Page 347 - Mechanical Engineer's Data Handbook
P. 347

INDEX                                                                             335

         Watt, 75                      transfer from fins, 129-31   black heart cast iron, 219. 238
        Gradient force, automobiles,  77   Heat engine cycles.      Brinell hardness numbers, 239
        Granite, expansion codficient, 265   Carnot,  118-19        coellkient of expansion, 265
        Graphite, spaific heat capacity,  I IO   constant pressure,  I19   corrosion resistance. 240-1
        Grashof number,  heat convection,  132   diesel (constant pressure). 119-20   density. 263
        Gravitation,                   dual combustion.  I20        drilling cutting speeds and feeds.  180
         forces of mutual attraction, 62   Otto (constant-volume).  I19   factors of safety, 308
         gravitational constant, 62    praaical engine,  I20        general cutting speeds. feed  rates and
        Greek alphabet, 310          Heat exchangers,                  power,  192-3
        Grey cast iron, 188,  192, 218, 238   multipass and mixed flow,  138   grey cast iron,  188. 192. 218. 238
         see also Iron                 shell and tube, 137-8        lubricants for drilling, reaming and
        Grinding,                      steam condenser,  138-9         tapping, 181
         process calculations,  189   Helical springs, 334          malleable iron properties.  219
         wheels, 188                 Helical spur gears, 97-8       milling cutting speeds and feed rates.
        Gunmetal,                    Helium,                           I87
         applications,  230            density, 264                 pearlitic cast iron,  219
         coefficient of expansion, 265   specific heat capacity,  gas constant and   properties pure, 240
         composition  and mechanical properties,   molecular weight, 110   recommended welding processes, 214
            229                        thermal conductivity,  131   resistance temperature coeftkient,  277
        Gyroscope. 6&1               High-speed steels. for cutting, 189-90   specific heat capacity.  110
                                     Hoists. 68                     spheroidal graphite (SG) iron, 218. 238
        Hand forging,  199-200       Hooke’s joint, 72              thermal conductivity.  131
        Hardboard, thermal conductivity,  132   Hooks,  bending, 29   thennoelectric sensitivity. 275
        Hardness numbers,            Hoop stress,                   turning,
            Brinell/Rockwell/Vicker’s,   cylinders, 49               cutting speeds,  175
         comparison, 239               spheres, 50                   power consumption. I74
         measurement,  285           Hot extrusion, general characteristics,   rake an&.  177
        Hardwood, friction coefficient with brass;   172            velocity of sound in.  309
            cast iron; hardwood; leather; metal,   Hot rolling, general characteristics,  I72   welding fillers and fluxes, 209
            85                       Hydraulic jack.  147           white heart cast iron, 219
        Hartnell governer, 75        Hydrocarbon fuels see Fuels    see also Cast iron
        Heat,                        Hydrogen,                    Isentropic gas process,  104
         boiling points of common substances,   boiling point,  109   IS0 metric metal sheet, strip and wire
            109                        calorific value,  144          sizes. 307
         conduction,                   density, 264               IS0 metric nut and bolt sizes, 299
           through cylinder wall,  129   formula and molecular weight. 140   ISOM metric threads.  8
           through flat wall.  128-9   specific heat capacity, gas constant and   Isoprene rubbers, 249
         convection,                     molecular weight, I10    IS0 straight-sided splines. dimensions,
           forced laminar flow in pipe,  134   thermal conductivity,  131   303
           forced turbulent Bow,  134-5   velocity of sound  in, 309   Isothermal gas flow in pipes, 161
           Grashof number, 132       Hydrostatics,  167           Isothermal gas process,  104
           natural from horizontal pipe,  132-3   Hydrostatic (three dimensional) stress. 2   lzod impact test, toughness testing. 286
           natural from horizontal plate,  133-4
           natural from vertical plate or cylinder,   Ice.        Jack, hydraulic,  147
            I33                        coefficient of expansion, 265   Jets,  15740
           Nusselt number, 132         density, 264                 aircraft engine,  160
           Prandtl number,  132        latent heat of fusion.  IO8   water jet boat,  159-60
           Reynold’s  number,  I 32    specific heat capacity,  110   Johnson’s parabolic formula, struts
           Stanton number,  I32        thermal conductivity.  I32      buckling. 47
         good conduding materials,  262   Impact centre of percussion,
         good insulating materials, 262   cylinder, 60            Kapok. thermal conductivity,  132
         heat capacity,  102           sphere, 60                 Kerosene,
         latent heat,  102             uniform thin rod, 60         analysis,  145
         latent heats of common substances,  108   Impact coefficient of restitution, 59   boiling point,  109
         mixing of fluids, 102       Impact extrusion,              calorific value,  144
         radiation, 13S7               general characteristics,  172   latent heat of fusion,  108
           emissivity of surfaces,  136-7   process and application, 201   specific heat capacity,  I IO
           geometric factor, I36     Impact stress,  3              thermal conductivity.  131
           interchange factors,  13s   Impulse, definition, 59    Keys see Shafts
         specific heat,              Impulse turbines see Steam plant   Keyways. stress concentration factors. 24
           capacity,  102            Inconel,                     Knuckle joints.  st-   in, 4-5
           relationships,  103         applications,  234         Krypton. density, 264
         thermal conductivity.         density, 263
           gases, 131                  springs, 235               Laminar flow.
           insulating materials,  13 I   thermal conductivity,  131   through annulus, I57
           liquids,  131             Inomers, 243                   in circular pipes,  156
           metals,  131              Internal combustion engines see Engines   between flat plates.  156
           midlamus materials. 132   Investment casting.  197-8   Laminated carbide. as a cutting material.
           plastics,  131            Iron,                             189
           refrigerants.  131          alloy irons, 219           Laminated plastics, 24%
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