Dolaana Khovalyg
| Professor Dolaana Khovalyg | |
|---|---|
 EPFL Dolaana Khovalyg Portrait 1.jpg Dolaana Khovalyg in 2020 | |
| Born | 1983 (age 40–41) Ak-Dovurak, Tuva Republic |
| 💼 Occupation | |
| Known for | Occupant-centric design of adaptive thermal conditioning systems |
| 🌐 Website | https://tebel.epfl.ch/ |
Dolaana Khovalyg (born 1983 in Ak-Dovurak, Tuva Republic, Russia) is a Russia-born engineer focusing on energy performance of buildings. She is a professor at the School of Architecture, Civil and Environmental Engineering of the EPFL (École Polytechnique Fédérale de Lausanne), where she heads the Thermal Engineering for the Built Environment Laboratory (TEBEL).[1][2][3]
Career[edit]
Khovalyg studied thermal engineering at Moscow Power Engineering Institute and in 2007, received a Master's degree (summa cum laude) for her theoretical and practical work on fast freezing bakery products. In 2011, she joined Alexander V. Baranenko at the University of Information Technologies (ITMO University) in Saint-Petersburg as a graduate student to work on two-phase flow and heat transfer dynamics during flow boiling of the refrigerant R134a in microchannels. In 2011, she went to work on a Fulbright Visiting Scholarship for a year to the Air Conditioning and Refrigeration Center (ACRC) at the University of Illinois at Urbana-Champaign (UIUC).[4] In 2014, she returned to the UIUC, USA, to join Anthony M. Jacobi's group to work on a PhD in mechanical engineering, where she graduated in 2017.[5] The same year she started as a postdoctoral fellow with Bjarne W. Olesen at the International Center for Indoor Environment and Energy (ICIEE) at the Technical University of Denmark (DTU).[6]
Since 2018, Khovalyg has been a professor at the School of Architecture, Civil and Environmental Engineering of the EPFL (École Polytechnique Fédérale de Lausanne),[1] where she heads the Thermal Engineering for the Built Environment Laboratory (TEBEL) at the Smart Living Lab at EPFL's Fribourg campus.[7][3][2]
Research[edit]
Khovalyg's research group focuses on a holistic approach to energy efficiency of buildings by considering indoor comfort[8] and well-being of occupants,[9] via advanced design and control of adaptive thermal systems (that can match the demand efficiently.[10] The group's main research field is centered on reduction of operational temperature of thermal systems in buildings by adopting low temperature emission systems, personalized indoor thermal conditioning promoting well-being[6] and adaptive hot water production considering hygiene issues.[11][12]
To render building more energy efficient and thereby reducing the carbon footprint, Khovalyg's team proposes more flexible heating and cooling practices that allow for larger temperature drifts. Their approach is based on a unique field study of nomadic pastoralists of Tuva in Siberia that are living in extremely cold environment. The study performed in 2019-2020 provided insights into how to ensure that dwellings are thermally safe and resilient. As research tools, they use detailed experimental and numerical characterization of the thermal environment andphysiological responces of individuals experiencing temperatures beyond thermoneutrality. To predict individual thermal acceptability and including controls with human-in-the-loop.[6][11] Khovalyg's laboratory applies machine learning procedures aiming at the development of smart systems that precisely predicts the needs of occupants.[13][14]
Their research was featured in the Le Nouvellist,[15] and several Tuva news outlets such as Tuva Online,[16] Tuva Asia,[17] and Tuva Pravda.[18]
Distinctions[edit]
In 2011, she received a Fulbright Visiting Scholarship.[19] She is an associate member of the American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE).[20] In 2019, she launched the Swiss-Korean Architecture for human environment with smart technologies (ARC-HEST) program with an Opportunity Grant of the ETH Zurich Leading House Asia.[21]
Selected works[edit]
- Hamed, A. M.; Pagan-Vazquez, A.; Khovalyg, D.; Zhang, Z.; Chamorro, L. P. (2017). "Vortical structures in the near wake of tabs with various geometries". Journal of Fluid Mechanics. 825: 167–188. Bibcode:2017JFM...825..167H. doi:10.1017/jfm.2017.384.
- Khovalyg, D. M.; Baranenko, A. V. (2015). "Two-phase flow dynamics during boiling of R134a refrigerant in minichannels". Technical Physics. 60 (3): 350–358. Bibcode:2015JTePh..60..350K. doi:10.1134/S1063784215030123. Unknown parameter
|s2cid=ignored (help) - Khovalyg, Dolaana; Hrnjak, Predrag S.; Jacobi, Anthony M. (2016). "Interactions Between Parallel Unevenly Heated Minichannels During Flow Boiling of R134A". Heat Transfer Engineering. 37 (11): 921–937. Bibcode:2016HTrEn..37..921K. doi:10.1080/01457632.2015.1097954. Unknown parameter
|s2cid=ignored (help) - Khovalyg, Dolaana; Kazanci, Ongun B.; Halvorsen, Hanne; Gundlach, Ida; Bahnfleth, William P.; Toftum, Jørn; Olesen, Bjarne W. (2020). "Critical review of standards for indoor thermal environment and air quality". Energy and Buildings. 213: 109819. doi:10.1016/j.enbuild.2020.109819.
- Kazanci OB, Khovalyg D, Olesen BW (2020-04-18). "Development of a Field Measurement Methodology for Studying the Thermal Indoor Environment in Hybrid Geotabs Buildings" (PDF). Unknown parameter
|url-status=ignored (help)CS1 maint: Multiple names: authors list (link) - Kazanci, OB, Khovalyg, D, Iida, T, Uno, Y, Ukiana, T, Olesen, BW (2018). "Experimental comparison of the thermal indoor environment created by a radiant, and a combined radiant and convective cooling system". Proceedings— Roomvent & Ventilation 2018. pp. 223–228. ISBN 978-952-5236-48-4.CS1 maint: Multiple names: authors list (link) Search this book on
- Khovalyg, Dolaana M.; Hrnjak, Predrag S.; Jacobi, Anthony M. (2015). "Thermodynamic Analysis of the Transition Between Slug and Annular Flow in Minichannels". ASME 2015 13th International Conference on Nanochannels, Microchannels, and Minichannels. doi:10.1115/ICNMM2015-48555. ISBN 978-0-7918-5687-1. Search this book on
- Khovalyg, Dolaana M.; Hrnjak, Pega S.; Jacobi, Anthony M. (2015). "Transient pressure drop cross-correlation during flow boiling of R134a in parallel minichannels". Science and Technology for the Built Environment. 21 (5): 545–554. doi:10.1080/23744731.2015.1040339. Unknown parameter
|s2cid=ignored (help)
References[edit]
- ↑ 1.0 1.1 "9 professors appointed at ETH Zurich and EPFL". www.admin.ch. Retrieved 2021-07-14.
- ↑ 2.0 2.1 "La face cachée du photovoltaïque intégré aux bâtiments. La chronique immobilière de l'EPFL". Le nouveliste. 2021-05-29. Retrieved 2021-07-14. Unknown parameter
|url-status=ignored (help) - ↑ 3.0 3.1 "- Interview with Dolaana Khovalyg, new Assistant Professor at the Smart Living Lab". www.smartlivinglab.ch. Retrieved 2020-12-01.
- ↑ Khovalyg, Dolaana M.; Hrnjak, Predrag S.; Jacobi, Anthony M. (2014-01-01). "Transient pressure drop correlation between parallel minichannels during flow boiling of R134a". International Refrigeration and Air Conditioning Conference.
- ↑ Khovalyg, D.; Hrnjak, P.S.; Jacobi, A.M. (2018-02-24). "Heat flux variation between neighboring channels in compact minichannel heat exchangers". Applied Thermal Engineering. 135: 418–434. doi:10.1016/j.applthermaleng.2018.02.079.
- ↑ 6.0 6.1 6.2 Khovalyg, Dolaana; Kazanci, Ongun B.; Halvorsen, Hanne; Gundlach, Ida; Bahnfleth, William P.; Toftum, Jørn; Olesen, Bjarne W. (2020-04-24). "Critical review of standards for indoor thermal environment and air quality". Energy and Buildings. 213: 109819. doi:10.1016/j.enbuild.2020.109819.
- ↑ "TEBEL". www.epfl.ch. Retrieved 2020-11-18.
- ↑ Khovalyg D., Chatterjee A., van Marken Lichtenbelt W.D. (2020-11-18). "Living in extremes – dynamic indoor environment and thermal performance of traditional nomadic yurts" (PDF). Windsor Conference 2020 on Thermal Comfort Proceedings.CS1 maint: Multiple names: authors list (link)
- ↑ Heidari, Amirreza; Khovalyg, Dolaana (2020-09-01). "Short-term energy use prediction of solar-assisted water heating system: Application case of combined attention-based LSTM and time-series decomposition". Solar Energy. 207: 626–639. Bibcode:2020SoEn..207..626H. doi:10.1016/j.solener.2020.07.008. ISSN 0038-092X.
- ↑ Khovalyg, Dolaana; Kazanci, Ongun B.; Halvorsen, Hanne; Gundlach, Ida; Bahnfleth, William P.; Toftum, Jørn; Olesen, Bjarne W. (April 2020). "Critical review of standards for indoor thermal environment and air quality". Energy and Buildings. 213: 109819. doi:10.1016/j.enbuild.2020.109819.
- ↑ 11.0 11.1 O'Brien, William; Tahmasebi, Farhang; Andersen, Rune Korsholm; Azar, Elie; Barthelmes, Verena; Belafi, Zsofia Deme; Berger, Christiane; Chen, Dong; De Simone, Marilena; Simona d'Oca; Hong, Tianzhen (2020-07-15). "An international review of occupant-related aspects of building energy codes and standards". Building and Environment. 179: 106906. doi:10.1016/j.buildenv.2020.106906. ISSN 0360-1323.
- ↑ "Swiss-US Energy Innovation Days 2021". Swissnex in Boston and New York. Retrieved 2021-07-23.
- ↑ Tonellato, Giulio; Khovalyg, Dolaana (2020-06-22). "Exergy-Based Optimization of the Design and Operation of the Hot Water Supply System". ASHRAE.
- ↑ Khovalyg, Dolaana; Heidari, Amirreza (2020-06-22). "Exploring Water-Energy Nexus at the Building Level (VC-20-C036)". ASHRAE.
- ↑ "La face cachée du photovoltaïque intégré aux bâtiments. La chronique immobilière de l'EPFL". Le Nouvellist. 2021-05-29. Retrieved 2021-07-23. Unknown parameter
|url-status=ignored (help) - ↑ "Из Швейцарии - в Туву". Тува-Онлайн (in русский). Retrieved 2021-07-23.
- ↑ "В Туве голландский ученый изучает термодинамику тувинской юрты". Tuva.Asia (in русский). Retrieved 2021-07-23.
- ↑ "ВЕРНЁМСЯ СНОВА В ЮРТЫ? - Тувинская правда". www.tuvapravda.ru. Retrieved 2021-07-23.
- ↑ "Fulbright". Fulbright (in русский). Retrieved 2020-11-18.
- ↑ "Thermal EnvironmentalConditions forHuman Occupancy" (PDF). Retrieved 2020-11-18. Unknown parameter
|url-status=ignored (help) - ↑ "Grantee Stories - Prof. Dolaana Khovalyg". leadinghouseasia.ethz.ch. Retrieved 2021-07-21. Unknown parameter
|url-status=ignored (help)
External links[edit]
- Dolaana Khovalyg publications indexed by Google Scholar
- Website of the Thermal Engineering for the Built Environment Laboratory (TEBEL)
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