{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

SolHW13ME2320

# SolHW13ME2320 - M t T& 5 – 17.Given Water D = 130 mm P...

This preview shows pages 1–2. Sign up to view the full content.

5–11

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
5 – 16 .Given: Spherical balloon filled with air. P = 120 kPa; T = 35 o C; D = 15m; V i =2 m/s; d = 1 m; Find: t required to inflate the balloon Solution: Assume air is ideal gas The specific volume of air at those conditions is v = RT/P = (0.287)(35+273)/120; v = 0.73663 m 3 /kg The total mass that will be put in the balloon is M T =V / v = (4/3) π (D 3 /8)=(4/3) π (15 3 /8)/0.73663; M T =2398.95 kg And the mass flow rate if air into the balloon is s kg m v VA m / 132 . 2 ; 73663 . ) 4 / 1 ( ) 2 ( = = = & & π Then the time required to fill up the balloon is min 74 . 18 ; / 132 . 2 95 . 2398 = = = t s kg kg m M t T & 5 – 17
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: M t T & 5 – 17 .Given: Water; D = 130 mm; P i = 7 MPa; T i = 65 o C; P e = 6 MPa; T e = 450 o C; V e =80 m/s Find: V i ; V i . Solution: At the exit: P e = 6 MPa; T e = 450 o C b v e = 0.05217 m 3 /kg s kg m v VA m / 354 . 20 ; 05217 . ) 4 / 130 . ( ) 80 ( 2 = = = & & At the inlet: P i = 7 MPa; T i = 65 o C b v i 2245 v [email protected]=65C =0.001020m 3 /kg s m V A v m V i i i / 564 . 1 ; ) 4 / 130 . ( ) 00102 . )( 354 . 20 ( 2 = = = & s m V A V V i i i / 02076 . ; 3 = =...
View Full Document

{[ snackBarMessage ]}

### Page1 / 2

SolHW13ME2320 - M t T& 5 – 17.Given Water D = 130 mm P...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document
Ask a homework question - tutors are online