Search Results for: thermal comfort

EFFICIENT THERMAL COMFORT REQUIRES A COMBINATION OF SOLUTIONS

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People started attaining thermal comfort at a faster rate with the advent of space cooling systems, while its usage limits tend to incur costs due to high electricity usage and environmental impacts like CO2 emissions, heating effect in urban outdoor environment. Know more! There are various active and passive strategies at both individual and societal level to achieve thermal comfort. Choosing a combination of these strategies wisely could conserve energy and minimize the environmental impact associated with it for providing…

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THERMAL ADAPTABILITY AND CEILING FANS

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Thermal adaptation is the ability of the human body to adjust to temperatures. The human body works to maintain the core body temperature at 37° celsius. The loss or gain of heat from the environment activates the thermal regulators in the body to warm or cool respectively. The thermal regulation system in our body functions intending to keep ourselves at a comfortable temperature. The core of our body passes on heat to the skin to maintain comfort during cold climates,…

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Why is choosing the right size of ceiling fan important?

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A ceiling fan is an energy efficient and a cost-efficient space cooling solution compared to air conditioners or air coolers. The difference is due to the fundamental way each of these solutions cools an occupant. This difference can be succinctly put into words without a technical explanation by Dr. Mayur (Superfan) – AC cools the room while the fan cools the humans in the room. As the fan cools only the occupant in the room, its coverage area is critical…

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Why is my ceiling fan making noise?

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Ceiling fans are the primary thermal comfort appliance in India due to their simplicity, familiarity, cost-effectiveness, and efficiency (BLDC ceiling fans). Beyond these advantages, there are some drawbacks like lack of standardization, decrease in effectiveness in extremely humid conditions, and the noise from its operation.  The standardization of fans is underway now through the efforts of government agencies like BIS and BEE. Ceiling fans cannot offer comfort in humid conditions as the thermal comfort from fans depends on the surrounding…

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Importance of ceiling fans in the classroom

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Effect of noisy ceiling fans in auditorium, conference rooms and meeting halls in India  A typical classroom has approximately 40+ students and a teacher who communicates through voice. In India, ceiling fans are mostly used for the thermal comfort of the occupants in the classroom. Ceiling fans are the best solution in this scenario as they are simple, cost-effective, healthy, and efficient. But typical ceiling fans are noisy, and it becomes a significant problem in a setting like a classroom, meeting room,…

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What determines ceiling fan airflow? [4 crucial parameters]

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The primary use of ceiling fans is to offer the desired thermal comfort by delivering sufficient airflow. There is a misconception of relating airflow to only the speed of a fan (RPM). Though, it is true that when the speed (RPM) of a fan increases by 10%, the airflow increases by 10%. Explore fan laws.  But the speed of a fan is not the only parameter that influences the airflow, and it is wrong to compare two fans by their…

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How can you use ceiling fans in winter?

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In a closed space like a room with still air, the cooler air stays at the bottom, and the warm air rises to the ceiling. This segmentation of air happens due to the difference in the densities, and this phenomenon is called stratification. This becomes a problem in winters as the much-needed warm air recedes to the ceiling leaving the space close to the floor cooler. When heating elements are used to warm the space, it requires more heat generation…

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CAN WE USE AC AND CEILING FAN TOGETHER?

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Yes! Using AC and ceiling fan together is bound to give advantages to us in power savings and eco-friendliness. Air conditioning (AC) is currently the most effective method of cooling indoor space. However, its growing global use is problematic for a variety of reasons.   Typically, a 1-ton AC consumes more than 800 W per hour. Widespread use of air conditioning puts a strain on the electricity distribution system and raises the risk of power shortages.    Through heat ejection, air conditioning contributes to the Urban…

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WHAT IS THE EFFECTIVENESS OF A CEILING FAN?

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The primary objective of a ceiling fan is to offer thermal comfort to the occupant. The effectiveness of a ceiling fan is the measure of its thermal comfort and its other aspects like efficiency, durability, noise limit, wellness, local influence, value, environmental impact.  Thermal comfort  The condition of people’s minds that expresses satisfaction with the thermal environment is called thermal comfort.    For many years, humans have been using fans to regulate thermal comfort. Ceiling fans regulate their occupants’ thermal comfort…

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HOW TO INSTALL YOUR CEILING FAN SAFELY FOR BEST PERFORMANCE?

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The installation location and space of a ceiling fan are as important as choosing the right ceiling fan. The appropriate location and space determine the effectiveness of the ceiling fan. The effectiveness of a ceiling fan is the required thermal comfort, efficiency, quietness. To get optimal effectiveness from a ceiling fan the following clearances must be taken into account: Mounting height – distance above the floor level to fan blades tip Side clearance – distance from the walls/obstructions to fan…

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