The efficient use of fuel : a text book on fuels and their efficient utilization for the use of students and technical men in industry.

Great Britain. Ministry of Power.

Date:: 1958

Credit: The efficient use of fuel : a text book on fuels and their efficient utilization for the use of students and technical men in industry. Source: Wellcome Collection.

904/910 (page 886)

$Storage heating—continued vessels, (S.H.), Capacity, 659 Stoving by radiant heat, 591 S.T.P., 241 Stratification, (fluid flow), 227 in boiler furnaces, 141 Stream-line flow, 203 Suction head, (hot water pumping), 349 lift, 350, (condensate), 414 pyrometer, 710, 731 Sugar, Drying of, 686 Sulphur, see also Hydrogen sulphide and Sulphuretted hydrogen Calorific value, 116 in coal, 10-11 determination, 831 in coal gas, 56, 450 in coal tar fuels, 314 in coke, 44, 53 in oil fuels, 75 determination, 837 in producer gas, 431 role in combustion, 116 dioxide in furnace atmospheres, 450 oxides as air pollutants, 11 Sulphuretted hydrogen, calorific value, App. A, 846 Superheat, 338, 401, 405 Loss of, 713 Disadvantages in process, 405 Superheated steam: Properties of, (table), 857 Heat transfer from, 161 for power generation, 405 Superheaters, 355-60, 563 Corrosion by salts in feed water, 384 Sutherland formula, (viscosity), 202 Swelling of coal in carbonization, 12-14, 49 B.S. crucible test, 13 Lessing test, 12 Tank furnace, 516 measurement of efficiency, 524 Tannin, (water treatment), 380 Tar, see Coal tar Tar fog separator, (gas sampling), 805 T.D.S., (water), 385 Tees, bends, etc., Effect on fluid flow, 207 Temporary hardness, (water), 371. Temperature: Absolute, App. A, 844 control in furnaces, 522, 535, 540 Conversion factors, App. A, 844 curve for Lancashire boilers, 358 drop, (S.H.), 642 Importance in efficient combustion, 141 Measurement of, 723 susceptibility of Coal Tar Fuels, 65 uniformity in furnaces, 538 units, App. A, 844 of occupied rooms, 657 of water for ablutions, 659 Temperatures, Some important, 844 Tentering machine, 411 Tertiary air, 134, 339 Therm, 55, 109, 845 Coal equivalent, App. A, 846 Gas Act, 1949, 55 Thermal: conductivity, 150-4 of boiler scale, 154 through composite walls, 153 conversion factors, 152 Difference between metals and non- metals, 151-2 of refractories, 612, (table), 613-14 diffusivity, 159, (furnaces), 550, (refrac- tories), 612 effects in combustion, Chap. 7, 109 efficiency of boilers, see Boiler efficiency and Heat balances of furnaces, 456 of vacuum driers, 686 expansion, (refractories), 609 insulation, see Insulation and Lagging, Conductance, Resistance storage, 423, see Accumulators boiler, 424 transmittance, see Heat transmittance Thermo-chemical equations, 114 -compression, (steam pressure booster), 417 Thermo-couples, 729 Thermographs, 777, 781, 788 Thermometers, 723 Electrical resistance, 728 Expansion, characteristics and _ uses, (table), 727 Gas, 725 Liquid expansion, 723 Types of bulbs, 724 Solid expansion, 723 Vapour pressure, 726 Thermostatic control, Chap. 28, 776 of draught, 655 Electric furnaces, 581 equipment. Maintenance, 791 Zone control, 785 Thermostatic valves, (air venting), 411 Immersion, 789 Thoria, (refractory), “Three T’s’’, 140 Tidal power, 3 Tilting burner, (P.F.), 284 Time, Turbulence and Temperature in combustion, 140 for heating furnace charge, 531 Toluene, Ignition temperature, 125 Torque tube, 751 Total dissolved solids, (T.D.S.), water), 385 heat, (enthalpy), (D. & C.), 670 Town gas, 54, see also Gas burners, 478, see also Burners Calorific value, 55, App. A, 846 Combustion of, 124 Composition of, 58 Use in glass melting, 520 Tracer lines, (liquid fuel), 301, 421 Tractor fuels, see Vaporizing oils Transmission of gases, (flow formulae), 209 systems in instrumentation, 766 Transmittance. See Heat transfer co- efficient, and Heat Transmission Tray driers, 676 603 (feed$