Segmented Heat Exchange System for Renewable Energy Stabilization
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Solution Overview
Problem
The fluctuating energy output from renewable sources like wind and solar poses challenges for managing electricity generation, and existing heat exchange systems struggle to efficiently store and release thermal energy to stabilize this variability.
Innovation Solution
A heat exchange system with at least two chambers, including a main and a subsidiary chamber, where the heat transfer fluid flows in a countercurrent or co-current direction depending on the mode, utilizing a charging unit for heating and a discharging unit for electricity production, with flow adjusting elements and thermal insulation to optimize energy storage and release.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a single heat exchange chamber is used, then the device complexity is low, but the flexibility and efficiency of energy storage and release are insufficient
Solution Approach 1:
The heat exchange system is divided into multiple independent chambers (main heat exchange chamber and subsidiary heat exchange chamber), each capable of storing and releasing thermal energy. This segmentation allows flexible combination of chambers to match varying energy storage and release requirements, improving adaptability while maintaining manageable complexity through modular design
2Quantity of substance
If the heat exchange chamber interior is large, then the heat storage capacity is high, but the heat transfer efficiency decreases due to large temperature gradients
Solution Approach 1:
The system divides the heat storage function across multiple chambers of appropriate sizes. The main chamber provides bulk storage capacity while subsidiary chambers handle efficient heat transfer operations, thereby achieving both high storage capacity and efficient heat transfer by distributing the thermal mass across segmented units
Solution Approach 2:
Different chambers are optimized for different functions: the main chamber is designed for maximum heat storage capacity with appropriate dimensions, while subsidiary chambers are optimized for efficient heat transfer with smaller sizes and better thermal contact with the heat transfer fluid, allowing each region to have the quality needed for its specific purpose
3Power
If the heat transfer fluid flows quickly through the chamber, then the power output is high, but the heat exchange completeness decreases
Solution Approach 1:
The heat exchange process is distributed across multiple chambers. The heat transfer fluid can flow through each chamber at optimized velocities, allowing sufficient residence time for complete heat exchange in each segment while maintaining high overall power output through parallel or sequential chamber operation
Solution Approach 2:
The system enables continuous heat exchange operation by having the heat transfer fluid sequentially pass through multiple chambers. This continuous flow through segmented chambers ensures complete heat exchange while maintaining steady power output, as each chamber contributes to the overall heat transfer process without interruption
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
This system allows for flexible energy storage and release, maximizing charging and discharging efficiency while minimizing thermal losses, and can be integrated with existing power plants to stabilize renewable energy output.
Implementation Method 1
By the guiding of the hot heat transfer fluid through the heat exchange chamber interior a heat transfer from the heat transfer fluid to the heat storage material is caused. Heat is stored by the heat storage material.
Implementation Method 2
By the guiding of the cold heat transfer fluid through the hot heat exchange chamber interior a heat transfer from the heat storage material to the heat transfer fluid is caused. Heat is released from the heat storage material.
Implementation Method 3
The heat exchange chamber boundaries comprise thermal insulation to minimize heat loss to the surroundings.
Data Source
AI summary
A heat exchange system with at least two heat exchange chambers is provided. Each of the heat exchange chambers includes heat exchange chamber boundaries which surround at least one heat exchange chamber interior of the heat exchange chamber. The heat exchange chamber boundaries include at least one first opening for guiding in of an inflow of at least one heat transfer fluid into the heat exchange chamber interior and at least one second opening for guiding out of an outflow of the heat transfer fluid out of the heat exchange chamber interior. At least one heat storage material is arranged in the heat exchange chamber interior such that a heat exchange flow of the heat transfer fluid through the heat exchange chamber interior causes a heat exchange between the heat storage material and the heat transfer fluid.