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25 articles for “Indoor thermal comfort”
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Review on Behavior of HVAC System for Indoor Thermal Comfort
Abstract: The term "indoor air quality" (IAQ) refers to the quality of air within a structure, with a particular focus on the well-being and comfort of the individuals occupying the building. The hospital and structure creates a significant risk as an indoor environment. In order to safeguard patients and healthcare workers from hospital-acquired infections and occupational diseases, it is imperative to give careful consideration to maintaining a good indoor air quality …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 10, Issue 2, 2023 · pp. 48–53 Read article
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Indoor Thermal Comfort Range for Naturally Ventilated Residences in Warm and Humid Climate of Mumbai, Maharashtra, India
Abstract: Every third house in Indian cities will have an air conditioner by 2030, this poses great challenges of energy consumption and related emissions. 68.7% of the total GHG emissions in India (2014) are by energy sector, and half of that were due to electricity and heat generation. As the energy demand in India is expected to become 3.5 times from 2014 to 2030, it is important to reduce the energy …
Published in Journal of Energy, Environment & Carbon Credits · Vol. 11, Issue 1, 2021 · pp. 42–62 Read article
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Infusion of Traditional Wisdom and Modern Technology to Achieve Sustainable Dimension in Architecture and Built Environment
Abstract: Building sectors accelerate climate change, and the conventional method of construction affects the environment. This research aims to study the practice of infusing traditional techniques and modern technology in building construction that helps to achieve environmental sustainability without relinquishing indoor thermal comfort. This research analyses case studies of two residential buildings located in Ahmedabad, constructed on the conventional method and infusion method of construction, and conducts energy simulations of both …
Published in Recent Trends in Civil Engineering & Technology · Vol. 12, Issue 2, 2022 · pp. 25–44 Read article
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A Review on Earth-Air Heat Exchanger Systems
Abstract: AbstractEarth-air heat exchanger (EAHE) is a system which uses the heat and cool of ground and is utilized for the space heating and cooling purposes. Performance of EAHE is dependent on the thermal properties of soil. If the thermal quality of soil is poor so the pipe is to be buried at more depth. The concept exploits the subsoil thermal energy and uses it for producing indoor thermal comforts in …
Published in Recent Trends in Fluid Mechanics · Vol. 7, Issue 1, 2020 · pp. 9–14 Read article
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Renewable-Powered HVAC Systems: Advances in Solar, Bioenergy, and Heat Pump Technologies
Abstract: The global demand for refrigeration, air conditioning, heating, and ventilation (HVAC) systems has increased rapidly due to population growth, urbanization, industrialization, and rising expectations for indoor thermal comfort. These systems account for a substantial share of global energy consumption and greenhouse gas emissions, primarily because they rely heavily on fossil-fuel-based electricity and thermal energy. Consequently, the decarbonization of HVAC and refrigeration sectors has become a critical component of global climate …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 13, Issue 1, 2026 · pp. 26–33 Read article
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A Review: Hybrid Air-Conditioning System
Abstract: Abstract Science is universal but technology depends upon local conditions. The world is facing on a large scale, potentially devastating global energy crisis. It has been realized that traditional resource such as oil and gas energy reservoirs cannot meet the rising energy demand. Integrated design is one of the today’s buzzwords in green and sustainable HVAC design approaches and solutions; that are important for achieving good indoor air quality with …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 3, Issue 1, 2016 · pp. 4–10 Read article
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Heating Energy Estimation before Construction and Thermal Comfort Post Occupancy in the New Building of Salesian College, Sonada Campus, Darjeeling
Abstract: AbstractThermal comfort of indoors lead to better satisfaction. A thermal analysis of heating energy requirements were conducted before the construction of a new campus building. After the completion of the construction, thermal comfort studies were conducted to study the indoor conditions. The use of hollow block wall was recommended against the conventional brick wall.Keywords: ASHRAE, thermal comfort, degree day, Griffiths’ neutral temperatureCite this ArticleSamar Thapa. Heating Energy Estimation before Construction …
Published in Journal of Thermal Engineering and Applications · Vol. 4, Issue 3, 2017 · pp. 13–21 Read article
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A Novel Technique of Infrared Thermography for Ambient Air Infiltration Detection in Air- Conditioned Space
Abstract: Maintaining thermal comfort in the indoor microenvironment is essential for occupants’ well-being and functioning. Heating, ventilation and air conditioning account for a significant share in building energy consumption. Therefore, it is necessary to act on each energy-saving opportunity to improve air conditioners' energy efficiency and reduce outdoor air ingress in cooling space. Many earlier works focused on improving the performance of air conditioners; however, measurement of heat losses through building/room …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 9, Issue 3, 2022 · pp. 9–17 Read article
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Designing Ventilation Systems That Can Handle Extreme Weather
Abstract: Climate change is making extreme weather events like heat waves, cold spells, hurricanes, and wildfire smoke episodes more common and stronger. This is a big problem for traditional ventilation systems. This paper analyses the concepts and efficacy of resilient ventilation design in structures subjected to fluctuating and extreme environmental conditions. The research assesses the capacity of ventilation systems to uphold indoor air quality, thermal comfort, and operational continuity during extreme …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 13, Issue 1, 2026 · pp. 1–14 Read article
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Indoor Room Air Conditioning Using Heat Removal from PV Panels
Abstract: The paper describes the characteristics of a novel hybrid system of air conditioning and PV panel used to remove heat from PV panels located on the building roof and to air conditioning the space of the building placed just below. The design of the system is based on the well- known Trombe wall principle with the special characteristic of using a PV panel as front surface “to collect” heat that …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 7, Issue 3, 2020 · pp. 22–33 Read article
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Analysis of an Evaporative Desiccant Cooling System
Abstract: With the drastic change in climatic conditions in recent years, demand for air conditioning is spreading all over the world. This causes a primary consumption of energy in high quantity. In order to provide the best indoor air quality and thermal comfort with minimum consumption of energy, the desiccant cooling system is one of the options in our daily life. In this work, a theoretical performance study has been done …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 2, Issue 2, 2015 · pp. 31–38 Read article
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Indoor Room Air Conditioning Using External Enclosure
Abstract: This paper presents a new air conditioning system using an external air chamber enclosure. The system is based on evaporative refrigeration technique humidifying hot air from the environment by means of a new design humidifier. Temperature at the air chamber is set up according to the required comfort conditions. The air chamber plays the role of a heat collector from indoor room radiative energy. This new system avoids thermal gradient …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 7, Issue 2, 2020 · pp. 7–21 Read article
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Exploring Envelope Design Through a Biomimetic Approach for Enhanced Thermal Comfort
Abstract: This research explores how biomimicry can transform building envelopes to create comfortable indoor climates, particularly in India’s hot, dry regions. With rising temperatures and dense urbanization, conventional buildings heavily reliant on air conditioning are unsustainable. Biomimicry, inspired by nature’s designs, offers an alternative to enhance adaptability, resilience, and energy efficiency in climate-responsive buildings. The study bridges the gap between conventional envelope design and climate adaptability by examining biomimetic principles for …
Published in International Journal of Architectural Design and Planning · Vol. 3, Issue 2, 2025 · pp. 79–110 Read article
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Enhancing Energy Efficiency of Residential Buildings by Using Phase Change Biomaterials for Adaptive Thermal Envelopes
Abstract: Phase change biomaterials represent a cutting-edge solution in sustainable building design, offering a dynamic approach to thermal regulation. Derived from natural sources such as plant oils and waxes, these materials undergo reversible phase transitions, transitioning between solid and liquid states in response to changes in temperature. This unique property enables phase change biomaterials to store and release thermal energy effectively, making them highly valuable for enhancing energy efficiency and thermal …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 12, Issue 2, 2025 · pp. 17–25 Read article
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Optimization of the Climate Control System for Pure Electric Vehicle
Abstract: Emission standards have become increasingly stringent, which has generated more interest in problems related to environmental pollution. However, the EV driving range suffers from A/C (air conditioning) for the comfort of the occupants, especially in very hot or cold climates. Therefore, the dimensioning of the A/C system is more important than the case of the conventional vehicle with internal combustion engine. Specifically, EV consumes electric power from the battery pack …
Published in Journal of Telecommunication, Switching Systems and Networks · Vol. 7, Issue 3, 2020 · pp. 17–23 Read article
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A Review Natural Ventilation by Using Solar Chimney
Abstract: A solar chimney is an effective and sustainable ventilation technology designed to enhance airflow within residential and commercial buildings by utilizing natural convection. Operating on principles like a traditional fireplace, a solar chimney harnesses solar energy to generate an upward air movement, creating a pressure difference that drives passive ventilation. The system comprises a vertical shaft, usually constructed with heat-absorbing materials, which captures solar radiation and heats the enclosed air. …
Published in International Journal of Electrical Power and Machine Systems · Vol. 3, Issue 1, 2025 · pp. 22–28 Read article
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Implementations and Optimization in Design of Radiant Cooling Concept with Room Floor and Walls
Abstract: AbstractIn this paper, in order to accurately simulate room thermal performance, a coupling strategy between the room floor and wall with Computational Fluid Dynamics (CFD) simulation of the indoor airflow in a room, and the radiation heat transfer among the internal surfaces of its space and wall is calculated. Mostly research of radiant cooling is performed with radiant pipes in floors and ceiling, so we performed our analysis by installing …
Published in Journal of Thermal Engineering and Applications · Vol. 7, Issue 1, 2020 · pp. 15–23 Read article
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Use of Earthen Materials in Interior Spaces
Abstract: This research paper investigates the utilization of earthen materials within interior spaces, focusing on their sustainable attributes and aesthetic potential. In the context of contemporary design practices, there is a growing interest in integrating natural materials that offer environmental benefits and promote well-being. Earthen materials, including clay, adobe, terracotta, and rammed earth, present promising opportunities for sustainable interior design solutions. The research begins by examining the historical and cultural significance …
Published in International Journal of Architectural Design and Planning · Vol. 2, Issue 1, 2024 · pp. 40–49 Read article
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Studies and Analysis of Perception of Workers Occupation in Hot Environment in Foundry Industry
Abstract: Foundry industry in India is the largest contributor in Indian economy. Safety in foundry industry is of great importance to build the relationship between employers and workers, and also for business growth. It also shows interest of employers on safety and well-being of workers, and to safeguard them from occupational diseases and disorders. Therefore, this research study insights the safety analysis of foundry industry and finds the perception of workers …
Published in Journal of Industrial Safety Engineering · Vol. 3, Issue 1, 2016 · pp. 26–33 Read article
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Designing for Indoor Air Quality: Using Plants and Ecofriendly Materials
Abstract: This study’s main objective is examining passive design techniques that optimize energy efficiency, such as natural ventilation, daylighting, and thermal insulation. It explores their potential to reduce energy consumption and enhance occupant comfort while minimizing reliance on mechanical systems. Sustainability is a key focus throughout the study, highlighting the importance of adopting sustainable practices in the design and construction industry. The research explores strategies for reducing environmental impact, minimizing waste, …
Published in International Journal of Sustainability · Vol. 2, Issue 2, 2025 · pp. 13–20 Read article