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10000 psig 80oF constant pressure through out coil

10000 psi 160oF process fluid is crude oil

calculation of number of tubes in a coil

pipe OD 3.56 inch

shell length 21 ftOHTC 112.2515 Btu/hr.ft2.oF

water bath temperatu 190oF

LMTD 61.57242oF

Duty, Q 4000000 Btu/hr

area, A 578.7375 ft2

length of coil, L 621.2741 ft

No.of tubes, N 29.58448 no's

Please let me know whether this process of calculation is correct or not?if not please let me know how to proceed

10k/10k 4MMBtu/hr with 3"xxs pipe arrangement

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Are you certain that the working pressure in the coil is to be 10,000 psig? Is this the well

after the choke valve? there is no choke here in this case (constant pressure th

What type (kind) of "coil" are you proposing? Is it a helical, spiral, or simply a "zig-zag" de

How was the diameter of the flow line arrived at?

Is this "U"? See comment on sheet 2 OVERALL HEAT TRANSFER COEFFICIENT, U (O

See above. Is this a HELICAL COIL? You must furnish at least a sketch of what you call a c

I am going to fabricate the equipment which figure shown below. Please have a look

What is the purpose of this design? Is it to ESTIMATE? Is it to FABRICATE? Please be speto fabricate

this design is done as per my senior in our company (now she is resigned)

can I use process fluid as a natural gas also? If yes please sugest me what could be the cha

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head pressure or the pressure

ough out coil)

  sign? please refer below figure for clarification

  HTC)

il; we can't read your mind.

cific.

nges in calculations

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190oF

160oF

175oF

60.18 lb/ft3

0.923 cp

0.387 Btu/hr.ft2.oF/ft

0.000806 F-1

32.17 ft/sec2

30oF

1.019 Btu/lboF

112.2515 Btu/hr.ft2.oF Where doe

Is this reall

Why do yo

here I have

Because I h

How to get

Volumetric thermal expansion coefficient

acceleration due to gravity

temp difference

specific heat

heat transfer coefficient

thermal conductiviy

water bath temperature

coil o/l temp

mean temperature

density

viscosity

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  s the equation for the Heat Transfer coefficient come from? Reference and whether it is Inside or Ou

y the "U" (Overall Heat Transfer Coefficient) in the equation Q = U A T ? If so, then why don't you st

u make it accurate down to the 4th decimal place??? Do you really believe your calculations are THA

calculated outside heat transfer coefficient (water) and used the same value to calculate number of

ave no information about the crude properties (process fluid).

the process fluid properties when no information is available?

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side coefficient.

ate it??

accurate???

  ipes.

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"U" Values for GAS Heating in Water Bath Indirect Heater

"U" Values for OIL Heating in Water Bath Indirect Heater

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CAN I USE THIS U value in direct calculton Q=UAΔT

can I calculate number of pipe from below equation

WHERE A=2ΠRLN

R=inner radius of pipe

L= length of pipe

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N= no.of pipes

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I TGIVES T

CAN YOU P

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E VALUES UPTO 4KPSI,

LEASE PROVIDE ME TILL 15KPSI IF POSSIBLE

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THAK YOU FOR YOUR VALABLE INFO

CAN YOU PLEASE GIVE ME THE VALUES FOR THE TILL 5MMBtu/hr I

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  POSSIBLE

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