oundary conditions are extremely important for simulating/optimizing fluid flow and heat transfer in heat exchanger designs. Improving performance of heat exchangers requires greater freedom in the design process, which is computationally demanding and imposes manufacturing challenges.
Conventional optimization methods, that keep the heat exchanger boundaries distinguishable, are based on pixel or voxel optimization which require high CPU time due to the complexity of multidimensionality. Additionally, as the conventional methods/software packages start from limited pre-defined heat sink fin geometries, the final design/output may face manufacturing challenges and/or optimality issues (i.e. may be a local optimum but not an absolute optimum).
Researchers at the University of Waterloo have invented a fast and non-restrictive method for optimizing the shape of heat exchanger fins that reduces the dimension of the optimization problem without sacrificing manufacturability or freedom to change the heat exchanger design.
The methodology uniquely utilizes Deep Reinforcement Learning (Deep RL) and Boundary Representation (BREP) algorithms and automatically designs/simulates heat exchanger fins and layouts based on the “physics” of each use-case. The designer is only required to input/define the “design space”, i.e. the boundaries of heat exchanger’s solid components, and thermodynamic parameters, i.e. temperatures and heat flux. The system then optimizes the shape of heat exchanger fins for maximum heat transfer and minimum fluid pressure drop.
Advantages
Potential applications
The invention can potentially be used for designing/simulating any heat exchanger system, including for:
Patent status
Patent issued
Stage of development
Lab prototype and ongoing research
The University of Waterloo, renowned for its innovative spirit and co-op education model, excels in cutting-edge research across diverse fields, including advanced manufacturing, artificial intelligence, sustainability, and health technologies.
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