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M is the moment applied to the part
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The figure shows a fourbar slider-c
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It may also be shown that the undam
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UNIAXIAL STRESS-STRAIN Stress-Strai
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STATIC LOADING FAILURE THEORIES Bri
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Using the stress-strain relationshi
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DENSITY, SPECIFIC VOLUME, SPECIFIC
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The Field Equation is derived when
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Specific fittings have characterist
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FLUID MEASUREMENTS The Pitot Tube -
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DIMENSIONAL HOMOGENEITY AND DIMENSI
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MOODY (STANTON) DIAGRAM e, (ft) e,
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PROPERTIES OF SINGLE-COMPONENT SYST
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Mixers, Separators, Open or Closed
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SECOND LAW OF THERMODYNAMICS Therma
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Temp. o C T 0.01 5 10 15 20 25 30 3
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P-h DIAGRAM FOR REFRIGERANT HFC-134
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Gases Substance Air Argon Butane Ca
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RADIATION The radiation emitted by
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Use the cylinder diameter in the ev
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Shape Factor Relations Reciprocity
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For more information on Biology see
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Stoichiometry of Selected Biologica
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Avogadro's Number: The number of el
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80 Specific Example IUPAC Name Comm
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MATERIALS SCIENCE/STRUCTURE OF MATT
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HARDENABILITY Hardenability is the
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POLYMERS Classification of Polymers
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Signal Conditioning Signal conditio
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An alternative form commonly employ
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ENGINEERING ECONOMICS Factor Name C
Page 99 and 100: ENGINEERING ECONOMICS (continued) 9
Page 105 and 106: B. LICENSEE’S OBLIGATION TO EMPLO
Page 107 and 108: Common Names and Molecular Formulas
Page 109 and 110: For mixtures of ideal gases: fi o =
Page 111 and 112: Distillation Definitions: α = rela
Page 113 and 114: Cost Segments of Fixed-Capital Inve
Page 115 and 116: Concentrations of Vaporized Liquids
Page 117 and 118: COARSE- GRAINED SOILS More than 50%
Page 119 and 120: STRUCTURAL ANALYSIS Influence Lines
Page 121 and 122: Pu A's As Mu A's As UNIFIED DESIGN
Page 123 and 124: SHORT COLUMNS Limits for main reinf
Page 125 and 126: GRAPH A.15 Column strength interact
Page 127 and 128: BEAMS: homogeneous beams, flexure a
Page 129 and 130: 124 CIVIL ENGINEERING (continued) B
Page 131 and 132: 126 CIVIL ENGINEERING (continued) A
Page 133 and 134: Fy = 50 ksi φb = 0.9 φv = 0.9 Sha
Page 135 and 136: ♦ 50.0 1.0 10.0 5.0 3.0 0.9 2.0 1
Page 137 and 138: ALLOWABLE STRESS DESIGN SELECTION T
Page 139 and 140: Kl r ASD Table C-50. Allowable Stre
Page 141 and 142: Open-Channel Flow Specific Energy 2
Page 143 and 144: Transportation Models See INDUSTRIA
Page 145 and 146: VERTICAL CURVE FORMULAS L = Length
Page 147 and 148: EARTHWORK FORMULAS Average End Area
Page 149: , METERS , METERS 144 ENVIRONMENTAL
Page 153 and 154: FATE AND TRANSPORT Microbial Kineti
Page 155 and 156: LANDFILL Break-Through Time for Lea
Page 157 and 158: 152 ENVIRONMENTAL ENGINEERING (cont
Page 159 and 160: No. 1 2 3 4 5 6 7 8 9 10 11 12 13 1
Page 161 and 162: Exposure Residential Exposure Equat
Page 163 and 164: TOXICOLOGY Dose-Response Curves The
Page 165 and 166: ♦ Aerobic Digestion Design criter
Page 167 and 168: where R Cin = stripping factor H′
Page 169 and 170: Bed Expansion Monosized Multisized
Page 171 and 172: Stokes' Law V t 2 ( ρp − ρf ) g
Page 173 and 174: Resistors in Series and Parallel Fo
Page 175 and 176: RC AND RL TRANSIENTS v R + V 1 −
Page 177 and 178: AC Machines The synchronous speed n
Page 179 and 180: LAPLACE TRANSFORMS The unilateral L
Page 181 and 182: Fourier Transform Pairs x(t) X(f) 1
Page 183 and 184: FM (Frequency Modulation) The phase
Page 185 and 186: 180 ELECTRICAL AND COMPUTER ENGINEE
Page 187 and 188: OPERATIONAL AMPLIFIERS Ideal v2 vo
Page 193 and 194: FLIP-FLOPS A flip-flop is a device
Page 195 and 196: Standard Deviation Charts n A3 B3 B
Page 197 and 198: LINEAR REGRESSION Least Squares bx
Page 199 and 200: ERGONOMICS NIOSH Formula Recommende
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PERT (aij, bij, cij) = (optimistic,
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HYPOTHESIS TESTING Table A. Tests o
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ERGONOMICS U.S. Civilian Body Dimen
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202 INDUSTRIAL ENGINEERING (continu
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The deflection θ and moment Fr are
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Failure by crushing of rivet or mem
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Only the tangential component Wt tr
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Cooling and Dehumidification ω Q
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Cycles and Processes Internal Combu
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Steam Trap Junction Pump See also T
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Compressor Isentropic Efficiency: w
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Infiltration Air change method ρ c
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compressible fluid, 50 compression
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jet propulsion, 48 JFETs, 182, 184
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esultant, 24 retardation factor R,
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State Code School Alabama Universit
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State Code School Minnesota Univers
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State Code School Virginia (Cont'd)
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