Porous Water-Filled Construction Element for Passive Evaporative Cooling
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Solution Overview
Problem
Conventional heat pumps rely on external energy sources for circulation, which can be costly and environmentally harmful, and often use chemicals that are hazardous or contribute to climate issues, especially in areas with high demand and limited electricity access.
Innovation Solution
A null-energy system using a construction element with a porous material compartment that evaporates water to create a self-cooling effect without external energy, utilizing capillary transfer and natural suction to manage water content, and optionally incorporating solar cells for energy production.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If conventional heat pumps use external energy sources and circulation pumps to maintain fluid circulation, then cooling effect is achieved, but energy consumption increases and operational costs rise
Solution Approach 1:
The construction element performs self-cooling through passive evaporative cooling without external energy input. Water stored in the porous material compartment evaporates naturally through the holding layer, creating suction that draws water through capillary action, eliminating the need for circulation pumps and external power sources.
Solution Approach 2:
The system utilizes the phase transition of water from liquid to vapor. Water stored in the porous material evaporates through the holding layer, absorbing latent heat of vaporization from the construction element, thereby achieving cooling effect without mechanical compression or external energy input.
2Power
If conventional heat pumps use special circulation fluids to transfer heat, then heat transfer efficiency is improved, but environmental harm and safety risks increase
Solution Approach 1:
The construction element incorporates a porous material compartment that stores and distributes water through capillary action. The porous structure enables efficient heat transfer through water's high specific heat capacity and latent heat of vaporization, while using only water as the circulation fluid, eliminating environmental and safety hazards associated with special chemicals.
3Reliability
If conventional heat pumps rely on external electricity networks, then operational reliability is maintained, but applicability to remote areas is limited
Solution Approach 1:
The construction element operates autonomously using passive physical processes—capillary action for water transport and evaporative cooling for temperature control—without requiring external electricity networks, making it suitable for remote and off-grid locations while maintaining reliable cooling performance.
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 system achieves energy savings by leveraging water's high specific heat capacity and latent heats for cooling, reducing the need for external energy and minimizing chemical usage, while being environmentally friendly and suitable for areas with limited electricity access.
Implementation Method 1
utilizing capillary transfer and natural suction to manage water content
Implementation Method 2
evaporates water to create a self-cooling effect
Implementation Method 3
leveraging water's high specific heat capacity and latent heats for cooling
Implementation Method 4
leveraging water's high specific heat capacity and latent heats for cooling
Data Source
AI summary
A construction element of a null-energy system includes a body on which the construction element can further include a porous material compartment with porous material to store water and evaporate the stored water outwards from the porous material through a holding layer on the opposite side of the porous material compartment to the body. The null-energy system uses a construction element of null-energy system as embodied therein.