자동차 공력 설계를 위한
인공지능 개발
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Support Organization
Hyundai Motor Company
Research Background
Benchmark experimental data is required to validate CFD analysis results of flow distribution characteristics in fuel cell separator channels
Research Objectives
Measure and analyze the flow velocity field inside the channel in 3D and 3C using a magnetic resonance velocimeter, and evaluate the flow distribution
Research Methods
Flow visualization inside the channel using a magnetic resonance velocimeter, which enables non-invasive flow visualization in complex shapes or opaque environments
Main Results
MRV velocity field data and flow distribution analysis results for hydrogen/air/cooling water channels
Fuel Cell Separator Flow Visualization
Research Background
Research on thermal issues is essential for mechatronic systems like Hyperloop, as thermal problems are directly related to electrical characteristics
Research Objectives
Analyze the heat transfer characteristics of various electrical and mechanical heat sources in Hyperloop, and derive improved cooling solutions
Research Methods
Perform electromagnetic, thermal, and flow coupled numerical simulations, and evaluate key design factors
Main Results
Hyperloop System Cooling Solution
Support Organization
Korea Railroad Research Institute
Analysis of Heat Transfer
in Hyperloop systems
Support Organization
Collaborative Research
Research Background
An MRI-based velocity/temperature/concentration measurement comparison results by groups around the world are needed to demonstrate the robust capabilities of the techniques.
Research Objectives
To visualize the velocity/temperature/concentration fields for the MRV challenge
Research Methods
Applying a combination of MRV, MRT and MRC to a building structures with complex 3D turbulent flow characteristics and comparing the results obtained by other groups
Main Results
The results are remarkably similar in nearly every way even with different types of MRI systems, different imaging protocols, and different reconstruction algorithms
MRV Challenge
Support Organization
LG Electronics
Research Background
The main source of flow noise is Turbulent Kinetic Energy (TKE), and it is necessary to measure TKE in the refrigerator machinery room using MRV and design flow paths to minimize it
Research Objectives
Reduction of flow noise through improvement of the flow path shape in the machinery room
Research Methods
Creation of a flow shape in the machinery room that satisfies mechanical similarity through 3D printing, and measurement of average velocity and TKE in the machinery room using MRV
Main Results
Flow Path Model for Noise Reduction in the Refrigerator Machinery Room
Improvement of flow distribution and reduction of flow noise through flow visualization in the refrigerator machinery room
Support Organization
LG Electronics
Research Background
During compressor muffler design, it is necessary to consider the flow characteristics of the refrigerant in order to minimize pressure drop and ensure efficient heat exchange of the refrigerant
Research Objectives
Comparison of flow characteristics in the piston suction path of two reciprocating compressor muffler models
Research Methods
Creation of a compressor piston suction path shape that satisfies mechanical similarity through 3D printing, and measurement of average velocity and TKE inside the piston suction path using MRV
Main Results
Comparison of energy loss and pressure drop due to TKE
#TKE #MRV
Low-Noise Flow Path Design through Internal Flow Visualization and Comparison of Flow Characteristics in the Compressor Muffler Area
