Related Experiment Video
Updated: Jul 1, 2025
06:43
Esophageal Heat Transfer for Patient Temperature Control and Targeted Temperature Management
Published on: November 21, 2017
24.3K
Personal Thermal Management by Radiative Cooling and Heating
Shidong Xue1,2, Guanghan Huang3, Qing Chen4
1School of Fashion and Textiles, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong, 999077, People's Republic of China.
Nano-Micro Letters
|March 13, 2024
Summary
Personal radiative thermal management (PRTM) textiles offer efficient heat control for enhanced comfort and reduced energy use. This review explores advanced PRTM materials, mechanisms, and applications for future thermoregulation technologies.
Area of Science:
- Materials Science
- Energy Science and Engineering
- Textile Engineering
Background:
- Human thermal comfort is vital for health and well-being, with energy consumption in buildings significantly impacted by heating, ventilation, and air conditioning (HVAC).
- Personal thermal management (PTM) technologies have advanced rapidly, focusing on regulating heat and moisture transfer at the individual level.
- Personal radiative thermal management (PRTM) is an emerging PTM field utilizing efficient radiative heat transfer, yet its integration into textiles remains underexplored.
Purpose of the Study:
- To provide a comprehensive review of advanced textile materials and technologies for personal radiative thermal management (PRTM).
- To analyze the fundamental radiation heat transfer mechanisms relevant to PRTM.
- To discuss fabrication methods, diverse applications, and future trends in PRTM textiles.
Main Methods:
- Literature review and analysis of scientific publications on PRTM and advanced textile materials.
- Discussion of radiation heat transfer principles and their application in textile design.
- Categorization of PRTM functionalities (cooling, heating, dual-mode) and associated applications.
Main Results:
- PRTM textiles demonstrate high potential for efficient thermal regulation through radiative heat transfer.
- Various fabrication techniques enable the development of textiles with tailored radiative properties.
- Applications span from passive radiative cooling to active radiative heating and dual-mode thermoregulation.
Conclusions:
- There is a significant knowledge gap in understanding and utilizing PRTM in traditional textiles.
- Advanced textile materials and fabrication methods are key to unlocking PRTM's potential.
- Future research should focus on overcoming current hurdles and exploring novel functionalities and applications for widespread PRTM adoption.
Keywords:
Dynamic thermoregulationPersonal thermal managementRadiative cooling and heatingThermal comfortMore Related Videos
Related Concept Videos
01:19Mechanism of heat transfer
1.2K
Understanding heat transfer mechanisms is essential for understanding how our bodies maintain balance in different environmental conditions. When the environment is thermoneutral, the body is in a state of balance, neither using nor releasing energy to maintain its core temperature. However, when the environment is not thermoneutral, the body employs four heat transfer mechanisms to maintain homeostasis: conduction, convection, evaporation, and radiation. These mechanisms facilitate heat...
1.2K
01:29Decreased Body Temperature
615
A decreased body temperature can occur in patients with hypothermia and frostbite. Heat loss with extended cold exposure overpowers the body's ability to create heat, resulting in hypothermia. Core temperature readings help classify hypothermia. Mild hypothermia is temperatures between 32 °C (89.6 °F) and 35°C (95 °F) and is caused by impaired thermoregulation. Moderate hypothermia is temperatures between 28 C (82.4 °F) and 32 °C (89.6 °F) caused by...
615
01:14Mechanisms of Heat Transfer
322
Heat transfer between the human body and its environment occurs through four main mechanisms: conduction, convection, radiation, and evaporation.
Conduction, accounting for approximately 3% of body heat loss at rest, is the process of exchanging heat between molecules of two materials in direct contact. This can result in both heat loss and gain. For instance, when the body is submerged in water, which conducts heat 20 times more effectively than air, it can either lose or gain significant...
Conduction, accounting for approximately 3% of body heat loss at rest, is the process of exchanging heat between molecules of two materials in direct contact. This can result in both heat loss and gain. For instance, when the body is submerged in water, which conducts heat 20 times more effectively than air, it can either lose or gain significant...
322
01:25Body Temperature
949
The body's temperature, measured in degrees, is determined by the balance between heat production and dissipation to the surrounding environment. For instance, if exercising vigorously, the body will produce more heat, causing sweat and dissipating that heat. Despite extreme environmental conditions and physical exertion, the human temperature-control system maintains a constant core body temperature (the temperature of deep tissues, which are the tissues located beneath the skin and other...
949
01:28Factors Affecting Body Temperature
4.1K
As a nurse, it is vital to understand the factors affecting body temperature to monitor variations and effectively evaluate deviations from regular.
Factors may include:
Factors may include:
4.1K
01:26Thermoregulation
982
The human body has a sophisticated thermoregulation system that employs negative feedback mechanisms to maintain an optimal core temperature. When the core temperature drops, peripheral and central thermoreceptors send signals to the hypothalamus, activating the heat-promoting center. This center triggers several responses aimed at increasing the core temperature. First, vasoconstriction reduces the flow of warm blood from internal organs to the skin so that the heat is not lost from the skin,...
982