This article introduces the paper “Three-Phase 75 kW Brushless Direct Current Motor for Electric Vehicles: Different Power Stage Design, Calculation of Losses, Cooling Techniques, and Comparison”. 1. Overview: 2. Research Background: The increasing need to reduce CO2 and SO2 emissions due to climate change necessitates improvements in electric vehicle efficiency. While Brushless Direct Current (BLDC)
This article introduces the paper “A Study on Cooling Characteristics of the LED Lamp Heat Sink for Automobile by Forced Convection”. 1. Overview: 2. Research Background: Automotive headlamps are crucial for driver visibility, and LED lamps are gaining popularity due to their energy efficiency and long lifespan. However, the high heat generation of LED lamps
This article introduces the paper “Heat Dissipation Design of High Power LED Headlamp”. 1. Overview: 2. Background: High-brightness white light-emitting diodes (LEDs) are very promising in many new illumination applications. LED light sources offer advantages such as long lifespan, fast response speed, environmental friendliness (mercury-free), and a color temperature (5500K-6000K) closer to natural light than
This article introduces the paper “A Review of Recent Trends in High Efficiency Induction Motor Drives”. 1. Overview: 2. Research Background: Induction Motor (IM) drives are a crucial technology in modern industry, powering various applications including material handling, food and beverage processing, and electric transportation systems like EVs and e-trucks. Recently, there’s a growing focus
This article introduces the paper “Design of gravity assisted heat exchanger and its application on enhanced waste heat recuperation utilizing organic Rankine and LNG system”. 1. Overview: 2. Research Background: The research addresses the growing global energy demand, projected to increase by 33% by 2050 [1]. A significant portion of energy is wasted as low-grade
This article introduces the paper “Vacuum Rheocasting Heat Sinks with Significantly Improved Performance”. 1. Overview: 2. Research Background: The demand for heat sinks across various industries (e-mobility, telecommunications, electronics, etc.) is significantly increasing, along with stricter performance requirements. A primary requirement for heat sinks is high thermal conductivity. Pure aluminum exhibits excellent thermal conductivity (247
1. Overview: 2. Research Background: The demand for lightweight and cost-effective heat sinks is increasing. Die casting is a common and economical method for producing complex-shaped heat sinks. To reduce weight, a typical approach involves thinning the fins and base of the heat sink. Previous research explored alternative casting methods like semisolid casting, high-density casting,
This article introduces the paper “Multi-Objective Optimization of Plate-Fin Heat Exchangers via Non-Dominated Sequencing”. 1. Overview: 2. Research Background: Plate-fin heat exchangers are widely used for heat dissipation in automotive engines due to their compact and lightweight structure, excellent heat transfer performance, and low production cost. Serrated staggered fins are commonly employed to enhance the
This article introduces the paper “Thermo-economic optimization for the advanced material selection of fins and heat sinks”. 1. Overview: 2. Research Background: Fins and heat sinks are widely used thermal elements crucial for efficient heat removal. Efficient heat removal necessitates a low cost, and factors such as fin profile, material properties, surface properties, raw material
This article introduces the paper “Advanced Metals for Aerospace and Automotive Use”. Abstract Core Objective of the Research: To develop materials with enhanced characteristics compared to existing state-of-the-art materials for improved performance in aerospace systems and automobiles. For automobiles, this improvement is particularly crucial for powertrain applications rather than body structures. Main Methodologies: The research focuses on
![Figure 1. Fin designs on heat sinks: left with all parallel fins, right with angled fins increasing turbulence in the air (cooling medium) and increasing air exchange between the fins to maximize cooling [2].](https://castman.co.kr/wp-content/uploads/image-114-570x287.webp)
