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Christophel, Snowy S (PG190964)

Understanding active shading usage behaviour of external movable shades in residential buildings of Ahmedabadshades in residential buildings of Ahmedabadshades in residential buildings of Ahmedabad (Softcopy is also available) - 2021 - 41P.

Table of contents
Abstract 4
Acknowledgement 5
CHAPTER 1 9
INTRODUCTION 9
1.1 Background 9
1.2 Statement of the problem 10
1.3 Aim 10
1.4 Objectives 10
1.5 Scope and limitations 10
CHAPTER 2 11
LITERATURE REVIEW 11
2.1 Identifying motivating factors from online survey 11
2.2 Monitoring balcony shade usage from field study 11
2.3 Sky type identification experimentation 13
2.4 Data analysis for Shade position metrics 13
2.4.1 Mean Shade Occlusion 13
2.4.2 Frequency of shade movement 14
2.4.3 Statistical analysis using ANOVA 14
CHAPTER 3 15
METHODOLOGY 15
3.1 Methodology flow chart 15
3.2 Questionnaire survey 15
3.3 Field study 16
CHAPTER 4 22
RESULTS 22
4.1 Questionnaire survey responses 22
4.1.1 Manual shade closing reasons 22
4.1.2 Manual shade opening reasons 23
4.1.3 Frequency of shade movement with floor levels 23
4.1.4 Frequency of shade movement with time of a day 24
4.2 Field study analysis 24
4.2.1 Number of shade movement 25
4.2.2 Frequency of shade movement 26
4.2.3 Average Shade Occlusion 28
4.3 Contextual variable wrt Average Shade Occlusion (%) 29
4.3.1 Sun exposure hours 29
4.3.2 Solar Radiation 31
4.3.3 Space type wrt Average Shade Occlusion 32
4.3.4 Floor levels wrt Average Shade Occlusion 32
4.3.5 CIE sky types wrt Average Shade Occlusion 32
4.4 Outdoor variables wrt Average Shade Occlusion (%) 33
4.4.1 Outdoor temperature wrt Average Shade Occlusion 33
4.4.2 Direct Solar Radiation wrt Average Shade Occlusion 33
4.5 ANOVA 34
CHAPTER 5 35
CONCLUSIONS 35
5.1 Recommendations 37
5.2 Discussions 37
6.0 REFERENCES 38
7.0 APPENDIX A: BALCONY SHADE USAGE BEHAVIOUR SURVEY 39
APPENDIX B: STATISTICAL TEST_ TABLES 40
APPENDIX C: USER CATEGORY CALCULATION 41



Dewey Class. No.: MBEP TH-0058 / CHR