[esp-r] New edition of the ESP-r cookbook and matched exercises are now available.
Jon Hand
jon at esru.strath.ac.uk
Thu Sep 11 07:35:53 BST 2008
ESRU is pleased to announce the September 2008 version of the
ESP-r Cookbook and the Exercises Volume are now availabe as
PDF files on the publications page of the ESRU web site
<http://www.esru.strath.ac.uk>
Below is the table of contents of the revised Cookbook.
Note: some of the new chapters (e.g. CFD) include only an introduction
and will be completed at a later date.
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THE ESP-r COOKBOOK
Strategies for Deploying Virtual Representations
of the Build Environment
Jon William Hand B.Sc., M.Arch., PhD
Energy Systems Research Unit
Department of Mechanical Engineering
University of Strathclyde, Glasgow, UK.
4 September, 2008
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Table of Contents
Abstract . . . . . . . . . . . . . . . . . . . . . . . . . . . . . v
Acknowledgements . . . . . . . . . . . . . . . . . . . . . . . . . vi
1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . 1
1.1 Tactical approaches . . . . . . . . . . . . . . . . . . . . 3
1.2 The client specification . . . . . . . . . . . . . . . . . . 5
1.3 Design questions . . . . . . . . . . . . . . . . . . . . . . 7
1.4 Model planning . . . . . . . . . . . . . . . . . . . . . . . 8
1.5 Model coordinates . . . . . . . . . . . . . . . . . . . . . 9
1.6 How the building is used . . . . . . . . . . . . . . . . . . 13
1.7 Environmental controls . . . . . . . . . . . . . . . . . . . 17
1.8 Model composition . . . . . . . . . . . . . . . . . . . . . 20
2 Building a model . . . . . . . . . . . . . . . . . . . . . . . . 22
2.1 Review of climate patterns and databases . . . . . . . . . . 26
2.2 Locating constructions for our model . . . . . . . . . . . . 31
2.3 Zone composition tactics . . . . . . . . . . . . . . . . . . 33
2.4 Model topology . . . . . . . . . . . . . . . . . . . . . . . 50
3 Geometry alternative inputs . . . . . . . . . . . . . . . . . . . 52
3.1 To the keyboard . . . . . . . . . . . . . . . . . . . . . . 53
3.2 Clicking on a bitmap . . . . . . . . . . . . . . . . . . . . 57
3.3 Examples of approaches to take . . . . . . . . . . . . . . . 58
4 3D Modelling . . . . . . . . . . . . . . . . . . . . . . . . . . 63
4.1 Modelling approaches . . . . . . . . . . . . . . . . . . . . 64
4.2 Steps to create a roof space . . . . . . . . . . . . . . . . 68
4.3 Shading obstructions . . . . . . . . . . . . . . . . . . . . 73
5 Schedules . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
5.1 Scheduled air flows . . . . . . . . . . . . . . . . . . . . 79
5.2 Importing operation schedules . . . . . . . . . . . . . . . 79
6 Climate data . . . . . . . . . . . . . . . . . . . . . . . . . . 82
6.1 Importing climate data . . . . . . . . . . . . . . . . . . . 82
6.2 Defining seasons and typical periods . . . . . . . . . . . . 83
6.3 Climatelist entries . . . . . . . . . . . . . . . . . . . . 87
7 Zone environmental control . . . . . . . . . . . . . . . . . . . 90
8 Thermophysical resolution . . . . . . . . . . . . . . . . . . . . 92
9 Preparation for simulation . . . . . . . . . . . . . . . . . . . 94
10 Understanding performance predictions . . . . . . . . . . . . . 97
11 Flow networks . . . . . . . . . . . . . . . . . . . . . . . . . 100
11.1 Limitations of Scheduled Flow . . . . . . . . . . . . . . . 100
11.2 Fluid Flow Networks . . . . . . . . . . . . . . . . . . . . 100
11.3 Building blocks . . . . . . . . . . . . . . . . . . . . . . 102
11.3.1 Flow components . . . . . . . . . . . . . . . . . . . . 103
11.3.2 Flow connections . . . . . . . . . . . . . . . . . . . . 104
11.4 Steps in creating a network . . . . . . . . . . . . . . . . 106
11.5 A simple network . . . . . . . . . . . . . . . . . . . . . 108
11.6 To the keyboard... . . . . . . . . . . . . . . . . . . . . 111
11.7 Calibrating flow models . . . . . . . . . . . . . . . . . . 115
11.8 Flow control . . . . . . . . . . . . . . . . . . . . . . . 118
11.9 To the keyboard... . . . . . . . . . . . . . . . . . . . . 120
11.10 Window representations . . . . . . . . . . . . . . . . . . 124
11.10.1 Component selection . . . . . . . . . . . . . . . . . . 126
11.11 Schedules vs networks . . . . . . . . . . . . . . . . . . 128
11.12 Limitation of Network flow . . . . . . . . . . . . . . . . 134
12 Detailed flow via CFD . . . . . . . . . . . . . . . . . . . . . 136
13 Plant . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 139
13.1 Using a component network to represent mechanical ven-
tilation . . . . . . . . . . . . . . . . . . . . . . . . . . . . 140
13.2 Defining containments . . . . . . . . . . . . . . . . . . . 146
13.3 Finishing off the model and testing . . . . . . . . . . . . 146
13.4 Moving from ideal demands to thermal zone demands . . . . . 149
13.5 Links to zones and controls . . . . . . . . . . . . . . . . 153
14 Working procedures . . . . . . . . . . . . . . . . . . . . . . . 158
14.1 How can the vendor help? . . . . . . . . . . . . . . . . . 159
14.2 Responsibilities within simulation teams . . . . . . . . . 159
14.3 Classic mistakes . . . . . . . . . . . . . . . . . . . . . 160
14.4 Planning simulation projects . . . . . . . . . . . . . . . 161
14.5 Team manager . . . . . . . . . . . . . . . . . . . . . . . 165
14.6 The quality manager . . . . . . . . . . . . . . . . . . . . 167
14.7 Simulation staff . . . . . . . . . . . . . . . . . . . . . 171
14.8 The mentor . . . . . . . . . . . . . . . . . . . . . . . . 174
14.9 The domain expert . . . . . . . . . . . . . . . . . . . . . 176
14.10 Staff productivity . . . . . . . . . . . . . . . . . . . . 178
14.11 Summary . . . . . . . . . . . . . . . . . . . . . . . . . 179
15 Model Quality . . . . . . . . . . . . . . . . . . . . . . . . . 180
15.1 How can the vendor help? . . . . . . . . . . . . . . . . . 180
15.2 Responsibilities within simulation teams . . . . . . . . . 182
15.3 Model planning . . . . . . . . . . . . . . . . . . . . . . 185
15.4 Complexity . . . . . . . . . . . . . . . . . . . . . . . . 186
15.5 Multi-criteria assessments . . . . . . . . . . . . . . . . 187
15.6 Semantic checks . . . . . . . . . . . . . . . . . . . . . . 191
15.7 Team Checklists . . . . . . . . . . . . . . . . . . . . . . 193
15.8 Simulation outputs . . . . . . . . . . . . . . . . . . . . 199
15.9 The model contents report . . . . . . . . . . . . . . . . . 202
15.10 Summary . . . . . . . . . . . . . . . . . . . . . . . . . 209
16 Install Appendix . . . . . . . . . . . . . . . . . . . . . . . . 211
17 Version Appendix . . . . . . . . . . . . . . . . . . . . . . . . 218
17.1 Text mode . . . . . . . . . . . . . . . . . . . . . . . . . 218
17.2 Legacy X11 graphics . . . . . . . . . . . . . . . . . . . . 221
17.3 GTK+ graphics . . . . . . . . . . . . . . . . . . . . . . . 223
18 ESP-r capabilities . . . . . . . . . . . . . . . . . . . . . . . 226
18.1 General modelling features . . . . . . . . . . . . . . . . 227
18.2 Zone Loads . . . . . . . . . . . . . . . . . . . . . . . . 228
18.3 Building envelope and day-lighting . . . . . . . . . . . . 229
18.4 Infiltration ventilation and multi-zone air flow . . . . . 230
18.5 Renewable energy systems and electrical systems . . . . . . 231
18.6 Ideal environmental controls . . . . . . . . . . . . . . . 232
18.7 Component based systems . . . . . . . . . . . . . . . . . . 233
18.8 Environmental emissions . . . . . . . . . . . . . . . . . . 234
18.9 Climate data . . . . . . . . . . . . . . . . . . . . . . . 234
18.10 Results reporting . . . . . . . . . . . . . . . . . . . . 235
18.11 Validation . . . . . . . . . . . . . . . . . . . . . . . . 236
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ABSTRACT
This Cookbook uses the general purpose simulation suite ESP-r as a
platform to explore strategies for deploying virtual representations of
the built environment to answer questions posed in the real world of
design and research groups.
The Cookbook talks about translating client questions into virtual rep-
resentations that are no more and no less complex than is required for
the task. It talks about re-discovering the power of pencils and paper
and it dares to mention the word methodology. And discovering valuable
patterns in the clutter and then learning the art of responding to what
if questions. And since the author is professionally paranoid you might
pick up some new definitions of the word QA.
Almost all of the strategies presented can be applied to the task of
creating elegant virtual representations in other simulation suites.
Readers might alert their colleagues to take a peak.
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