The Thermal and Rainwater Runoff Performance of an Extensive ...

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3.5.3 Substrate………………………………………….Page 263.5.4 Vegetation Layer…………………………………Page 274 Benefits of Green Roofs……………………………………Page 284.1 Biodiversity………………………………………….Page 304.2 Sustainable Drainage……………………..…….……Page 304.3 Climate Change Mitigation and Adaption……….….Page 314.4 Reducing the Urban Heat Island Effect…………..….Page 334.5 Sound Insulation………………………………..……Page 344.6 Building Fabric…………………………………...….Page 354.7 Green Roofs and Solar Panels……………….………Page 365 UK Policy on Green Roofs…………………………………Page 376 Green Roof Research………………….……………………Page 386.1 Thermal Performance of Green Roofs…………...….Page 386.1.1 Reduction of Heat Flux and Solar Reflectivity…..Page 386.1.2 Thermal Mass…………………………………….Page 396.1.3 Substrate Thickness and Moisture Content………Page 406.1.4 Evaporative Effect and Substrate MoistureContent…………………………………………..Page 416.2 Rainfall Runoff Performance of Green Roofs………Page 42Niall Carroll Page 6The Thermal and Rainwater Runoff Performance of an Extensive Green Roof System
6.2.1 Rainfall Runoff Relationship with StorageCapacity………………………………………….Page 426.2.2 Role of Vegetation…………………………….…Page 436.2.3 Influence of Slope…………………………….….Page 437 Methodology……………………………………………….Page 447.1 Green Roof Test Rig for Thermal Performance……..Page 447.1.1 Sedum Blanket……………………………….…..Page 467.1.2 NI USB-9211………………………………….…Page 477.1.3 Thermocouples……………………………….….Page 487.1.4 NI USB-6008……………………….……………Page 507.1.5 Humidity Sensor…………………………………Page 517.1.6 NI DAQmx and Labview Signal Express………..Page 557.1.6.1 Data Acquisition Method………………….Page 557.1.6.2 Thermocouple Step………………………..Page 557.1.6.3 Humidity Sensor Step……………………..Page 567.2 Green Roof Energy Balance…………………………Page 587.3 Green Roof Test Rig for Rainfall Runoff…………...Page 618 Results and Analysis……………………………………….Page 648.1 Thermal Performance……………………………….Page 648.1.1 Test 1…………………………………………..…Page 64Niall Carroll Page 7The Thermal and Rainwater Runoff Performance of an Extensive Green Roof System
Page 1 and 2: Department of Mechanical Engineerin
Page 3 and 4: AbstractThis project addresses the
Page 5: Table of Contents1 Introduction…
Page 9 and 10: List of FiguresFigure 1: Traditiona
Page 11 and 12: Figure 32: Humidity Sensor Located
Page 13 and 14: 1 Introduction1.1 Green Roof Defini
Page 15 and 16: incorporate green roofs into their
Page 17 and 18: 2.3 ExtensiveFigure 5: Extensive Gr
Page 19 and 20: 2.33 Green/Brown Roofs for Biodiver
Page 21 and 22: 3 Construction of Green RoofsThe co
Page 23 and 24: 3.2 Inverted Warm Green Roof Constr
Page 25 and 26: Although less versatile than intens
Page 27 and 28: There are four main methods of esta
Page 29 and 30: • extension of park system• pro
Page 31 and 32: In summer, green roofs can retain 7
Page 33 and 34: The urban heat island effect descri
Page 35 and 36: 4.6 Building FabricWhen vegetation
Page 37 and 38: 5 UK Policy on Green RoofsThere are
Page 39 and 40: Figure 16: Summer Temperatures of R
Page 41 and 42: However, the previous study mention
Page 43 and 44: Similarly, Simmons et al. [41] foun
Page 45 and 46: Figure 20: Green Roof Test Rig for
Page 47 and 48: The mineral content of the substrat
Page 49 and 50: Figure 25: NI USB-9211 Thermocouple
Page 51 and 52: It was used to acquire the relative
Page 53 and 54: Figure 33: NI USB-6008 Terminal Ass
Page 55 and 56: Figure 35: Labview Signal Express T
Page 57 and 58:
7.2 Green Roof Energy BalanceThe gr
Page 59 and 60:
(4)Where,α s = Shortwave Absorptiv
Page 61 and 62:
A green roof test rig was set up to
Page 63 and 64:
Figure 40: Green Roof Test Rig for
Page 65 and 66:
second day of the experiment. The l
Page 67 and 68:
with the artificial rain event. Whe
Page 69 and 70:
References1. Sailor D.J. ‘A Green
Page 71 and 72:
31. Mellor, R.S. Salisbury, F.B. Ra
Page 73 and 74:
Appendix 1Niall Carroll Page 73The
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