Evaporative Garment Cooling Columns for Core Temperature Reduction
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Solution Overview
Problem
Athletes and individuals performing physical exercises in high-temperature environments face performance degradation due to elevated core body temperature, as conventional sweat evaporation methods are insufficient in regulating body temperature effectively.
Innovation Solution
A Perspiration Evaporation Device (PED) is integrated into clothing or accessories, utilizing air movement to enhance sweat evaporation through a designed evaporative surface, reducing outer body temperature and subsequently core body temperature, by employing materials like plastic, nanoporous polyethylene, or metal alloys with varying channel lengths and vent positions to optimize airflow and evaporation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If conventional sweat evaporation methods are used in hot environments, then the body attempts to cool itself naturally, but the cooling effect is insufficient to effectively regulate core body temperature
Solution Approach 1:
The patent employs porous evaporative materials with optimized pore structures to enhance sweat absorption and evaporation rates. These materials increase the surface area for evaporation and improve the reliability of temperature regulation in hot environments by ensuring consistent sweat wicking and evaporation performance.
Solution Approach 2:
The invention modifies key parameters of the evaporation process including material pore size, fabric thickness, and surface area of evaporative zones. By optimizing these parameters, the system enhances the effectiveness of sweat evaporation to reliably reduce core body temperature during intense exercise in hot conditions.
2Temperature
If the evaporative surface area is increased to improve cooling, then sweat evaporation efficiency increases, but the device complexity and garment design become more complex
Solution Approach 1:
The garment is divided into distinct evaporative zones and non-evaporative zones, with different material properties optimized for specific body regions. This segmentation allows the cooling system to be applied strategically where most needed, increasing evaporative surface area in key areas without requiring the entire garment to be complex.
Solution Approach 2:
The evaporative garment integrates multiple functions including sweat absorption, heat dissipation, and moisture management into a single unified system. The same fabric structure serves both as the base layer and the evaporative cooling mechanism, avoiding the need for separate complex cooling devices.
3Productivity
If air movement is enhanced to increase evaporation rate, then cooling effectiveness improves, but the device complexity increases due to additional airflow mechanisms
Solution Approach 1:
The garment design utilizes the wearer's own body movement and natural convection currents to drive air flow across the evaporative surfaces. The fabric structure itself promotes airflow through its porosity and design features, eliminating the need for external fans or powered airflow mechanisms while maintaining high evaporation rates.
Solution Approach 2:
The system employs passive pneumatic principles where air pressure differentials created by body movement and environmental conditions drive air flow through the porous fabric. This natural airflow mechanism enhances evaporation without requiring active mechanical systems.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The PED effectively reduces core body temperature, enhancing athletic performance and user comfort by increasing sweat evaporation, thereby addressing the limitations of conventional temperature regulation methods in hot environments.
Implementation Method 1
The evaporation of perspiration off/away from the body is the key function to support the cooling of the outer body temperature
Implementation Method 2
The cooling of the outer body temperature reduces the inner core body temperature
Implementation Method 3
employing materials like plastic, nanoporous polyethylene, or metal alloys with varying channel lengths and vent positions to optimize airflow and evaporation
Data Source
AI summary
Described herein is a perspiration evaporation device (PED) utilizing an evaporative column having an internal channel that can be secured to a garment or other accessory. As air passes over the top opening internal channel the internal air pressure within the evaporative column is reduced causing evaporated moisture from a user's skin to be drawn up the internal channel and away from the skin resulting in improved evaporation of moisture and a reduction in the core body temperature of a user.