Conditioned air distribution ceiling plenum
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Inefficient air distribution in refrigerated railcars can lead to spoilage of perishable products, and existing systems often obstruct the transport of goods within the railcar.
Innovation Solution
A ceiling-mounted air distribution plenum system that includes a diffuser connected to first and second air channels with distribution holes, separated by a channel divider, which is attached to the railcar's ceiling to ensure even air distribution and minimize temperature variations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a distribution system is installed to deliver conditioned air throughout the railcar, then air distribution efficiency is improved, but the system may obstruct the transport of products and goods within the railcar
Solution Approach 1:
The air distribution system is mounted on the ceiling of the railcar, transitioning from traditional side-wall or floor-based distributions to a top-down approach. This utilizes the vertical dimension for air delivery while preserving horizontal transport space for products and goods throughout the railcar interior.
Solution Approach 2:
The ceiling-mounted distribution system divides the air delivery function into multiple separate air channels distributed across the ceiling surface. Each channel independently delivers conditioned air to specific zones, providing comprehensive coverage without requiring a single large obstructive structure.
2Temperature
If multiple air channels are used to distribute air evenly, then temperature uniformity is improved, but device complexity increases
Solution Approach 1:
The ceiling-mounted plenum structure serves multiple functions simultaneously: it acts as both the air distribution manifold and the mounting framework for multiple air channels. The channel dividers perform dual roles of separating air streams and providing attachment points to the ceiling, reducing overall system complexity despite multiple air delivery paths.
Solution Approach 2:
Multiple air channels are integrated into a single ceiling-mounted plenum assembly, combining what would traditionally be separate distributed components into one unified structure. This consolidation simplifies installation and maintenance while maintaining the temperature uniformity benefits of multi-channel distribution.
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 smooth air flow transition, even air distribution along the railcar, minimizes temperature variations, and reduces spoilage of perishable products by allowing for customizable air flow based on packaging and product type.
Implementation Method 1
a diffuser that may be configured to transmit conditioned air to at least one first air channel
Data Source
AI summary
Embodiments of the disclosure can relate to a ceiling mounted air distribution system for a railcar. According to one embodiment of the disclosure, a ceiling-mounted air distribution plenum may include: a diffuser configured to transmit air to at least one first air channel, the at least one first air channel having a first end configured to couple to the diffuser, a second end distal from the first end; at least one second air channel disposed proximate to and longitudinally with the at least one first air channel, the at least one second air channel having a first end configured to couple to the diffuser, a second end distal from the first end, and at least one air distribution hole, and at least one channel divider disposed to separate the at least one first air channel and the at least one second air channel.