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Floor plate analysis for natural ventilation to adopt mixed mode : case of office buildings in Ahmedabad (Also available on CD)

by Jatolia, Mitesh
Additional authors: Kashikar, Vishvanath (Guide)
Physical details: 72p.,livp.CD-ROM Year: 2015 List(s) this item appears in: thesis guided by kashikar
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Thesis M.Arch TH-0007 JAT Not for loan 014864

CONTENTS Abstract i Acknowledgments iii CONTENTS v List of Tables vii List of Figures ix List of Abbreviations xi 1. INTRODUCTION 1 1.1 Context: 1 1.2 Need for Study: 3 1.3 Research Question: 3 1.4 Aim: 3 1.5 Objectives: 4 1.6 Scope and Limitation: 4 1.7 Expected Outcome: 5 1.8 Methodology 5 2. MIXED MODE VENTILATION 7 2.1 About Mixed Mode: 7 2.2 Occupant Satisfaction in Mixed Mode Buildings: 9 2.3 Naturally Ventilated and mixed Mode Buildings – Part1: Thermal Modelling: 11 2.4 Simulation-based Hybrid Ventilation System Design and Evaluation: 12 3. COMPUTATIONAL FLUID DYNAMICS (CFD) 13 3.1 CFD - Meaning and its Applications: 13 3.2 Application of CFD in Building Design: Aspects and Trends 13 3.3 Natural and Mixed Ventilation Design via CFD and Architectural Modelling 15 3.4 Possibilities and Limitations of CFD for Indoor Climate Analysis 17 4. NATURAL VENTILATION AND THERMAL COMFORT IN INDIAN CONTEXT 21 4.1 Assessment of Air Velocity Preferences and Satisfaction for Naturally Ventilated Office Building in India: 21 4.2 Determining the Trade-offs between Thermal Comfort and Cooling Consumption in Indian Office Buildings: 22 4.3 Thermal Comfort in Offices in India: 22 4.4 The Potential for Natural Ventilation as a viable Passive Cooling Strategy in Hot Developing Countries: 23 5. CONTEXT STUDY OF AHMEDABAD 25 5.1 Macro Climate 26 5.2 Micro Climate 27 5.3 Comfort and Weather Analysis Tool 27 5.4 Comfort and Weather Analysis Results 29 5.5 Observations 33 5.6 Study Area 34 5.7 Building Geometry 36 5.8 Layout 40 5.9 Inferences 44 6. COMPUTATIONAL FLUID DYNAMICS (CFD) ANALYSIS 45 6.1 Site selection and Building dimensions 45 6.2 Test Cases 46 6.3 CFD Calculations and Convergence 47 6.4 External CFD 50 6.5 Understanding Results 52 6.6 Observations 53 6.7 Inferences for external layout 54 6.8 Test Case Internal Layouts 55 6.9 Internal CFD 56 6.10 Understanding Internal CFD Results 58 6.11 Observations for Internal Spaces 58 6.12 Inferences for internal analysis 60 7. NATURAL VENTILATION SIMULATIONS 61 7.1 Calculated Natural Ventilation 61 7.2 Boundary Conditions Data Entry 61 7.3 Test Case Simulation zones 63 7.4 About Simulation Results 64 7.5 Observations 64 7.6 Inferences 66 8. MIXED MODE VENTILATION SIMULATIONS 67 8.1 Data Entry 67 8.2 About Simulation Results 68 8.3 Observations 68 8.4 Inferences 70 9. CONCLUSION AND FURTHER RESEARCH 71 References and Bibliography xvii Appendices xix A1. Rectangular Building External CFD xix A2. H-Shaped Building External CFD xxii A3. L-Shaped Building External CFD xxv A4. Internal CFD xxviii A5. Rectangular Building Natural Ventilation Simulations xxxi A6. H-Shaped Building Natural Ventilation Simulations xxxv A7. L-Shaped Building Natural Ventilation Simulations xxxix A8. Rectangular Building Mixed Mode Simulations xliii A9. H-Shaped Building Mixed Mode Simulations xlvii A10. L-Shaped Building Mixed Mode Simulations li

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