Drying and storage of cereal grains

✍ Scribed by Bala, Bilash Kanti

• Publisher: John Wiley & Sons
• Year: 2016
• Tongue: English
• Leaves: 340
• Edition: Second edition
• Category: Library

✦ Table of Contents

Content: Title Page
Copyright
Contents
Foreword to the Second Edition
Foreword to the First Edition
Preface
Chapter 1 Principles of Drying
1.1 Introduction
1.2 Losses of Crops
1.3 Importance of Drying
1.4 Principles of Drying
Reference
Further Reading
Chapter 2 Moisture Contents and Equilibrium Moisture Content Models
2.1 Introduction
2.2 Moisture Content Representation
2.3 Determination of Moisture Content
2.3.1 Direct Methods
2.3.2 Indirect Methods
2.4 Grain Sampling
2.5 Equilibrium Moisture Content
2.6 Determination of Static Equilibrium Moisture Content 2.7 Static Equilibrium Moisture Content Models2.8 Net Isosteric Heat of Sorption
Exercises
References
Chapter 3 Psychrometry
3.1 Introduction
3.2 Psychrometric Terms
3.2.1 Humidity Ratio
3.2.2 Relative Humidity
3.2.3 Specific Volume
3.2.4 Vapour Pressure
3.2.5 Dry Bulb Temperature
3.2.6 Dew Point Temperature
3.2.7 Wet Bulb Temperature
3.2.8 Enthalpy
3.2.9 Adiabatic Wet Bulb Temperature
3.2.10 Psychrometric Wet Bulb Temperature
3.3 Construction of Psychrometric Chart
3.4 Use of Psychrometric Chart
3.4.1 Sensible Heating and Cooling
3.4.2 Heating with Humidification 3.4.3 Cooling with Humidification3.4.4 Cooling with Dehumidification
3.4.5 Drying
3.4.6 Mixing of Air Streams
3.4.7 Heat Addition with Air Mixing
3.4.8 Drying with Recirculation
Exercises
References
Further Reading
Chapter 4 Physical and Thermal Properties of Cereal Grains
4.1 Introduction
4.2 Structure of Cereal Grains
4.3 Physical Dimensions
4.4 1000 Grain Weight
4.5 Bulk Density
4.6 Shrinkage
4.7 Friction
4.7.1 Angle of Internal Friction and Angle of Repose
4.7.2 Coefficient of Friction
4.8 Specific Heat
4.9 Thermal Conductivity
4.9.1 Theory 4.9.2 Apparatus and Measurement4.10 Latent Heat of Vaporization of Grain Moisture
4.10.1 Determination of Latent Heat of Vaporization of a Grain
4.11 Heat Transfer Coefficient of Grain Bed
4.11.1 Dimensional Analysis
4.11.2 Comparison of Theory and Experiment
4.11.3 Determination of Volumetric Heat Transfer Coefficient
Exercises
References
Further Reading
Chapter 5 Airflow Resistance and Fans
5.1 Airflow Resistance
5.1.1 Non-linear Airflow Analysis
5.2 Fans
5.2.1 Fan Performance
5.2.2 Centrifugal Fan Laws
5.2.3 Fan Selection
5.2.4 Effect of Change in Fan Speed 5.2.5 Effect of Change in Speed and System Resistance5.2.6 Fans in Series and Parallel
5.3 Duct Design for On-Floor Drying and Storage System
Exercises
References
Chapter 6 Thin Layer Drying of Cereal Grains
6.1 Theory
6.2 Thin Layer Drying Equations
6.2.1 Empirical Drying Equations
6.2.2 Theoretical Drying Equations
6.2.3 Semi-Theoretical Drying Equations
6.2.4 Comparison of Thin Layer Drying Equations
6.3 Development of Thin Layer Drying Equations
6.3.1 Drying Rate
6.4 Drying Parameters
6.4.1 Drying Rate Constant and Diffusion Coefficient

✦ Subjects

Grain;Drying;Grain;Storage;TECHNOLOGY & ENGINEERING;Agriculture;Agronomy;Crop Science