Book - School of Science and Technology

712 Indexcleaning 489±93, 489±93dust capacity487efficiency488, 488liquid fuels 306occupied rooms 349tests 486±7Filtration, air 484±93Firedampers 445±6, 446tests 457tube boilers 272±3, 273valves 306Firing equipment 260±95Firing rates 286Fixed carbon 296Flame failure devices 287Flash points (closed) 300±1Flash steam 159, 162, 163Flat oval ducting 440, 440Flats see Multi-storeybuildingsFlexible ductwork 446Floating controllers 637, 638Floor heaterscapacity124±7correction factors 126electrical 110±11radiant panels 184±8storage equipment 132±4Floorsair distribution 423±4air-conditioning 397±8cavityinsulation 39heat emission 125radiant heaters 184±8storage heaters 121U values 34±5, 35Flowprobability 603rates 606±7, 606±7sensors 627Fluesair heaters 330boilers 265±6, 267, 330condensing boilers 265±6construction 331±4, 332±3gases 294, 318±19, 334±6infra-red heaters 101natural convectors 103warm air systems 105±6Fluidised bed boilers 293±4Force units 2Forced convectors 197±9electrical 112, 113gaseous fuels 104Forced draughtsboilers 283cooling towers 551, 552fans 330gas burners 288±90, 289Forward curved fans 476Four-pipe air-conditioningsystem 392, 395Free coolingair-conditioning 376±7induction air-conditioning 395refrigeration plant 544±6Freons 534Frequencyof sound 459, 459Fuelcells 699±701choice factors 118±19combustion analysis 318consumption 60, 669±70, 684continuous/intermittentoperation 60±5emissions 660, 661, 679handling 296±316shut-off 291±2storage 296±316Full-load operation 665, 667±9,668±9Fume cupboards 367±8, 368Furnace linings 285Galvanised steel ducts 438±40,439Galvanised steel pipeshot water supply595, 595outflow design 606±7primarydesign 599Gasboosters 291, 292burners 268±9, 270fired boilers 560flues 294, 318±19, 334±6pressurisation 148, 214±16,215sets 148specific heat capacity4storage water heaters 568±70thermal expansion 4turbines 691, 692see also Liquefied petroleumgas; natural gasGaseous diffusion 185Gaseous fuelsboiler firing 287±92chimneys 330combustion 322±3, 322direct heating 100±7flues 294, 318±19, 334±6indirect heating 115Gassing 231Gate valves 246Gatewayaccess software 655Generation (steam) 159±60Generators 692±3Glassdiathermic properties 13fibre resin bonded slabs 441±2solar heat gain 76±80, 87tube heat exchangers 507U values 35±6, 36Global warming 534±5, 659, 678Globe thermometers 13±14, 13Glycol anti-freeze 510, 510Goodman, W 515Gravimetric tests 486Gravitycirculationprimarypipework 598±600water systems 248±51Gravityflow 254±5Greenhouse effect 659±60, 678Gross calorific values 261±2,319±20Ground coils 407Ground cooling methods 405Ground reflection (solarradiation) 72±3Guides (pipework) 258±9Gun-type pressure jetburners 283±4, 284Halls 525±7Handling systems (fuels)296±316Hardness of water 574, 593±5Hardware, buildingmanagement 654±5HCFC seeHydrochlorofluorocarbonsHead end 654Head of water 604Headers 156The Health and Safetyat WorkAct (1974) 30Heatcanopyventilation 361±4capacities 129distribution 113±15flow 2generation (adult human) 7generators 148human 342, 342input 261±2meters 224±7, 225±7output 121±3, 261±2pipes 508±9, 509reclaim efficiency504±6rejection 690storage 121±8, 129transfer 85±6, 85, 176±8transmission gradient 22units 2unwanted 342±4ventilation 672±4Heat emissionscopper pipes 610embedded floor panels 186floors 125