Table of Contents
1. DECLARATION III
2. APPROVAL V
3. ACKNOWLEDGEMENT IX
4. LIST OF FIGURES XIII
5. LIST OF TABLES XIV
6. LIST OF ABBREVIATIONS XV
7. LIST OF VARIABLES XV
1. INTRODUCTION AND BACKGROUND 2
1.1 BACKGROUND 2
1.2 SIGNIFICANCE OF THE STUDY 2
2. PURPOSE STATEMENT 2
2.1 RESEARCH QUESTIONS 3
2.1.1 Primary research question 3
2.1.2 Secondary research question 3
2.2 RESEARCH OBJECTIVE 3
3. LITERATURE REVIEW 4
3.1 IMPORTANCE OF IAQ TO HUMAN HEALTH 4
3.2 NEED FOR THE STUDY 4
3.3 ASSOCIATION OF VENTILATION RATES AND CO2 CONCENTRATION WITH STUDENT’S ACADEMIC PERFORMANCE AND
HEALTH-INTERNATIONAL STUDIES 4
3.4 STUDIES RELEVANT TO RESEARCH METHODOLOGY 7
3.4.1 Onsite procedure 7
3.4.2 Application of metabolic rate in ventilation study 7
3.4.3 Estimation of ventilation rates 7
4. RESEARCH METHODOLOGY 8
4.1 OVERVIEW- 8
4.2 APPROACH AND OBJECTIVE OF FIELD MEASUREMENTS 8
4.3 IDENTIFYING AND RECRUITING SCHOOLS 8
4.4 INSTRUMENTATION AND MEASUREMENTS 9
4.5 LAB CALIBRATION OF CO2 LOGGER 10
4.6 FIELD MEASUREMENTS 12
4.6.1 Field details 12
4.6.2 Measurement Setup 13
4.6.3 Daily monitoring procedure: 14
4.7 APPLICATION OF THEORY 15
4.7.1 Introduction 15
4.7.2 Estimating air flow from Css (Q1) 15
4.7.3 Estimating Ventilation Rates-Using Air Speed Measurements (alternate flow measurements)-Q2 16
5. RESULTS AND ANALYSIS 18
5.1 VENTILATION RATES IN AHMEDABAD CLASSROOMS 18
5.2 MEASURED PARAMETERS OF INDOOR AND OUTDOOR CO2 CONCENTRATION, TEMPERATURE, RH AND PARTICULATE MATTER 19
5.2.1 CO2 concentration 19
5.2.2 Temperate and RH 20
5.2.3 Particulate Matter 20
5.3 COMPARISON OF Q1 AND Q2 21
5.4 COMPARISON OF VR OF AHMEDABAD CLASSROOM TO INTERNATIONAL STUDIES 21
5.5 COMPARISON OF VR OF AHMEDABAD CLASSROOM TO ASHRAE (2016) AND BUREAU OF INDIAN STANDARDS (2016) 22
6. CONCLUSION 24
7. FUTURE SCOPE: 25
8. REFERENCES 26
9. ANNEXURE 28
A. IDENTIFYING AND RECRUITING SCHOOLS 28
B. CALIBRATION 29
B.1. SPECIFICATION OF THE COMPRESSED CO2 CYLINDER 29
B.2. ESTIMATION OF THE CALIBRATION ERROR 29
C. DETAILS OF INTERVIEW 31
D. SCHOOLS DESCRIPTION 32
E. NON-LINEAR CURVE FITTING USING SOLVER 35
F. DATA 36
F.1. VELOCITY MEASUREMENT 36
F.1.1. SCHOOL C 37
F.1.2. SCHOOL D 37
F.2. CO2 MEASUREMENTS IN EACH CLASSROOM 38
F.2.1. SCHOOL A: CLASSROOM 38
F.2.2. SCHOOL A: CLASSROOM 2 39
F.2.3. SCHOOL B: CLASSROOM 1 40
F.2.4. SCHOOL B: CLASSROOM 2 40
F.2.5. SCHOOL C: CLASSROOM 1 41
F.2.6. SCHOOL C: CLASSROOM 2 42
F.2.7. SCHOOL D: CLASSROOM 1 42
F.2.8. SCHOOL D: CLASSROOM 2 43
F.2.9. SCHOOL E: 44
F.2.10. SCHOOL F: CLASSROOM 1 44
F.2.11. SCHOOL F: CLASSROOM 2 45