Building Services Engineering 5th Edition Handbook

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Appendix 409 31. 3, 5 32. 3 33. 3 34. 4 35. 2 36. 2 37. 4 38. 4 39. 3 40. 5 41. 2 42. 5 43. 2 44. 3 45. 4 46. 3 47. 3 48. 2 49. 5 50. 3 51. 2 52. 4 53. 3 54. 5 55. 3 56. 5 57. 3 Chapter 5 Ventilation and air conditioning 1. From Q = 357Q (t r − t s ) = SH(273 + t 3 ) SH kW × (273 + t s) m 3 /s t r − t s 357 357Qt r − 357Qt s = 273SH + SH × t s 357Qt r − 273SH = SH × t s + 357Qt s 357Qt r − 273SH = t s (SH + 357Q) and t s = 357Qt r − 273SH SH + 357Q = 357 × 5 × 23 − 273 × 50 50 + 357 × 5 = 14.94 ◦ C. 2. 0.793 m 3 /s.
410 Appendix 4. 0.007469 kg H 2 O/kg air. 5. (a) No; (b) 21.2 ◦ C w.b.; 0.877 m 3 /kg; (c) 6.186 kW. 6. (a) 4.25 m 3 /s; (b) 4.86 m 3 /s; (c) 87.45%; (d) 4.13 m 3 /s; (e) 0.61 m 3 /s; (f) 3.52 m 3 /s. 7. 20 air changes/h. 14. 1680 mm × 930 mm. 16. 2.68 m 3 /s, 10.72 air changes/h, 0.0076 kg H 2 O/kg air. 17. t s 28.6 ◦ C d.b., reduce supply air quantity to 1.7 m 3 /s and use t s ,30 ◦ C d.b. if the room air change rate will not be less than 4 changes/h. 21. 14.45 air changes/h. 22. 15 air changes/h, 710 mm × 710 mm, 2 m 3 /s fresh air, 2 m 3 /s recirculated air, 3.6 m 3 /s extract air, 4 m 3 /s supply air duct, 0.4 m 3 /s natural exfiltration. 23. 4 24. 5 25. 2 26. 2 27. 1 28. 2 29. 5 30. 5 31. 3 32. 4 33. 2 34. 4 35. 1 36. 2 37. 4 38. 4 39. 5 40. 3 41. 1 42. 4 43. 1 44. 3 45. 2 46. 5 47. 3 48. 3, 4 49. 2, 4 50. 1, 5 51. 1, 3, 4 52. 3 53. 5 54. 2 55. 1 56. 5 57. 4 58. 5 59. 5 60. 4
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Building Services Engineering
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Building Services Engineering Fifth
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Contents Preface to fifth edition A
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Contents vii Sick building syndrome
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Contents ix Circuit design 294 Cabl
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Preface to fifth edition Building S
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Acknowledgements I am particularly
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Units and constants xv Table 2 Mult
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Symbols xvii Symbol Description Uni
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Symbols xix Symbol Description Unit
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2 Built environment Introduction Th
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4 Built environment Ventilation The
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6 Built environment (a) At full occ
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8 Built environment Table 1.2 Compa
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10 Built environment Because of the
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12 Built environment Visual display
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14 Built environment v = 7 m/s t a
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16 Built environment 1.4 Sling psyc
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18 Built environment 1.7 Thermistor
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20 Built environment t res = t g (1
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22 Built environment great care wit
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24 Built environment 16. An hotel l
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26 Built environment 37. Are any of
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28 Built environment building has a
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30 Built environment 73. What was t
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32 Energy economics Introduction Bu
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34 Energy economics 16. air-to-air
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36 Energy economics 1 kWh = 1 kWh
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38 Energy economics 2. Heat transfe
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40 Energy economics For solid fuel
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42 Energy economics gas cost = 1.80
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44 Energy economics Table 2.5 Carbo
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46 Energy economics EXAMPLE 2.8 A h
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48 Energy economics annual cost = u
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50 Energy economics EXAMPLE 2.12 Ex
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52 Energy economics l = 0.035 ( 1 0
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54 Energy economics Table 2.11 Valu
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56 Energy economics From Table 2.4
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58 Energy economics 3. Minimum outs
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3 Heat loss calculations Learning o
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62 Heat loss calculations Table 3.1
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64 Heat loss calculations Table 3.6
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66 Heat loss calculations Where onl
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68 Heat loss calculations The venti
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70 Heat loss calculations The surro
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72 Heat loss calculations The speci
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74 Heat loss calculations where R m
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76 Heat loss calculations The addit
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78 Heat loss calculations operation
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80 Heat loss calculations 2. The fo
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82 Heat loss calculations internal
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84 Heat loss calculations 27. Which
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86 Heating Key terms and concepts a
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88 Heating 4.2 Electrically heated
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90 Heating Sheet steel case Removab
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92 Heating Floor finish Screed with
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94 Heating Flue Return air plenum F
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96 Heating Table 4.1 Classification
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98 Heating Table 4.2 Heat output fr
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100 Heating Table 4.3 Flow of water
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102 Heating and, maximum available
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104 Heating This means that one vol
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106 Heating Performance testing A r
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108 Heating Electrical power genera
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110 Heating Combined heat and power
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112 Heating 3. A building energy ma
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114 Heating Connections are made to
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116 Heating remotely the MWh consum
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118 Heating 13. The two-pipe heatin
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120 Heating 27. Which is not correc
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122 Heating 39. Which of these is t
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124 Heating 4. Heat supplied is cha
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126 Ventilation and air conditionin
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6 Hot- and cold-water supplies Lear
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180 Hot- and cold-water supplies Wa
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182 Hot- and cold-water supplies po
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184 Hot- and cold-water supplies Ce
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186 Hot- and cold-water supplies st
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188 Hot- and cold-water supplies 0.
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190 Hot- and cold-water supplies 53
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192 Hot- and cold-water supplies an
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194 Hot- and cold-water supplies Ta
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196 Hot- and cold-water supplies Ta
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198 Hot- and cold-water supplies (a
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204 Hot- and cold-water supplies 49
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206 Soil and waste systems Introduc
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208 Soil and waste systems Open to
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210 Soil and waste systems 7. Bends
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212 Soil and waste systems The inte
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214 Soil and waste systems 40 mm wa
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216 Soil and waste systems Table 7.
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218 Soil and waste systems 50 mm ve
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220 Soil and waste systems 3. Long
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222 Surface-water drainage Table 8.
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224 Surface-water drainage Rectangu
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226 Surface-water drainage The solu
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228 Surface-water drainage 7. A PVC
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230 Below-ground drainage Design ca
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232 Below-ground drainage Manhole:
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234 Below-ground drainage From Fig.
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236 Below-ground drainage storage v
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238 Below-ground drainage 14. The f
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240 Condensation in buildings mould
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242 Condensation in buildings The w
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244 Condensation in buildings EXAMP
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246 Condensation in buildings This
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248 Condensation in buildings Tempe
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250 Condensation in buildings and,
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252 Condensation in buildings EXAMP
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254 Condensation in buildings Tempe
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256 Condensation in buildings For t
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258 Condensation in buildings 4. Ev
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11 Lighting Learning objectives Stu
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262 Lighting Table 11.1 Typical val
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264 Lighting Light sources 9 9 9 Wi
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266 Lighting Utilization factor The
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268 Lighting From Table 11.3, for a
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270 Lighting Table 11.4 Lamp data.
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272 Lighting number of lamps = 12.8
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274 Lighting 3. Sketch and describe
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276 Lighting 4. Insufficient inform
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278 Lighting 3. 800 lm/m 2 . 4. 260
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12 Gas Learning objectives Study of
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282 Gas Open to atmosphere Rubber p
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284 Gas EL = (1.25 × 34) m = 42.5
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286 Gas become exhausted. SNG will
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288 Gas are ignited and an air flow
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290 Gas 3. The pipe from a gas mete
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292 Electrical installations Key te
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294 Electrical installations curren
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296 Electrical installations 1 Volt
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298 Electrical installations power
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300 Electrical installations For1mm
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302 Electrical installations Table
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304 Electrical installations Incomi
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306 Electrical installations energi
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308 Electrical installations Starte
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310 Electrical installations Ethyle
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312 Electrical installations Test o
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314 Electrical installations Joint
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316 Electrical installations 4. 100
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318 Electrical installations 39. Wh
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320 Electrical installations 51. Wh
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322 Room acoustics 20. understand t
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324 Room acoustics pump blades and
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326 Room acoustics ceiling, Q is 4.
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328 Room acoustics Table 14.2 Solut
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330 Room acoustics Table 14.3 Fan s
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332 Room acoustics Table 14.4 Illus
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334 Room acoustics (Sound Research
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336 Room acoustics The target room
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338 Room acoustics Table 14.6 Noise
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340 Room acoustics 100 90 80 70 Sou
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342 Room acoustics 24. A forced-dra
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344 Room acoustics The room directi
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346 Room acoustics 3. Multiple sour
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348 Room acoustics 55. Which is not
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350 Fire protection computer monito
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352 Fire protection halogen gas, wh
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354 Fire protection the reach of tu
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356 Fire protection Range pipe Spri
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Page 383 and 384: 362 Plant and service areas Key ter
Page 385 and 386: 364 Plant and service areas 2.0 1.5
Page 387 and 388: 366 Plant and service areas Fuel st
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Page 401 and 402: 380 Plant and service areas 11. Wha
Page 403 and 404: 17 Mechanical transportation Learni
Page 405 and 406: 384 Mechanical transportation Table
Page 407 and 408: 386 Mechanical transportation Crowd
Page 409 and 410: 388 Mechanical transportation Hydra
Page 411 and 412: 390 Mechanical transportation 4. Co
Page 413 and 414: 18 Question bank Learning objective
Page 415 and 416: 394 Question bank 8. Which correctl
Page 417 and 418: 396 Question bank 5. This building
Page 419 and 420: 398 Understanding units Questions 1
Page 421 and 422: 400 Understanding units 15. Which i
Page 423 and 424: 402 Understanding units 29. Which o
Page 425 and 426: 404 Understanding units 43. Which i
Page 427 and 428: Appendix: answers to questions Chap
Page 429: 408 Appendix Chapter 3 Heat loss ca
Page 433 and 434: 412 Appendix 32. 5 33. 5 34. 3 35.
Page 435 and 436: 414 Appendix 23. Lighting 1200 h/ye
Page 437 and 438: 416 Appendix 27. 37 dB. 28. 39 dB.
Page 439 and 440: 418 Appendix 15. 5 16. 2 17. 5 18.
Page 441 and 442: References Action Energy, Departmen
Page 443 and 444: Index Absorption 154, 324 Absorptio
Page 445 and 446: 424 Index Gas burner controls 289 G
Page 447 and 448: 426 Index Sensible heat gains 137 S
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Building Services Engineering 5th Edition Handbook

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