Modular PCM Thermal Storage Unit for Automotive Lubrication
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Solution Overview
Problem
Current thermal energy storage and management systems face challenges in optimizing energy exchange surfaces, residence time, adaptability to varying requirements, mass production costs, and integration in the automotive field, while maintaining high energy performance and controlling dimensions and weight.
Innovation Solution
A modular thermal energy storage unit comprising multiple blocks with PCM elements, communication passages for fluid circulation, and thermally insulating materials, allowing for flexible arrangement and integration into engine lubrication circuits for efficient thermal management.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a modular design with multiple blocks is used, then adaptability to different applications and mass production capability are improved, but device complexity increases
Solution Approach 1:
The thermal energy storage unit is divided into multiple modular blocks, each containing PCM elements, communication passages, and thermal management components. These standardized modules can be assembled in different configurations to meet varying application requirements while maintaining manufacturing efficiency through repetition of the same basic unit.
Solution Approach 2:
Each modular block is designed as a universal unit that can serve multiple functions: storing thermal energy, releasing thermal energy, and providing thermal insulation. The standardized interface and configuration allow the same module to be used in different positions and arrangements within the same system or across different applications.
2Power
If PCM elements are arranged loosely in chambers, then heat exchange efficiency and fluid circulation are improved, but energy conservation over time deteriorates
Solution Approach 1:
The system applies different thermal management strategies to different locations: PCM elements are arranged loosely in chambers where direct fluid contact is needed for high heat exchange efficiency, while peripheral regions are equipped with thermal insulation elements and VIP (vacuum insulation panels) to minimize energy losses during storage periods.
Solution Approach 2:
The thermal management system combines multiple materials and structures: PCM (phase change material) for energy storage, thermally insulating materials for heat protection, and VIP (vacuum insulation panels) for enhanced thermal isolation. This composite approach allows simultaneous optimization of heat exchange and energy conservation.
3Productivity
If communication passages are added between chambers, then fluid circulation and heat exchange are improved, but device complexity and manufacturing cost increase
Solution Approach 1:
The communication passages are integrated into the modular block design as standardized features. Each block contains pre-formed passages that align with adjacent blocks when assembled, allowing fluid circulation without requiring complex custom routing for each configuration. This segmentation of fluid paths into modular units simplifies manufacturing.
4Loss of energy
If thermal insulation elements and VIP are integrated into outer walls, then energy losses are reduced and mass production is facilitated, but device complexity increases
Solution Approach 1:
The thermal insulation elements and VIP (vacuum insulation panels) are integrated directly into the outer walls of the modular blocks, combining the structural housing and thermal insulation functions into a single unified component. This merging reduces the number of separate parts and assembly steps while maintaining effective thermal isolation.
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 modular design enhances energy performance, facilitates mass production, and adapts to different applications, ensuring efficient thermal energy storage and release while minimizing weight and energy losses, suitable for automotive use.
Implementation Method 1
The thermal storage can be achieved by using the Latent Heat (LH) thereof: the material can then store or transfer energy by simple change of state, while maintaining a temperature and a substantially constant pressure, that of the change of state.
Implementation Method 2
The thermal storage can be achieved by using the Latent Heat (LH) thereof
Implementation Method 3
elements for the thermal management of the chambers arranged around said chambers and at least some of which include a thermally insulating material
Data Source
AI summary
A unit for storing and releasing thermal energy including a plurality of blocks each having a body the lateral walls of which delimit a chamber suited to receiving storage and release elements of PCM type, to be placed in heat exchange relationship with a refrigerating or heat-transfer fluid circulating between the chambers via passages; and elements for the thermal management of the chambers arranged around said chambers and at least some of which include a thermally insulating material and others a PCM.