This article introduces the paper “Improving Quality in Mega-Casted Products: Identification of contributors to geometrical variation”. 1. Overview: 2. Research Background: The increasing global demand for environmentally friendly automotive manufacturing necessitates lightweighting techniques to address the weight increase associated with electric vehicle (EV) batteries. Volvo Cars is investing in large-scale casting (Mega-casting) using High-Pressure Die
This article introduces the paper “AUTOMOTIVE HEADLAMP HIGH POWER LED COOLING SYSTEM AND ITS EFFECT ON JUNCTION TEMPERATURE AND LIGHT INTENSITY”. 1. Overview: 2. Background: Automotive headlamps are crucial for nighttime safety and vehicle aesthetics. Historically, halogen and xenon bulbs were prevalent, but halogen bulbs are inefficient, generating significant heat, while xenon bulbs have slower
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 “Influence of Different Rapid Injection Velocity on Forming Quality of Magnesium Alloy Vacuum Die Casting”. 1. Overview: 2. Research Background: This research investigates the impact of rapid injection speed on the quality of magnesium alloy vacuum die castings using AZ91D magnesium alloy. Magnesium alloys are widely used in aerospace, 3C
This article introduces the paper “Aluminum alloys for electrical engineering: a review”. 1. Overview: 2. Research Background: High-performance conductors are essential for economically and environmentally sustainable electricity transfer in modern infrastructure, manufacturing, and transportation, including electric vehicles. While copper has been the traditional conductor of choice, aluminum offers significant advantages in terms of cost and
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 “Design and Manufacturing of High Performance, Reduced Charge Heat Exchangers”. 1. Overview: 2. Background: Heating, ventilation, air-conditioning, and refrigeration (HVAC&R) systems consume a significant portion of residential and commercial building energy. Reducing refrigerant charge to mitigate greenhouse gas emissions is a crucial objective. Traditional heat exchangers (HXs) using round tubes
![Figure 5 Aluminum wiring in automotive vehicles: a time line of application of aluminum in automotive wiring, reproduced from [53]; b high-strength aluminum alloy wire installed in the engine harness, reproduced from [57]; c die-cast aluminum coil for motor winding with seven turns and a conductor height of approx. 1.5 mm along with d coil arrangement, reproduced from [264]; e hairpin motor using aluminum V-cat windings, reproduced from [59]; f insulated and bare AA1350 aluminum of 7 AWG square tested for hairpin winding of electric motors and copper wire for comparison along with stress vs strain elongation curves, reproduced from [11].](https://castman.co.kr/wp-content/uploads/Figure-5-Aluminum-wiring-in-automotive-vehicles-570x342.webp)
