Rotating Disc Heat Transfer for Uniform Thermal Cycling
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Solution Overview
Problem
Existing thermal cycling devices face challenges in maintaining thermal uniformity across sample chambers during heating and cooling processes, leading to non-uniform sample yields.
Innovation Solution
A device comprising a disc with a heating element and an air gap, where the disc is rotated to induce turbulent airflow between the disc and the heating element, enhancing convective heat transfer and ensuring uniform temperature distribution.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If a disc is rotated to induce turbulent airflow for heat transfer, then thermal uniformity across sample chambers is improved, but device complexity increases due to the rotation mechanism
Solution Approach 1:
The patent applies the dynamics principle by rotating the disc to induce turbulent airflow between the heating element and sample chambers. The rotation speed can be adjusted to control the degree of turbulence, thereby optimizing heat transfer and achieving uniform temperature distribution across all sample chambers while managing the complexity of the rotation mechanism.
2Productivity
If turbulent airflow is induced for convective heat transfer, then heating and cooling efficiency is improved, but energy loss increases due to enhanced convection
Solution Approach 1:
The patent applies parameter changes by adjusting the rotation speed of the disc to optimize the balance between convective heat transfer efficiency and energy loss. By controlling the turbulence intensity through rotation speed, the system achieves improved heating and cooling efficiency while managing energy consumption and minimizing unnecessary energy loss.
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 achieves uniform temperature control across sample chambers, improving the consistency and quantification of thermal cycling processes by promoting efficient heat transfer through turbulent airflow.
Implementation Method 1
rotation of the disc induces a turbulent airflow within the air gap
Implementation Method 2
Heat transfer for thermal cycling can include conduction, radiation, and/or convection to transfer heat to one or more sample chambers
Implementation Method 3
Heat transfer for thermal cycling can include conduction, radiation, and/or convection to transfer heat to one or more sample chambers
Implementation Method 4
Heat transfer for thermal cycling can include conduction, radiation, and/or convection to transfer heat to one or more sample chambers
Data Source
AI summary
The present application relates to an apparatus and method for heat transfer for thermal cycling.