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    Computer Simulation of Two Phase P

    with application to Ice Formation aCream Preparation

    Sharath Chandra. JM.E (Thermal Engineering)

    BITS Pilani, Hyderabad Campus

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    The phase change processes have a great demand and are of in todays industries.

    The thermal aspects of these processes are of special concvariation of the those specifics can cause for change in thand structural properties of the materials.

    In order to study the thermal aspects of phase change detailed study of the two processes in particular which deaphases shall be made.

    (WCFMAAE-2013) IIT Delhi, New Delhi.

    Introduction

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    PROCESS

    1

    First Phase - Water Second Phase - Ice

    PROCESS

    2 First Phase

    Ice Cream (Molten Stat

    Second PhaseIce Cream (FrozenState)

    Components in Analysis and

    Experimentation

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    The necessary components in the projects experimental setup are :

    Three PT-100thermo-couples that

    are capable ofmeasuring temp inthe range of -100C

    to 400C.

    A single digitaltemperature

    indicator that iscompatible with

    the PT-100thermo-couples.

    Three toggleswitches toconnect the

    Temp indicatorto the thermo-

    couples

    A Stainless Steelvessel that has avolume capacityof 1 liter Wateror Ice Cream.

    A 230V, 50 Hzpower supply

    point. a

    Experimental Setup

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    Mac Farlane D.R, Kadiyala R.K, Angell C.A

    DIRECT OBSERVATION OF TIME-TEMPERATURE-TRANSFORMATION CURVES FORCRYSTALLIZATION OF ICE FROM SOLUTIONS BY A HOMOGENEOUS MECHANISM.

    Watzke B, H.Deyber and H-J. Limbach,

    HEAT AND MASS TRANSFER IN PARTIALLY FROZEN FOOD

    Theodore Kim, Michael Henson and Ming C. Lin,

    A HYBRID ALGORITHM FOR MODELING ICE FORMATION

    Rotchana Prapainop and Kuntinee Maneeratana,

    SIMULATION OF ICE FORMATION BY THE FINITE VOLUME METHOD

    LI TERATURE REVIEW

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    Water to I ce Conversion

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    I ce to Water Conversion

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    Freezing of I ce Cream

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    Melting of I ce Cream

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    Analysis Resultsfor Freezing of

    Water

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    Analysis Results

    for Melting of Ice

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    Analysis Results forFreezing of Ice Cream

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    Analysis Results forMelting of Ice Cream

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    18-06-2013 (WCFMAAE-2013) IIT Delhi, New Delhi.

    Advantages Disadvantage

    Material wastage during

    experimentation can be reduced.

    A highly accurate model is re

    make an exact analysis.

    Man power consumption can be

    reduced.

    Highly trained personnel are

    for performing the analysis.

    Multiple parameters can be tested in a

    short period of time.

    The analysis results do not al

    match the results obtained du

    experimentation due to impac

    external influences like flow

    rapid changes in ambience, et

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    18-06-2013 (WCFMAAE-2013) IIT Delhi, New Delhi.

    Conclusions and Future Sc

    The rate of heat transfer and the temperature distribution in the experiment and the m

    match and that analytical softwares like ANSYS can be used to simulate the phase cprocesses.

    By this analysis the amount of cooling required and the rate of cooling required can b

    calculated which is otherwise done by trial and error method leading to a loss of mon

    goods under consideration.

    The phase change processes can be easily and accurately reproduced through compu

    simulations.

    The future scope of the project is very vast and is of special importance in th

    and energy industry. Though the present analysis is limited to Ice Cream it is not the en

    The same parameters and analysis may be applied and performed to various food pro

    organic materials. These simulations can be used in industrial applications like metal c

    mouldings, alloy preparations, heat storage application by phase change processes, et

    work requires some research and lot of experimentation before the analysis part begins.

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    (WCFMAAE-2013) IIT Delhi, New Delhi.18-06-2013