Associate Professor Chandra Sekhar - School of Design ...

Associate Professor Chandra Sekhar
Academic/Professional Qualifications:
• PhD (1990) - University of Adelaide, Australia
• B.E. Honours (1984) [Mechanical Engineering] - University of
Rajasthan, India
• Chartered Professional Engineer, The Institution of Engineers,
Australia
Awards/Honours (post-PhD):
• ASHRAE Distinguished Service Award
• ASHRAE Distinguished Lecturer
• Fellow ASHRAE
• Fellow ISIAQ (International Society for Indoor Air Quality and Climate)
• Associate Editor of ASHRAE HVAC&R Research journal (July 2009 - To date)
• Member of the Editorial Board, Energy and Buildings journal, Elsevier Ltd (June 2005 – To
date)
• Member of the Editorial Board, International Journal of Ventilation (July 2007 – To date)
• 3 US and PCT patents in the area of energy efficient air-conditioning system with zonal
ventilation control
• The Enterprise Challenge (TEC) Award, Prime Minister's Office, Singapore, 2004, Field trial of
a newly developed and patented air-conditioning system,
Employment Record:
• Associate Professor (2002 - present); Assistant Professor (1999 - 2001); Senior Lecturer (1997 -
1999); Lecturer (1992 - 1997) - National University of Singapore
• Post Doctoral Fellow (Jan 1990 - April 1991) - University of Adelaide, Australia
• Senior Engineer (1984 - 1986) - Eicher Goodearth Limited, New Delhi, India
Administrative Leadership:
� Program Director (MSc - Building Performance and Sustainability) : 2010 - To date
� Director of External Relations : 2004 - 2007
� Program Director, MSc (Building Science) : (1999 – 2004), (2007 – 2010)
� Deputy Course Leader, MSc (Building Science) : 1996 - 1999
� Deputy Director, Centre for Building Performance and Construction : 1998 - 2000
Teaching Areas Research Areas
• Total Building Performance
• Green Building Integration and Evaluation
• Thermal comfort and Indoor Air Quality
• Energy efficiency and Renewable energy
• Building Energy Analysis & Management
• Building Science
• Thermal Comfort & Indoor Air Quality
• Energy Efficient Air-conditioning Systems –
Demand Cooling and Demand Ventilation
• Personalised Ventilation
• Building Energy Analysis
• CFD Application in Buildings
• UVGI applications in air-conditioning for
enhanced IAQ and energy efficiency

Membership of International Conference Committees (2006 – To date)
1. Member of the International Scientific Committee, Indoor Air 2011, Austin, USA (5-10 June
2011)
2. Member of the International Scientific Committee, IAQVEC 2010, Syracuse, USA (15-18 August
2010)
3. Member of the International Scientific Committee, CLIMA 2010 - Sustainable Energy Use in
Buildings, May 9-12, 2010, Antalya, Turkey.
4. Member, Technical Program Committee, Healthy Buildings 2009, 9 th International Conference,
September 13-17, 2009, Syracuse, USA.
5. Member of the International Scientific Committee, Roomvent 2009, 11 th International Conference
on Air Distribution in Rooms, May 24-27, 2009, Busan, Korea.
6. Member of the International Scientific Committee, EERB-BEPH 2009, The Fifth International
Workshop on Energy and Environment of Residential Buildings and The Third International
Conference on Built Environment and Public Health, May 27-29, 2009, Guilin, China.
7. Member of the International Scientific Committee, 29 th AIVC Conference - Advanced building
ventilation and environmental technology for addressing climate change issues, October 14-16,
2008, Kyoto, Japan.
8. Member of the International Scientific Committee, First International Conference on Building
Energy and Environment (COBEE), August 4-6, 2008, Dalian, China
9. Member of the International Scientific Committee, Indoor Air 2008, Copenhagen, Denmark (17-
22 August 2008)
10. Member, Technical Advisory Committee, Energex 2007, Singapore (26-30 November 2007)
11. Technical Committee Reviewer, PLEA 2007, Singapore (22-24 November 2007)
12. Member of the International Scientific Committee, Roomvent 2007, Helsinki, Finland (13-15 June
2007)
13. Member of the International Scientific Committee, IAQVEC 2007, (6 th International Conference
on IAQ, Ventilation and Energy Conservation in Buildings, Sendai, Japan (October 28-31, 2007)
14. Member of the International Scientific Committee, 37 th International Congress on HVAC&R,
Belgrade, Serbia (6-8 December 2006)
15. Member of the International Advisory Committee of Healthy Buildings 2006 – Lisbon, Portugal
(June 4-8, 2006)
Invited presentations at scientific meetings/workshops (2006 – To date)
ASHRAE – Distinguished Lecturer Talks
1. ASHRAE Distinguished Lecturer Talks – Seminar on HVAC&R - ACREX 2010, 17-20 February
2010, Mumbai, India. “Ventilation, IAQ and Energy issues in hot humid climates” and
“International IAQ and Ventilation Standards”.
2. ASHRAE Distinguished Lecturer Talk, “Ventilation, IAQ and Energy Issues in Hot Humid
Climates – Past, Present and Future”. 2 March 2009, Taipei
3. ASHRAE Distinguished Lecturer Talk, “International Ventilation and IAQ Standards”. 27
February 2009, Bangkok
4. ASHRAE Distinguished Lecturer Talk, “International Ventilation and IAQ Standards”. 28
November 2008, Singapore.
5. ASHRAE Distinguished Lecturer Talk, “Integrated IAQ and Energy Case Studies in the Tropics”.
10 June 2008, Karachi (Pakistan Chapter Dinner Talk).
6. ASHRAE Distinguished Lecturer Talk, “Integrated IAQ and Energy Case Studies in the Tropics”.
12 June 2008, Lahore (Pakistan Chapter Dinner Talk).
7. ASHRAE Distinguished Lecturer Talk, “Decoupled Ventilation Strategies for Enhanced IAQ –
“Demand Ventilation” and “Demand Cooling”. 13 May 2008, Pensacola (Northwest Florida
Chapter Luncheon Talk).
8. ASHRAE Distinguished Lecturer Talk, “Decoupled Ventilation Strategies for Enhanced IAQ –
“Demand Cooling” and “Demand Ventilation”. 13 April 2007, Singapore. (ASHRAE Singapore
Chapter dinner talk – co-organised with Department of Building, National University of
Singapore)
9. ASHRAE Distinguished Lecturer Talk, “Decoupled Ventilation Strategies for Enhanced IAQ –
“Demand Cooling” and “Demand Ventilation”. Joint Symposium, 14 November 2006, Hong
Kong.

10. ASHRAE Distinguished Lecturer Talk, “Ventilation, IAQ and Energy Issues in Hot Humid
Climates – Past, Present and Future”. 22 November 2006, Kula Lumpur. (Malaysia Chapter
dinner talk).
11. ASHRAE Distinguished Lecturer Talk, “Decoupled Ventilation Strategies for Enhanced IAQ –
“Demand Cooling” and “Demand Ventilation”: Recent Findings”. 37 th International Congress on
Heating, Refrigerating and Air-conditioning, Belgrade, 6-8 December 2006. (incorporating
Danube Chapter talk)
12. ASHRAE Distinguished Lecturer Talk, “Ventilation in hot and humid climates : Decoupled
ventilation”. 4 December 2006, Warsaw (Polonia Chapter Luncheon Talk).
13. ASHRAE Distinguished Lecturer Talk, “Ventilation, IAQ and Energy Issues in Hot Humid
Climates – Past, Present and Future”. 1 December 2006, Bangalore. (South India Chapter
dinner talk).
14. ASHRAE Distinguished Lecturer Talk, “Ventilation, IAQ and Energy Issues in Hot Humid
Climates – Past, Present and Future”. 30 December 2006, Chennai. (South India Chapter
Luncheon talk).
ASHRAE – Other Invited Talks/Workshops
1. Invited workshop instructor – “Complying with ASHRAE/ANSI Standard 62.1: Ventilation for
acceptable indoor air quality. Dubai, 20 April 2009. ASHRAE’s Dubai/Falcon Emirates Chapter
2. Invited workshop instructor – “Complying with ASHRAE/ANSI Standard 62.1: Ventilation for
acceptable indoor air quality. Kuwait, 22 April 2009. ASHRAE’s Kuwait Chapter
3. Invited speaker for a Seminar in ASHRAE Winter Meeting, New York City, 22 January 2008,
“Green Mark Scheme in Singapore - Towards environment-friendly building design” – Seminar
40
4. Invited speaker for a Seminar in ASHRAE Annual Meeting, Long Beach, 26 June 2007,
“Thermal comfort of semi-outdoor spaces in hot and humid climate” – Seminar 52
5. Invited speaker for a Seminar in ASHRAE Winter Meeting, Chicago, 23 January 2006, “Findings
of personalized ventilation studies in a hot and humid climate” – Seminar 25
6. Invited speaker for a Seminar in ASHRAE Winter Meeting, Chicago, 23 January 2006,
“International Ventilation Standards” – Seminar 37
Other International Talks/Workshops
1. Sekhar, S C, "Technological Innovation – Key to good IAQ and Sustainability". Techmantra 2009
: Technology and You - Design, Innovate and Sustain (Invited paper) (28 - 31 May 2009,
Tarika's Jungal Retreat, Chail, India) (This Technical Paper presentation was made over SKYPE
(from Singapore) to participants in Chail, India).
2. Plenary Speaker – “Towards Energy Efficient Healthy Buildings in the Tropics”. ACRECONF
2009 – 2 Day International Technical Conference (Reaching out for a Green tomorrow), New
Delhi, 20-21 February 2009.
3. Public Lecture – “Emerging HVAC Technologies for Energy Efficient Healthy Buildings in Hot
and Humid Climates”. 13 June 2008, University of Engineering and Technology, Lahore,
Pakistan.
4. Invited Speaker, 10 th Global Engineering Conference 2008, Las Vegas, April 9-11, 2008.
“Sustainable Design for Hot Humid Climates – Emerging HVAC Technologies for Energy
Efficient Healthy Buildings.
5. Guest Lecture on 2 February 2007 at the University of Nebraska at Lincoln (Omaha Campus).
“Ventilation in hot humid climates – Decoupled Ventilation”
Local Talks
1. Invited Speaker - Seminar on Singapore Standards for Air Conditioning, Mechanical Ventilation
and Indoor Air Quality, 24 November 2009, SPRING Singapore – “Overview of SS 554:2009
Indoor Air Quality for Air-conditioned Buildings”
2. Invited speaker on 18 January 2007 at a Seminar (Launch of SS 530:2006 Energy Efficiency
Standard for Building Services & Equipment), Singapore. “Updates on Development of SS :
Indoor Air Quality in Air-conditioned Buildings”

Service to Profession/Industry (2005 – To date)
International
American Society of Heating, Refrigerating and Air-conditioning Engineers (ASHRAE), USA
Member, ASHRAE Environmental Health Committee (2006-2011)
IAQ2010 (2008-2010) : Chair, IAQ 2010 Steering Committee and Member, Malaysia Chapter
Organising Committee
Member, ASHRAE Standard SSPC 55 (Thermal Environmental Conditions for Human
Occupancy) (2005-2009)
Member, ASHRAE Standard SSPC 62.1 (Ventilation and Acceptable Indoor Air Quality) (2004-
2012)
Member, ASHRAE TC 2.1 (Physiology and Human Environment) (2004 - To Date)
Member, ASHRAE TC 4.3 (Ventilation Requirements & Infiltration) (2004 - To Date)
Member, Project Monitoring Committee, ASHRAE Hot & Humid Climate Design Guide (2007-
2008)
Member, Airborne Infectious Disease (AID) Position Document (PD) Committee (2007-2008)
Member, Mold and Moisture Position Document Committee (2008-2010)
Member, IAQ Position Document Committee (2008-2010)
ISIAQ
• Member, Scientific and Technical Committee - STC 21 Ventilation (2010 - To date)
Local
ASHRAE Singapore Chapter
• President, ASHRAE Singapore Chapter, Member, Board of Governors (2010-11)
• President-Elect, ASHRAE Singapore Chapter, Member, Board of Governors (2009-10)
• Secretary, ASHRAE Singapore Chapter, Member, Board of Governors (2008-09)
• Chairman, Chapter Technology Transfer Committee (CTTC); Member, Board of Governors;
ASHRAE Singapore Chapter (2005-2008)
Others
1. Technical Committee member – Building Maintenance and Management - Singapore Standards,
Productivity and Innovation Board, SPRING Singapore (2007 – 2010)
2. Invited Member, Energy Modeling Technical Committee, Building and Construction Authority,
Singapore (2006-2007)
3. Technical Committee member – Facilities Management - Singapore Standards, Productivity and
Innovation Board, SPRING Singapore (2002 – 2007)
4. Co-convener of the Working Group for IAQ, SPRING Singapore (2005- 2009). Singapore
Standard SS 554 : Code of Practice for Indoor Air Quality for air-conditioned buildings -
Launched in November 2009.
5. Member of the Working Group for the review of CP13 (Code of Practice for Mechanical
Ventilation and Air-conditioning in Buildings), SPRING Singapore, (July 2005 - 2009). Singapore
Standard SS 553 : Code of Practice for Air-conditioning and mechanical ventilation in buildings -
Launched in November 2009.
6. Member of the Working Group for the review of CP24 (Code of Practice for Energy Efficiency
Standard for Building Services and Equipment), SPRING Singapore, (2004 – 2006)
7. Technical Assessor for Indoor Air Quality Assessment for Singapore Laboratory Accreditation
Scheme (SINGLAS), Singapore Productivity and Standards Board. (1997 – To date)
Consultancy (2006 – To date))
1. Jurong Town Corporation, Singapore : Analytical and experimental study on reducing thermal
energy into a building, (2010).
2. Jurong Town Corporation, Singapore : Energy Performance Simulation Study involving
Thermal Energy Storage Facade System, (2010).
3. ASHRAE Learning Institute, USA : To conduct workshop – “Complying with ASHRAE/ANSI
Standard 62.1: Ventilation for acceptable indoor air quality. Dubai and Kuwait (2009).
4. Carrier Corporation, Syracuse, USA : Invited speaker at the Global Engineering Conference
2008.
5. Alexandra Hospital, Ministry of Health, Singapore : TBP consultant for Khoo Teck Puat
Hospital (2006-2010)

6. Singapore Accreditation Council, SPRING Singapore : SAC-SINGLAS Surveillance
Assessment to “Singapore Testing Services Environmental Laboratory” – Role of a Technical
Assessor in the area of IAQ parameters (2007).
Selected Publications:
Recent Peer-reviewed Journal Articles
1. Sekhar, S C, K W Tham and K W Cheong, Indoor air quality and energy performance of airconditioned
office buildings in Singapore. Indoor Air - International Journal of Indoor Air Quality
and Climate. Vol 13, Issue 4, pp 315-331. (Denmark) (2003)
2. Sekhar, S C and H.C. Willem, Impact of airflow profile on Indoor Air Quality - A Tropical Study
(Abstract). Building and Environment, Vol 39, Issue 3, pp 255-266 (2003)
3. Sekhar, S C, K W Cheong, K W Tham and BL Phua, Effectiveness of purging in an airconditioned
office building in Singapore. The International Journal of Ventilation, Volume 2, 3
(December 2003): 237-250. (United Kingdom).
4. Zuraimi Bin Mohamed Sultan, K W Tham and S C Sekhar, A Study on the Identification and
Quantification of Sources of VOCs in 5 Air-Conditioned Singapore Office Buildings (Abstract).
Building and Environment, Vol. 39, Issue 2 (February 2004): 165-177. (United Kingdom).
5. Sekhar, S C, Enhancement of ventilation performance of a residential split-system airconditioning
unit. Energy and Buildings (2004), Vol 36/3 pp 273-279, (Ireland).
6. Tham, K W, MS Zuraimi and S C Sekhar, Emission Modelling and validation of Volatile Organic
Compounds (VOCs) Source Strengths of Air-Conditioned Office Premises in the Tropics.
Environment International, 30, pp 1075-1088. (2004) (United Kingdom).
7. Sekhar, S C, Space temperature difference, cooling coil and fan - Energy and indoor air quality
issues revisited. Energy and Buildings (2004), Vol 37/1 pp 49-54. (Ireland).
8. Sekhar, S C, Uma Maheswaran, K W Tham and K W Cheong, Development of energy efficient
single coil twin fan air-conditioning system with zonal ventilation control. ASHRAE Transactions
(2004), Volume 110, Part 2, pp 204-217.
9. Sekhar, S C, N Gong, K W Tham, K W Cheong, A.K. Melikov, D.P. Wyon and P.O. Fanger,
"Findings of personalised ventilation studies in a hot and humid climate". International Journal of
Heating, Ventilating, Air-conditioning and Refrigerating Research (HVAC&R Research), Vol 11,
no. 4 (2005) 603-620. (United States).
10. Cheyyar, R U M and S C Sekhar, "Evaluation of concepts of fin efficiency using Monte Carlo
Simulation method". International Journal of Heat & Mass Transfer , 49, no. 9-10 (2006):1643-
1646. (United Kingdom).
11. Roulet, Claude-Alain, Zuraimi Mohd Sultan, S C Sekhar and K W Tham, "Tracer Gas
Measurement of Airflow Rates in Rooms with Several Air-Handling Units and Large
Recirculation Rates". International Journal of Heating, Ventilating, Air-conditioning and
Refrigerating Research (HVAC&R Research), 12, no. 3 (2006): 477-496. (United States).
12. Zuraimi, MS, C-A Roulet, K W Tham, S C Sekhar, K W Cheong, N H Wong and H K Lee, "A
Comparative Study of VOCs in Singapore and European Office Buildings". Building and
Environment, Volume 41, Issue 3, March 2006, Pages 316-329 (United Kingdom).
13. Cheyyar, R U M, S C Sekhar, K W Tham and K W Cheong, "Single coil twin fan air-conditioning
and air distribution system - Towards the development of a mathematical model of the
compartmented coil". HVAC&R RESEARCH - International Journal of Heating, Ventilating, Airconditioning
and Refrigerating Research, 12, no. 3c (Special Issue) (October 2006). (United
States).

14. Gong, N, K W Tham, AK Melikov, DP Wyon, S C Sekhar and K W Cheong, "The acceptable air
velocity range for local air movement in the Tropics". HVAC&R Research, International Journal
of Heating, Ventilating and Air-Conditioning Engineers (ASHRAE), Vol 12, No. 4, pp 1065-1076,
(October 2006). (United States).
15. Cheong, K W, W. J. Yu, K W Tham, S C Sekhar and R. Kosonen, "A Study of Perceived Air
Quality and Sick Building Syndrome in a Field Environment Chamber Served by Displacement
Ventilation in the Tropics". Building and Environment, Volume 41, Issue 11, November 2006,
Pages 1530-1539 (United Kingdom).
16. Cheong, K W, W. J. Yu, R. Kosonen, K W Tham and S C Sekhar, "Assessment of Thermal
Environment Using a Thermal Manikin in a Field Environmental Chamber served by
Displacement Ventilation System". Building and Environment, Volume 41, Issue 12, December
2006, Pages 1661-1670, (United Kingdom).
17. Cheong, K W, W.J. YU, S C Sekhar, K W Tham and R. KOSONEN, "Local thermal sensation
and comfort study in a field environment chamber served by displacement ventilation system in
the tropics". Building and Environment, Vol. 42, No. 2, pp 525-533. (Feb 2007). (United
Kingdom).
18. Yu, W.J., K W Cheong, K W Tham, S C Sekhar and R. Kosonen, "Thermal effect of temperature
gradient in a field environment chamber served by displacement ventilation system in the
tropics". Building and Environment, Vol. 42, No. 1, pp. 516-524, (Jan 2007). (United Kingdom).
19. Yang, B and S C Sekhar, "Three dimensional numerical simulations of a hybrid fresh air and
recirculated air diffuser for decoupled ventilation strategy". Building and Environment, (2007),
Vol.42, Issue 5, pp 1975-1982. (United Kingdom).
20. Yu, W.J., K W Cheong, S C Sekhar, K W Tham and R. Kosonen, "Local discomfort caused by
draft perception in a space served by displacement ventilation system in the tropics". INDOOR &
BUILT ENVIRONMENT - The Journal of the International Society of the Built Environment,
(2006), 15, no.3, pp 225-233. (United States).
21. Sekhar, S.C., “A Review of ventilation and air-conditioning technologies for energy efficient
healthy buildings in the tropics”. ASHRAE Transactions, 2007, Vol. 113, Part 1, pp.426-434.
22. Cheyyar, R U M and S C Sekhar, "Performance evaluation of a compartmented cooling coil
using the Monte Carlo Simulation approach". Journal of Heat Transfer - Transactions of the
ASME, (2007), Vol. 129, pp. 1286-1290 (United States).
23. Yang, B. and S.C.Sekhar, “Numerical algorithm studies of CFD modeling for a compartmented
cooling coil under dehumidifying conditions”. Numerical Heat Transfer, Part A : Applications.
(2007), Volume 52, Issue 8, pages 737 – 755.
24. Yang, Bin and S C Sekhar, "The influence of evenly distributed ceiling mounted personalised
ventilation devices on indoor environment". The International Journal of Ventilation, (2008),
Volume 7, Number 2, pp 99-112. (United Kingdom).
25. Sekhar, S C and L T TAN, "Optimization of cooling coil performance during operation stages for
improved humidity control". Energy and Buildings, 41, no. 2 (2009): 229-233. (Switzerland).
26. YANG, B, Arsen Melikov and S C Sekhar, "Performance evaluation of ceiling mounted
personalized ventilation system". ASHRAE Transactions 2009, Vol. 115, Part 2, pp 395-406.
(United States).
27. Yang, B, S.C.Sekhar and Arsen Melikov, “Ceiling mounted personalized ventilation system
integrated with a secondary air distribution system – A human response study in hot and humid
climate”. INDOOR AIR, 20, no. 4 (2010): 309-319.

28. Li Ruixin, S.C.Sekhar and Arsen Melikov, “Thermal comfort and IAQ assessment of under-floor
air distribution system integrated with personalized ventilation in hot and humid climate”. Building
and Environment journal (2010). Building and Environment Vol. 45, No.9, pp 1906-1913.
29. Schiavon, Stefano, Arsen Melikov and S C Sekhar, "Energy analysis of the personalized
ventilation system in hot and humid climates". Energy and Buildings, (2010), Vol. 42 (2010): 699-
707.
Recent Conference Papers
1. Gong, Nan, K W Tham, A.K. Melikov, D.P. Wyon, S C Sekhar and K W Cheong, "The
Preference for Local Air Movement in the Facial Region during Long-Term Exposure in the
Tropics". Healthy Buildings 2006 , ed. E.de Oliveira Fernandes, M.Gameiro da Silva, J.Rosado
Pinto. Indoor Air Quality (IAQ), building related diseases and human response, vol. 1 (2006): 63-
67. Lisbon: Fernandes, M.Gameiro da Silva, J.Rosado Pinto. (Healthy Buidings 2006, 4 - 8 Jun
2006, Centro de Congressos, Lisboa, Portugal)
2. Yang, Bin and S C Sekhar, "An Innovative Fresh Air Supply Method for Decoupled Ventilation
Strategy". Healthy Buildings 2006, ed. E.de Oliveira Fernandes, M.Gameiro da Silva, J.Rosado
Pinto. Materials, systems and technologies for healthy buildings; Policies and practice issues in
creating healthy buildings, vol. V (2006): 153-157. Lisbon: E.de Oliveira Fernandes, M.Gameiro
da Silva, J.Rosado Pinto. (Healthy Buildings 2006, 4 – 8 Jun 2006, Centro de Congressos,
Lisboa, Portugal)
3. Yang, Bin and S C Sekhar, "CFD Modeling and Experimental Validation of a Compartmented
Cooling Coil under Dehumidifying Conditions". Healthy Buildings 2006, ed. E.de Oliveira
Fernandes, M.Gameiro da Silva, J.Rosado Pinto. Materials, systems and technologies for
healthy buildings; Policies and practice issues in creating healthy buildings, vol. V (2006): 147-
151. Lisbon: E.de Oliveira Fernandes, M.Gameiro da Silva, J.Rosado Pinto. (Healthy Buildings
2006, 4 - 8 Jun 2006, Centro de Congressos, Lisboa, Portugal)
4. Cheong, K W, W.J. Yu, K W Tham, S C Sekhar and R. Kosonen, "The impact of temperature
gradient on energy consumption of displacement ventilation system in the tropics". HB2006.
Materials, systems and technologies for healthy buildings, vol. V (2006): 193-196. Lisbon: E. de
Oliveira Fernandes, M. Gameiro da Silva, J. Rosado Pinto. (Healthy Buildings 2006, 4 - 8 Jun
2006, Lisbon, Portugal)
5. Li, Ruixin and S C Sekhar, "Comparison of Performance of Under-floor and Ceiling Supply
System in a Field Environmental Chamber Study". Healthy Buildings 2006, ed. E.de Oliveira
Fernandes, M.Gameiro da Silva, J.Rosado Pinto. Indoor Climate, vol. II (2006): 145-148. Lisbon:
E.de Oliveira Fernandes, M.Gameiro da Silva, J.Rosado Pinto. (Healthy Buildings 2006, 4 - 8
Jun 2006, Centro de Congressos, Lisboa, Portugal)
6. Gong, N, K W Tham, A Melikov, D Wyon, S C Sekhar and K W Cheong, "The Preference of
Local Air Movement in the Facial Region during Long-Term Exposure in the Tropics".
Proceedings of Healthy Buildings 2006, ed. Fernandes EDO, da Silva MG and Pinto JR. Vol. 1,
ed. Fernandes EDO, da Silva MG and Pinto JR (2006): 63-67. Porto: Universidade do Porto.
(Healthy Buildings 2006, 4 - 8 June 2006, Lisbon, Portugal)
7. Cheyyar, R U M and S C Sekhar, "Conceptual design of a coil selection module for a
compartmented cooling coil – a user-centered approach". Healthy Buildings 2006, ed. E.de
Oliveira Fernandes, M.Gameiro da Silva, J.Rosado Pinto. Materials, systems and technologies
for healthy buildings, vol. IV (2006): 411-414. Lisbon: E.de Oliveira Fernandes, M.Gameiro da
Silva, J.Rosado Pinto. (Healthy Buildings 2006, 4 - 8 Jun 2006, Centro de Congressos, Lisboa,
Portugal)
8. Sekhar, S C, "Decoupled Ventilation Strategies for Enhanced IAQ - Demand Cooling and
Demand Ventilation: Recent Findings". 37th International Congress on Heating, Refrigeration
and Air-conditioning, ed. Branislav Todorovic (2006). Belgrade: Society of Heating, Refrigeration
and Air-conditioning of Serbia. (Plenary paper) (37th International Congress on Heating,

Refrigeration and Air-conditioning, 6 - 8 Dec 2006, Sava Center, Belgrade, Serbia &
Montenegro)
9. Sekhar, S C, "Decoupled Ventilation Strategies for Enhanced IAQ - Demand Cooling and
Demand Ventilation". Proceedings of Joint Symposium 2006 (2006). Hong Kong: ASHRAE Hong
Kong Chapter, CIBSE Hong Kong Chapter & Hong Kong Institution of Engineers. (Invited paper)
(Joint Symposium 2006 - Efficient Built Environment for Tomorrow, 14 Nov 2006, Kowloon
Shangri-la Hotel, Hong Kong)
10. S.C.Sekhar, Yang Bin, K.W.Tham and David Cheong, IAQ and Energy Performance of the
newly developed Single Coil Twin Fan air-conditioning and air distribution system – Results of a
Field Trial. In Proceedings of Clima 2007 WellBeing Indoors, Helsinki. Finland. (10-14 June
2007)
11. Yang, B. and S.C.Sekhar, Numerical study of ceiling mounted personalized ventilation air
terminal device integrated with a displacement ventilation system. In Proceedings of
ROOMVENT 2007, International Conference on Air Distribution in Rooms, Helsinki, Finland. (13-
15 June 2007)
12. Yang, B. and S.C.Sekhar, Numerical study of circular jet diffuser for task ventilation of under
floor air supply system in tropics. Proceedings of Building Simulation 2007, Beijing, China, pp
1021-1026.
13. Li, Ruixin and S C Sekhar, "Numerical Simulation of Personalized Ventilation in Conjunction with
Under Floor Air Distribution System". In Proceedings of ROOMVENT 2007, International
Conference on Air Distribution in Rooms, Helsinki, Finland. (13-15 June 2007)
14. Raphael, B., K W Tham and S C Sekhar, "ACTIVE CONTROL OF INDOOR ENVIRONMENT
QUALITY". Automation and robotics in construction, ed. Koshy Varghese (2007): 119-124.
Madras: Indian Institute of Technology. (International symposium on automation and robotics in
construction, 19 - 21 Oct 2007, Kochi, India)
15. Sekhar, S C and Keterina Chong, "HEAT PIPE APPLICATION FOR ENERGY EFFICIENT AIR-
CONDITIONING IN AN ANIMAL CARE FACILITY". IAQVEC 2007 - The 6th International
Conference on Indoor Air Quality, Ventilation & Energy Conservation in Buildings (28 - 31 Oct
2007, Sendai International Centre, Sendai, Japan)
16. Yang, Bin and S C Sekhar, "Numerical study of effects of moving person velocity on
personalized ventilation". ASHRAE IAQ 2007 - Healthy and Sustainable Buildings (14 – 17 Oct
2007, Baltimore, United States)
17. Bin Yang, Arsen Melikov and Chandra Sekhar, “Cooling effect of ceiling mounted personalized
ventilation system”. In Proceedings of Indoor Air 2008, The 11 th International Conference on
Indoor Air Quality and Climate, Copenhagen, Denmark (17-22 August 2008).
18. S.C.Sekhar and L.T.Tan, “Optimisation of cooling coil performance during operation stage for
improved humidity control”. In Proceedings of Indoor Air 2008, The 11 th International Conference
on Indoor Air Quality and Climate, Copenhagen, Denmark (17-22 August 2008).
19. Li Ruixin, S.C. Sekhar and Florence Khoo, “Study of warmer supply air temperature in underfloor
air distribution system (UFAD) in hot and humid climates”. In Proceedings of Indoor Air
2008, The 11 th International Conference on Indoor Air Quality and Climate, Copenhagen,
Denmark (17-22 August 2008).
20. Sekhar, S C, "Towards Energy Efficient Healthy Buildings in the Tropics". ACRECONF 2009
(2009). New Delhi: ISHRAE & ASHRAE India. (Plenary paper) (ACRECONF 2009 - Reaching
out for a Greener Tomorrow, 20 - 21 Feb 2009, Hotel The Grand, Vasant Kunj, New Delhi, India)
(Invited Plenary Speaker).

21. LI*, R, S C Sekhar and Arsen Melikov, "Human response to the thermal environment served by
personalized ventilation combined with under-floor air distribution system". Roomvent 2009, The
11th International Conference on Air Distribution in Rooms (2009). Busan: Roomvent 2009
Secretariat. (Roomvent 2009, 24 - 27 May 2007, BEXCO (Busan Exhibition & Convention
Center), Busan, South Korea)
22. YANG*, B, S C Sekhar and Arsen Melikov, "Subjective assessments of Air Movement for ceiling
mounted personalized ventilation system". Roomvent 2009, The 11th International Conference
on Air Distribution in Rooms (2009). Seoul: Roomvent 2009 Secretariat. (Roomvent 2009, 24 -
27 May 2009, BEXCO Busan Exhibition & Convention Center), Busan, South Korea)
23. YANG*, B, Arsen Melikov and S C Sekhar, "Upper body cooling effect of ceiling mounted
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