Heat Transfer In Jacketed Vessel 693i3p

Heat transfer rate for Limpet coil type jacket Description

Nomenclature

Name

Jacket fluid properties

Shell side fluid

HW

Reaction mixture

Pressure

P

3.5

Temperature

T,t

343

Viscosity

µ

0.00108

density

ρ

985

Mass flow rate

m

11077.764

Unit LMTD

barg 305 K 0.00044 mN s/m2

T1(jacket) in

343 K

T2(jacket) out

341 K

t1(Vessel) initial

305 K

t2(Vessel) final

331 K

1326 kg/m3

dt1

38.00 K

2840

dt2

10.00 K

3.08

20.974 K

No. of Limpet coils

15.938 97.647 m

specific heat capacity



4186

Half-pipe diameter

D

0.142

m

Length of channel

De (Equivalent diameter)

De

0.223142857

m

Area

thermal conductivity

k

0.59

0.4 W/m K

Pitch

Dg

0.05

m

Total length of limpet coil (vertical)

Dp

3.06

m

Diameter of limpet coil (helix)

Dc

2.10 m

Agitator diameter

L

1.1 m

Agitator width

W

0.085 m

Agitator rps Daimeter of tank

964.141 W 0.964 KW

Input

With agitator dimension value of Q

1.95 m 0.67

k

1/U

15 W/m K

Thickness of shell

0.008 m

Ri (shell scale resistance)

0.0002 m2 K/W

Ro (jacket scale resistance)

0.0001 m2 K/W

Jacket side heat transfer coefficient

0.341 m2

Q

1.6 Dv

Agitator index Metal thermalconductivity

1256 J/kg K

LMTD

174.305

Reactor side heat transfer coefficient

m2 K/W 657,157.66 m2 K/W

Rd = Ri+Ro (dirt factor)

0.0003 m2 K/W

Rw (Wall resistance)

0.000533333 m2 K/W

1/Uo

0.00742

Uo

134.682 W/ m2 K

U Q

0.00711 140.74 W/m2 k 1,007.516 W 1.0075 KW

Vessel side ho ( other equations) heat transfer co-efficient ho

3113.553877 m2 k / W

hb

2804.603697 m2 k / W

hb

4175.429017 m2 k / W

For square tank ho

753798.4921 m2 k / W