Curved Pipe Tracer Interface for Conductive Heat Transfer
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Solution Overview
Problem
Conventional tube tracing systems rely on convective heat transfer, which is inefficient due to limited heat transfer rates through voids filled with air, often failing to adequately offset heat loss from fluids flowing through pipes despite insulation efforts.
Innovation Solution
A heat transfer element with curved mounting surfaces and a channel to secure a tracer, utilizing heat transfer cement to facilitate conductive heat transfer between the tracer and the pipe, enhancing heat transfer efficiency by bridging gaps and using conductive materials like aluminum alloys.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of energy
If convective heat transfer through air-filled voids is used, then the system structure is simple, but heat transfer efficiency is insufficient
Solution Approach 1:
A heat transfer element acts as an intermediary component between the tracer and the pipe. This element contains a heat transfer medium (such as aluminum alloy) that facilitates conductive heat transfer from the tracer to the pipe, overcoming the limitations of convective heat transfer through air-filled voids while maintaining relatively simple system structure
Solution Approach 2:
The invention changes the heat transfer mechanism parameter from convection (through air) to conduction (through heat transfer medium). By introducing a material with higher thermal conductivity between the tracer and pipe, the heat transfer rate increases significantly, addressing the insufficient heat transfer efficiency
2Loss of energy
If insulation is added to minimize heat loss, then heat loss is reduced, but additional heat transfer capability is still needed to maintain fluid temperature
Solution Approach 1:
The invention combines insulation with an active heat transfer system. The heat transfer element is integrated with the insulated pipe system, allowing the tracer to actively compensate for heat losses that occur despite the insulation, ensuring the fluid maintains its required temperature
3Ease of manufacture
If tracer is placed in void with air, then installation is simple, but heat transfer rate is limited by low convection coefficient
Solution Approach 1:
The heat transfer element serves as a mediator that bridges the tracer and the pipe. It maintains the simplicity of placement (similar to void placement) but dramatically improves heat transfer by providing a conductive path through materials with higher thermal conductivity than air
Solution Approach 2:
The invention changes the thermal conductivity parameter of the medium between tracer and pipe. By using materials like aluminum alloy with much higher thermal conductivity than air, the heat transfer rate increases while maintaining ease of installation
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 solution significantly increases heat transfer efficiency by converting convective heat transfer to conductive heat transfer, achieving an order of magnitude improvement in heat gain per foot of pipe, effectively mitigating heat loss from fluids flowing through pipes.
Implementation Method 1
utilizing heat transfer cement to facilitate conductive heat transfer between the tracer and the pipe
Implementation Method 2
heat transfer cement to facilitate conductive heat transfer between the tracer and the pipe, enhancing heat transfer efficiency by bridging gaps
Data Source
AI summary
A heat transfer element includes curved mounting surfaces configured to mate with an outer surface of a pipe for attachment thereto; and a channel configured to receive a tracer therein. The heat transfer element is configured to effect conductive heat transfer from the tracer to the pipe, or to process flowing through the pipe, when attached with heat transfer cement (HTC) to both the pipe and the tracer. A system includes a pipe and a tracer; HTC; and a heat transfer element having curved mounting surfaces configured to mate with an outer surface of the pipe and attached thereto via the HTC, and a channel in which the tracer is received and secured via HTC. The heat transfer element is configured to effect conductive heat transfer from the tracer to the pipe, or to process flowing through the pipe, when attached with HTC to both the pipe and the tracer.