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
.2.2 설계선 경하중량 분포 추정
먼저 설계선의 경하중량이 유사한 ICE CLASS의 쇄빙선과 경하중량의 분포율이 같다고 가정하여, 실적선으로 부터 설계선의 초기 경하중량의 분포율을 유추하고자 한다. 설계선의 경하중량 분포를 추정해내기 위해서 최대한 많은 수의 유사 실적선으로 부터 유추해내어
pressures and demands players with
your sons abilities put on themselves
to win are incredible. The stress and
tension are difficult enough for adults
to handle, yet alone a nine year old.
FATHER
I cant afford to keep him in here
forever, you know.
DOCTOR
Id just like to keep him here over
night, then start sessions with a child
psychologist.
FATHER
I knew this would happen. This is his
mothers d
SWIRLS WITH us as we DASH TOWARDS it, the dark
holes widening as we DIVE at them, PLUNGING HEADLONG INTO
BLACKNESS --
TUMBLING DOWN the rabbit hole.
After a long silent moment, we hear a MAN SNEEZE.
INT. DIME STORE
The DARKNESS BECOMES a curtain that is yanked open as the
same MAN steps out talking to himself.
MAN
Hi, Susan... no. Hi, Susie...
We realize he has just stepped out of a photo booth.
nozzle
masturbation material for weeks.
VERONICA
Ill think about it.
HEATHER CHANDLER
(looking off)
Dont think.
POV ON CAFETERIA LINE
Unattractive and quite overweight, MARTHA DUNNSTOCK/DUMPTRUCK
guiltily plops two jellos on her tray and clunks forward in
line.
CAFETERIA ENTRANCE
VERONICAs arm, seemingly involuntary, latches onto the
outstretched pen.
HEATHER CHANDLER
Splendid. Ill dictate. Veron