Publications de Dolaana Khovalyg

Rethinking local thermal sensation prediction: The role of heat flux over skin temperature in personalized models

As personal environmental control systems (PECS) gain prominence over conventional whole-space conditioning, accurately predicting personalized and localized thermal sensation (TS) becomes increasingly important. This study systematically evaluates the rel ...

2025

Modular Radiant Floor Heating and its Effect on Local Thermal Comfort

Dusan Licina, Dolaana Khovalyg

Radiant floor heating is widely recognized for its low-energy consumption and high efficiency. Traditional systems, however, typically heat the entire floor area within a space, conditioning spaces uniformly regardless of occupancy. This study investigates ...

Springer Science and Business Media Deutschland GmbH2025

A multidomain approach to neighbourhood typology for urban environmental studies

Jan Wienold, Dusan Licina, Dolaana Khovalyg, Hanieh Khodaei Tehrani

Cities are facing unprecedented challenges to their environments and residents due to continuous growth, including urban overheating, daylight accessibility, noise, and air pollution. This requires a holistic approach to the research and implementation of ...

2025

Low-Temperature Radiant Cooling and its Effect on the Local Indoor Thermal Environment

Dolaana Khovalyg

Radiant systems allowing high-temperature cooling have been considered energy-efficient solutions for indoor climatization. In addition, radiant systems prevent local discomfort, such as air movement and vertical air temperature difference. However, the ap ...

Springer Science and Business Media Deutschland GmbH2025

Do women feel colder by nature? A systematic literature review and meta-analysis of sex differences in physiological and subjective thermal responses

Dolaana Khovalyg

How individuals perceive and evaluate their thermal environment is a key driver of thermoregulatory behaviour, which not only helps maintain personal comfort but also directly impacts building energy consumption - a sector responsible for approximately 30 ...

2025

Personalized environmental control systems (PECS): A systematic review of performance evaluation methods for thermal comfort, air quality and energy

Dolaana Khovalyg, Andrew James Sonta, Matteo Favero

Personalized Environmental Control Systems (PECS) can improve both comfort and energy efficiency by shifting indoor climate control toward localized, occupant-tailored comfort, unlike conventional systems that condition entire, partly unoccupied spaces uni ...

2025

Personalised environmental Control Systems (PECS) usage thresholds: a dynamic simulation approach to assess energy, cost, and emissions saving

Dolaana Khovalyg

Personalised Environmental Control Systems (PECS) have emerged as a solution to customise thermal conditions at individual workstations, potentially reducing overall energy consumption. However, their energy performance under diverse building operating con ...

2025

Reframing ‘Primitive Huts’ from Structural to Environmental Techniques and Their New Interrelationship in the Machine Age

Dolaana Khovalyg

This study examines ‘Primitive Huts’ in relation to the structural and environmental techniques refined by savants (e.g., architects and scholars) during the Machine Age through three types of interrelationships: separation, moderation, and integration. Th ...

2024

Thermoregulation of Tuvan pastoralists and Western Europeans during cold exposure

Dolaana Khovalyg

ObjectivesThis study compared the metabolic and vascular responses, to whole-body and finger cold exposure, of a traditional population lifelong exposed to extreme cold winters with Western Europeans. MethodsThirteen cold acclimatized Tuvan pastoralist adu ...

WILEY2023

Experimental study of the hydrodynamic and thermal performances of ventilated wall structures

Mohammad Rahiminejad, Dolaana Khovalyg

The presence of a ventilated air gap behind the external cladding in a building envelope is known to have a tangible contribution to the overall performance of the wall assembly. In the present study, the hydrodynamic and thermal performances of ventilated ...

2023

Thermal Conditions in Indoor Environments: Exploring the Reasoning behind Standard-Based Recommendations

Dolaana Khovalyg

Professionals in the building design and operation fields typically look at standards and guidelines as a reliable source of information and guidance with regard to procedural, contractual, and legal scope and requirements that are relevant to accountabili ...

2023

Impact of Standard versus Tracked-based User Behavior into Energy Simulations of Open-Space Offices

Dolaana Khovalyg, Arnab Chatterjee, Verena Marie Barthelmes

This simulation-based study aimed to contribute to gaining knowledge on how much the deviation between occupant-related input by the national standard and by insitu measurements might impact predictions of heating/cooling needs in offices. Analysis was per ...

2023

Toward contactless human thermal monitoring: A framework for Machine Learning-based human thermo-physiology modeling augmented with computer vision

Alexandre Massoud Alahi, Dolaana Khovalyg, Mohamad Rida, Mohamed Ossama Ahmed Abdelfattah

The transition towards a human-centered indoor climate is beneficial from occupants’ thermal comfort and from an energy reduction perspective. However, achieving this goal requires the knowledge of the thermal state of individuals at the level of body part ...

2023

Inter- and intra-individual variability in CO2 production and metabolic rate

Dolaana Khovalyg, Mohamad Rida

Carbon dioxide generated by the human body and exhaled (VCO2) is commonly used for ventilation controls, while the metabolic rate (i.e., energy expenditure EE) is an important parameter defining human thermal comfort in buildings. These two parameters are ...

2023

Variability of human metabolism: sex, thermal exposure, season, and activity effect

Dolaana Khovalyg

2023

Validation of human thermo-physiology models for personalized predictions of thermal responses

Dolaana Khovalyg, Mohamad Rida

Current thermal comfort models used in practice do not consider physiological and psychological differences of people. With this respect, human thermo-physiology models (HTPM) are useful tools to assess human thermal comfort at local and overall levels of ...

Curran Associates, Inc2023

Dynamic indoor thermal environment using Reinforcement Learning-based controls: Opportunities and challenges

Dolaana Khovalyg, Arnab Chatterjee

Currently, the indoor thermal environment in many buildings is controlled by conventional control techniques that maintain the indoor temperature within a prescribed deadband. The latest research provides evidence that more dynamic variations of the indoor ...

2023

Energy, SBS symptoms, and productivity in Swiss open-space offices: Economic evaluation of standard, actual, and optimum scenarios

Cecile Anne Berquand, Dusan Licina, Dolaana Khovalyg, Arnab Chatterjee, Verena Marie Barthelmes

The fundamental aspiration of new-generation high-performing buildings is to reduce energy use while securing indoor environmental quality conducive to human health and productivity. However, existing frameworks for identifying Key Performance Indicators ( ...

PERGAMON-ELSEVIER SCIENCE LTD2023

Behavioral adaptations to cold environments: A comparative study of active nomadic and modern sedentary lifestyles

Dolaana Khovalyg, Arnab Chatterjee

Modern occupants hardly use their capacity to adapt to the wide range of thermal environments due to living in well-insulated buildings with indoor climatization. However, climate change with associated health hazards necessitates exploring the limits of h ...

PERGAMON-ELSEVIER SCIENCE LTD2023

Resolving indoor shortwave and longwave human body irradiance variations for mean radiant temperature and local thermal comfort

Dolaana Khovalyg, Arnab Chatterjee, Mohamad Rida

A spatially and directionally resolved longwave and shortwave radiant heat transfer model is presented via a series of experiments in a thermal lab to input surface temperatures and geometries, as well as skin temperature readings from a human subject, in ...

2023