1. Pump에서의 Cavitation (공동현상) 에 대하여 기술하고 이로 생길 수 있는 문제점과 그 방지책에 대해 논하시오
- Cavitation이란
유체가 넓은 유로에서 좁을 곳으로 고속 유입하거나 벽면의 요철, 만곡부 등으로 흐름이 직선적이지 못할 때 유체는 저압이 되고 포화증기압보다 낮아지면 기화되어 기포가
and urged the drivers to get rid of any car matt.
However, US National Highway Traffic Safety Administration(NHTSA) announced in November that the cause might be defect of the car equipment and it brought a global controversy not only across the country, but all over the world. Finally, Toyota admitted the car had some faults and decided to recall the car; more than 8,500,000 cars were recalled
SUMMARY
Callaway Golf Company
Callaway Golf Company had become the leader in the golf equipment industry by developing technologically advanced golf clubs that compensated for the poor swing characteristics of most amateur golfers.
Ely Callaway, the founder of Callaway Golf Company, understood the importance of the physics of golf, so much that he made the phrase, “you can’t argue with p
team should make a conclusion whether or not its new products should be launched. They also wanted to find out how this problem could happen. They were very wary of this emergence situation not only because of its image for customer, but also if Black Diamond had to discontinue its axe program, all European competitors would step in and copy the technology that they worked so long to perfect.
● Definition of plasma
Plasma is one of the four fundamental states of matter, along with solid, liquid, and gas. It is an ionized gas consisting of a collection of charged particles, including ions, electrons, and neutral atoms or molecules. Plasma can be found naturally in the universe in the form of stars, lightning, and auroras, but it can also be artificially created and controlled for