Air-Cooled Pressurizing Device with Segmented Airflow
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Solution Overview
Problem
Existing pressurizing devices face challenges in efficiently cooling multiple heat-exchangers with varying sizes, shapes, and flow resistances, using a common airflow, which results in uneven cooling capacities and increased energy consumption.
Innovation Solution
The pressurizing device incorporates a design where heat-exchangers are arranged near each other in the air channel, with guiding elements that split and direct the airflow to each heat-exchanger based on its specific cooling requirements, ensuring a more even distribution of airflow and improved cooling efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If multiple heat-exchangers are cooled by a common airflow, then device complexity is reduced, but cooling capacity becomes uneven across heat-exchangers
Solution Approach 1:
The air channel is segmented into multiple sub-channels using partition elements, with each sub-channel dedicated to cooling a specific heat-exchanger. This segmentation allows independent airflow control for each heat-exchanger while using a single airflow forcing device, thus maintaining low device complexity while achieving reliable and even cooling capacity distribution.
Solution Approach 2:
The airflow channel is designed with varying cross-sectional areas and flow resistances in different regions to match the specific cooling requirements of each heat-exchanger. By adjusting local channel geometry and adding flow control elements, the airflow distribution is optimized for each heat-exchanger's size, shape, and thermal load characteristics.
2Reliability
If airflow is increased to meet cooling demands of all heat-exchangers, then cooling capacity is improved, but energy consumption increases
Solution Approach 1:
The air channel incorporates sections with different cross-sectional areas, flow resistances, and geometric configurations tailored to the specific cooling needs of each heat-exchanger. This local optimization ensures that each heat-exchanger receives the precise airflow quantity required, avoiding excessive energy consumption while maintaining adequate cooling capacity across all heat-exchangers.
Solution Approach 2:
Adjustable flow control elements are incorporated into the air channel to dynamically regulate airflow distribution to each heat-exchanger based on real-time cooling demands. This allows the system to adapt airflow quantities optimally, reducing energy consumption when full cooling capacity is not required for all heat-exchangers.
3Volume of stationary object
If heat-exchangers are arranged close together, then device volume is reduced, but airflow distribution becomes more difficult
Solution Approach 1:
The air channel is divided into multiple sub-channels using partition elements, with each sub-channel leading to a specific heat-exchanger. This segmentation enables compact arrangement of multiple heat-exchangers in close proximity while maintaining independent and controlled airflow paths, thus reducing device volume without compromising airflow distribution.
Solution Approach 2:
The airflow channel utilizes three-dimensional routing and vertical stacking of heat-exchangers to achieve compact arrangement. By exploiting multiple spatial dimensions and creating complex but efficient flow paths, the design accommodates multiple heat-exchangers in close proximity while ensuring adequate airflow distribution to each.
4Productivity
If different airflow quantities are supplied to each heat-exchanger, then cooling efficiency is improved, but device complexity increases
Solution Approach 1:
The air channel is designed with varying cross-sectional areas, flow resistances, and geometric features in different sections to naturally direct appropriate airflow quantities to each heat-exchanger. This passive flow distribution approach achieves optimized cooling efficiency without requiring complex active control systems, multiple airflow forcing devices, or sophisticated regulation mechanisms.
Solution Approach 2:
The airflow distribution system utilizes the inherent pressure gradients and flow resistance characteristics of the channel geometry to automatically allocate appropriate airflow quantities to each heat-exchanger based on their cooling demands. This self-regulating mechanism achieves efficient cooling without external control intervention, maintaining simplicity while optimizing 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
This approach allows for better adaptation of the airflow to the specific cooling needs of each heat-exchanger, enhancing cooling capacity, reducing energy consumption, and minimizing noise, while maintaining a compact and cost-effective design.
Implementation Method 1
two or more heat-exchangers positioned in the air channel for transferring heat from the heat-exchanger to air forced through the air channel
Data Source
AI summary
An air-cooled pressurizing device wherein two or more heat-exchangers are arranged near or on top of one another or both in a cross-section of an air channel in such a way that a total air flow through the air channel is subdivided in several air streams. One or more guiding elements is or are provided in the air channel for splitting the air flow and guiding air to one or more of the heat-exchangers or a part of such heat-exchangers.