C
Chandra Sekhar
Researcher at National University of Singapore
Publications - 99
Citations - 3999
Chandra Sekhar is an academic researcher from National University of Singapore. The author has contributed to research in topics: Ventilation (architecture) & Thermal comfort. The author has an hindex of 25, co-authored 91 publications receiving 2566 citations. Previous affiliations of Chandra Sekhar include Technical University of Denmark.
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Journal ArticleDOI
How can airborne transmission of COVID-19 indoors be minimised?
Lidia Morawska,Julian W. Tang,William P. Bahnfleth,Philomena M. Bluyssen,AC Atze Boerstra,Giorgio Buonanno,Junji Cao,Stephanie J. Dancer,Andres Floto,Francesco Franchimon,Charles S. Haworth,Jaap Hogeling,Christina Isaxon,Jose L. Jimenez,Jarek Kurnitski,Yuguo Li,Marcel G.L.C. Loomans,Guy B. Marks,Linsey C. Marr,Livio Mazzarella,Arsen Krikor Melikov,Shelly L. Miller,Donald K. Milton,William W. Nazaroff,Peter Nielsen,Catherine J. Noakes,Jordan Peccia,Xavier Querol,Chandra Sekhar,Olli Seppänen,Shin Ichi Tanabe,Raymond Tellier,Kwok Wai Tham,Pawel Wargocki,Aneta Wierzbicka,Maosheng Yao +35 more
TL;DR: It is argued that existing evidence is sufficiently strong to warrant engineering controls targeting airborne transmission as part of an overall strategy to limit infection risk indoors, and that the use of engineering controls in public buildings would be an additional important measure globally to reduce the likelihood of transmission.
Journal ArticleDOI
Airflow Dynamics of Human Jets: Sneezing and Breathing - Potential Sources of Infectious Aerosols
Julian W. Tang,Julian W. Tang,Andre D. Nicolle,Christian A. Klettner,Jovan Pantelic,Liang De Wang,Amin Bin Suhaimi,Ashlynn Y. L. Tan,Garrett W. X. Ong,Ruikun Su,Chandra Sekhar,David D. W. Cheong,Kwok Wai Tham +12 more
TL;DR: Surprisingly, a comparison of the maximum exit velocities of sneezing reported here with those obtained from coughing (published previously) demonstrated that they are relatively similar, and not extremely high, in contrast with some earlier estimates of sneeze Velocities.
Journal ArticleDOI
Development of the ASHRAE Global Thermal Comfort Database II
Veronika Földváry Ličina,Toby Cheung,Hui Zhang,Richard de Dear,Thomas Parkinson,Edward Arens,Chungyoon Chun,Stefano Schiavon,Maohui Luo,Gail Brager,Peixian Li,Soazig Kaam,Mike Adebamowo,M Andamon,Francesco Babich,Chiheb Bouden,Hana Bukovianska,Christhina Candido,Bin Cao,Salvatore Carlucci,David Cheong,Joon-Ho Choi,Malcolm J. Cook,Paul C. Cropper,Max Deuble,Shahin Heidari,Madhavi Indraganti,Quan Jin,Hyojin Kim,Jungsoo Kim,Kyle Konis,Manoj Kumar Singh,Alison G. Kwok,Roberto Lamberts,Dennis L. Loveday,Jared Langevin,Sanyogita Manu,Cornelia Moosmann,Fergus Nicol,Ryozo Ooka,Nigel A. Oseland,Lorenzo Pagliano,Dušan Petráš,Rajan Rawal,Ramona Romero,Hom Bahadur Rijal,Chandra Sekhar,Marcel Schweiker,Federico Tartarini,Shin Ichi Tanabe,Kwok Wai Tham,Despoina Teli,Jørn Toftum,Linda Toledo,Kazuyo Tsuzuki,Renata De Vecchi,Andreas Wagner,Zhaojun Wang,Holger Wallbaum,Lynda Webb,Liu Yang,Yingxin Zhu,Yongchao Zhai,Yufeng Zhang,Xiang Zhou +64 more
TL;DR: The ASHRAE Global Thermal Comfort Database II (Comfort Database II) as discussed by the authors is an open-source thermal comfort database that includes approximately 81,846 complete sets of objective indoor climatic observations with accompanying subjective evaluations by the building occupants who were exposed to them.
Journal ArticleDOI
Dismantling myths on the airborne transmission of severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2).
Julian W. Tang,William P. Bahnfleth,Philomena M. Bluyssen,Giorgio Buonanno,Jose L. Jimenez,Jarek Kurnitski,Yuguo Li,Shelly L. Miller,Chandra Sekhar,Lidia Morawska,Linsey C. Marr,Arsen Krikor Melikov,William W. Nazaroff,Peter Nielsen,Raymond Tellier,Pawel Wargocki,Stephanie J. Dancer,Stephanie J. Dancer +17 more
TL;DR: In this article, the authors present a review of the most commonly held dogmas on airborne transmission of severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) in the COVID-19 pandemic.
Journal ArticleDOI
Thermal comfort evaluation of naturally ventilated public housing in Singapore
TL;DR: In this paper, a field survey was conducted to evaluate thermal comfort perception of the occupants in naturally ventilated public housing in Singapore, and thermal acceptability assessment was performed to find out whether the indoor environment meets the ASHRAE Standard-55's 80% acceptability criteria.