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CHEMCAD CCTHERM

Heat Exchanger Simulation Program

By Donald (Don) Montierth, P.E.

A Users Overview

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CCTHERM is an integrated

software module for design andrating of heat transfer equipment

Shell and Tube

Plate and Frame

Air-cooled

Double Pipe

What is CCTHERM?

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Designs to InternationalStandards

TEMA ASME Code

DIN

BS5500

What Standards Can Be Applied?

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Shell and Tube Exchanger Types

Sensible heat - liquid or gas Reboilers - forced flow, thermosyphon

Condensers - vertical, horizontal, reflux, shell

side or tube side condensation

Falling film evaporators, heaters, coolers

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Shell and Tube Mechanical Configurations

All TEMA arrangements All baffle types

Bare or finned tubes (finned tube data for

popular manufacturers integral to program)

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Plate and Frame Exchangers

Sensible heating or cooling

Condensers

Evaporators

Chevron plates Intermating plates

User defined plates

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Air-Cooled Exchangers

Sensible cooling Condensers - vertical, horizontal, or reflux

Bare or finned tubes

Fan data for popular manufacturers integral to

program

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Double Pipe Exchangers

Sensible heat transfer for liquid or vapor Single or multiple modules in series or parallel

Single or multiple tubes per shell, straight or U

tube

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Double Pipe Exchanger

Mechanical Configurations

Bare or longitudinal fin tubes (Brown Fintubedata integral to program)

Standard Brown Fintube exchanger data integral

to program

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Benefits of CCTHERM

Fully integrated with process flowsheet withmultiple simulation modes

Design

Rating

Fouling factor rating

Geometry simulation Uses actual fluid properties

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Other Benefits of CCTHERM

Optimizes heat exchanger design whileaccounting for process variability

Reduces overall design time

Allows reduction of equipment overdesign

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CCTHERM Inputs

TEMA Type

Design Mode

Tube Data

Shell Data Baffle Data

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CCTHERM Outputs

TEMA specification sheet

Summary data for shellside, tubeside,

baffles, and overall performance

Zone analysis Vibration analysis

Heat curve

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CCTHERM Caveats

Design mode only provides the starting point.

Always inspect vibration results carefully.

Verify calculated tube count.

Some TEMA configurations require carefulreview of results.

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CCTHERM Summary

CCTHERM provides conservative andaccurate heat exchanger design and rating.

CCTHERM is much more than heat

exchanger design and rating software. It isa powerful simulation tool, integrated into

the system flow sheet.