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M i n i s t r y o f H i g h e r E d u c a t i o n FOOD TRANSPORT REFRIGERATION DESIGN AND ANALYSIS By Submitted in partial fulfilment of the requirements of B.Sc. Degree in Mechanical Engineering

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M i n i s t r y o f H i g h e r E d u c a t i o n FOOD TRANSPORT REFRIGERATION DESIGN AND ANALYSIS By Submitted in partial fulfilment of the requirements of B.Sc. Degree in Mechanical Engineering
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    Ministry of Higher Education Al Imam Mohammad Ibn Saud Islamic University College of engineering Mechanical Engineering Department FOOD TRANSPORT REFRIGERATION DESIGN AND ANALYSIS By Submitted in partial fulfilment of the requirements of B.Sc. Degree in Mechanical Engineering April 2017      Al Imam Mohammad Ibn Saud Islamic University College of Engineering Anti-Plagiarism Declaration This is to declare that the graduation project, produced under the supervision of Dr.SAYED Hussain, And having the title “FOOD TRANSPORT REFRI GERATION”  is the sole contribution of the Student named below and no part hereof has been reproduced illegally (in particular, cut and paste) Which can be considered plagiarism? All referenced parts have been used to support and argue The ideas herein, and have been cited properly. I/we certify that I/we did not commit plagiarize, Cheat, and upheld the principles of academic honesty. I/we are responsible and liable for Any consequences, if violation of this declaration is proven.  Date: ___________________ Student Name(s):   Signature:_______________ _________________    1 ACKNOWLEDGEMENT We take this opportunity to express our deepest and sincere gratitude to our supervisor D.Engs./SAYED FAKHER for his insightful advice, motivating suggestions, invaluable guidance, help and support in successful completion of this project and also for his constant encouragement and advice throughout our project. Also we would like to convey our thanks to the teaching and non-teaching staff of the Department of Mechanical Engineering for their in valuable help and support throughout the period of our project.  2 Table of Contents ACKNOWLEDGEMENT ................................................................................................................1 TABLE OF CONTENTS .................................................................................................................2 NOMENCLATURE .........................................................................................................................4 LIST OF TABLES ...........................................................................................................................5 LIST OF FIGURES ..........................................................................................................................6 ABSTRACT ......................................................................................................... ………………… 7 CHAPTER 1 .....................................................................................................................................8 1.1   INTRODUCTION ............................................................................................ ……………….. 8 1.1.1   TRANSPORTATION OF REFRIGERATED FOODS ............................ ………………. 8 1.1.2   TEMPERATURE CONTROL AND LEGISLATION REQUIREMENTS FOR REFRIGERATED TRANSPORT………………………………………………………………...1 1 1.2   Technologies currently in use in food transport refrigeration .............................................. 12 1.2.1   Vehicles ........................................................................................ …………………… 12 1.2.2   Refrigeration units ..................................................................... ………………… .13 1.2.2.1   Drive systems for refrigerated transport vapor compression systems ..................... 14 1.2.2.1.1   VEHICLE ALTERNATOR UNIT: ....................................................................... 14 1.2.2.1.2   DIRECT DRIVE UNIT ................................................................................. .. 14 1.2.2.1.3   AUXILIARY ALTERNATOR UNIT .................................................................. 14 1.2.2.1.4   AUXILIARY DIESEL UNIT ......................................................................... 15 1.2.2.2   AIR DELIVERY SYSTEMS .......................................................................... 16 1.2.2.3   MULTI-COMPARTMENT VEHICLES .............................................................. 17 1.2.2.4   EUTECTIC SYSTEMS .................................................................................. . 18 CHAPTER 2 ................................................................................................................................... 19 2.1   Introductions ............................................................................................. ………………… 19 2.2   Criteria for Selecting refrigeration units ..................................................... ………………  . 19 2.3   Transport temperature: ............................................................................... ………………. 20  2.4   CALCULATING THE VEHICLE BODY'STHERMAL RATING .................................... 20 2.5   Examples for calculating the vehicle body thermal rating ......................... ……………   …. 21 2.6   RECOMMENDATIONS WHENSELECTING REFRIGERATION UNIT ........................ 27  3 CHAPTER 3 ................................................................................................................................... 28 3.1   Introductions .............................................................................................. ……………… 28 3.2   Analysis of calculation .............................................................................. ………………… 28 3.2.1 calculate the enthalpy for refrigerant ...................................................... ………………. 29  CHAPTER 4 ............................................................................................................................... 36 4.1   Introductions .............................................................................................. ……………… 36  4.1.1 insulated rigid boxes .............................................................................. ………………… 37 4.1.1.2 structure of polyurethane panel .......................................................... ………………. 37 4.1.2 transport refrigeration units ................................................................. ………………… 39 4.1.3 structure for transport refrigeration trucks .......................................... ………………. 40  
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