Sprays : types, technology and modeling / Maria C. Vella, editor.

Format:

Book

Contributor:

Vella, Maria C.

Series:

Materials science and technologies series.

Engineering tools, techniques and tables.

Materials science and technologies

Engineering tools, techniques and tables

Language:

English

Subjects (All):

Spraying.

Physical Description:

1 online resource (358 p.)

Edition:

1st ed.

Place of Publication:

New York : Nova Science Publishers, c2011.

Language Note:

English

Summary:

In this book, the authors gather and present topical research in the study of the types, technology and modeling of sprays. Topics discussed include charged-spray technologies and their application in technology; spray drying to produce dried foods and vegetables; spray drying in the ceramic industry; atmospheric plasma spray; liquid flow structure in pressure swirl sprays and modeling a water-urea spray including mass and heat transfer.

Contents:

Intro

SPRAYS: TYPES, TECHNOLOGY AND MODELING

Contents

Preface

Charged Sprays Generation and Application

1. Introduction

2. Charged Spray Characterization

3. Charged Spray Generation

3.1. Charging by Electron or Ionic Beam

3.2. Charging by Ionic Current

3.2.1. DC-Corona Chargers

3.2.2. AC-Electric Field Chargers

3.3. Induction Charging

3.3.1. Pneumatic Atomizers

3.4.2. Pressure Atomizers

3.3.3. Pressure-Swirl Atomizers

3.3.4. Rotary Atomizers

3.4. Conduction Charging

3.5. Electrospraying

4. Charged Sprays Application

4.1. Surface Coating and Spray Forming

4.2. Thin Solid Film Deposition

4.3. Fine Particles Production

4.4. Fuel Combustion

4.5. Colloid Thrusters for Space-Vehicle Propulsion

4.6. Charged Sprays in Agriculture

4.8. Electroscrubbing for Gas Cleaning

References

Applications of SprayDryer to Production of Bioactive Compound-Rich Powders from Plant Food Materials: An Overview

Abstract

Introduction

Most Common Encapsulating Agents Used during Spray Drying

Maltodextrins

Gum Arabic

Chitosan

Starch

Inulin

Proteins

Ascorbic Acid

Most Common Bioactive Compounds from Fruits, Vegetables, and Herbs

Anthocyanins

Carotenoids

Flavonoids

Vitamin C

Betalains

Bixin

Phenolic Compounds

Influence of Encapsulating Agents on Bioactive Compounds in Fruits, Vegetables, and Herbs during Spray Drying

Cactus Pear (Opuntia Ficus-Indica and Opuntia Streptacantha)

Acai (Euterpe Oleraceae Mart.)

Guava (Psidium Guajava L.)

Watermelon (Citruluslanatus)

Pomegranate (Punica Granatum)

Corozo (Bactris Guineensis)

Acerola (Malpighia Punicifolia L)

Gac (Momordica Cochinchinensis)

Camu-Camu (Myrciaria Dubia)

Cashew Apple (Anacardium Occidentale).

Annatto (Bixa Orellana L.)

Grape Seed (Vitis Vinifera L.)

Olive (Olea Europaea)

Sweet Potato (Ipomoea Batatas)

Carrot (Daucuscarota L.)

Amaranthus (Amaranthus Cruentus)

Beet Root (Beta Vulgaris)

Soybean (Glycine Max)

Tomato (Lycopesicon Esculentum Mill)

Pepper (Capsicum Annuum)

Rosa Mosqueta Oleoresin (Rosa Rubiginosa)

Quercus Resinosa (Pinus Strobus)

Mengkudu (Morinda Citrifolia)

Pandan Leaf (Pandanus Amaryllifolius)

Yerba Mate (Llex Paraguariensis)

Ginger (Zingiber Officinale Roscoe)

Turmeric (Curcuma Longa)

Conclusion

Drop Formation of Pressure Atomizers in a Low Pressure Environment

Nomenclature

Greek Symbols

Subscripts/Superscripts

Concept

Drop Formation Theory

Drop Shape

Atomization Mechanism

Spray Characteristics

Drop Characteristics

Experiment

Experimental Test Rig

Experimental Procedure

Uncertainty Analysis

Results and Discussion

Drop Size

Drop Velocity

Spray Angle

Drop Distribution Factor

Drop Shape Chart

Conclusions

Spray Drying: The Synthesis of Advanced Ceramics

2. Spray Drying Equipment Description

3. Overview of Some Ceramic Systems Synthesized by Spray Drying

3.1. Macroporous Cu-Mg-Al Mixed Oxides

3.2. Lead-Free Ferroelectric Ceramics

3.3. Yttrium Aluminum Garnet (YAG)

3.4. α-Alumina ((-Al2O3)

4. Experimental

4.1. Cu-Mg-Al Mixed Oxides

4.1.1. Synthesis of Latex Template

4.1.2. Preparation of Macroporous Spray Dried Powders

a) LDHs Precursors Preparation

b) Macroporous Mixed Oxides Preparation

4.1.3. Powders Characterization

4.2. Lead-Free Ferroelectric Ceramics

4.2.1. The Powders Synthesis

4.2.2. Characterization of Synthesized Powders.

4.3. Synthesis and Characterization of Yttrium Aluminum Garnet (YAG) Powders

4.4. Synthesis and Characterization of α-Alumina Powders by Metal-Organic Precursor

5. Review of Most Prominent Results of the Investigated Ceramics

5.1. Cu-Mg-Al Mixed Oxides

5.2. Lead-Free Ferroelectric Ceramics

5.3. Yttrium Aluminum Garnet (YAG) Powders

5.3. α-Alumina Powders by Metal-Organic Precursor

Control of Atmospheric Plasma Spray Process: How to Correlate Coating Properties with Process Parameters?

2. Principle of Atmospheric Plasma Spray

3. Process Parameters

3.1. Feedstock Material Parameters

3.2. Powder Injection Parameters

3.3. Kinematics Parameters

3.4. Parameters Relative to the Coating-Substrate Interaction

3.5. Environmental Parameters

3.6. Energetic Parameters

4. Arc Root Fluctuations and Instabilities

5. Electrode Erosions

6. On-Line Process Control

6.1. Measurement Apparatus

6.2. New Process Control Concept

7. OUTLINE

Liquid Flow Structure in Pressure Swirl Sprays: Study of Droplet Collision Phenomena

Experimental Facility

Study and Analysis Method

Spray Formation and Atomization Quality

Analysis of the Spray Structure

Analysis of Droplet Collision Phenomena

Modeling Aspects of the Injection of Urea-Spray for NOx Abatement for Heavy Duty Diesel Engines

Variables - Latin Letters

Variables - Greek Letters

Superscripts and Subscripts

Dimensionless Numbers

1.1. Decomposition of Urea

1.2. By-Product Formation

1.3. Wall Effects

2. Modeling

2.1. System Description

2.2. Eulerian-Lagrangian Spray Modeling

2.2.1. The Exhaust Gas Flow Field.

2.2.2. The Droplet Equation of Motion

2.2.3. The Aerodynamic Force

2.2.4. Other Forces

2.2.5. Final Equation of Motion for the Droplet

2.3. Sub-Models to the Droplet Equation of Motion

2.3.1. The Droplet Drag Coefficient

2.3.2. Turbulent Dispersion

2.4. UWS Evaporation

3. Results and Discussion

3.1. Simulation Conditions

3.2. Spray Uniformity Results

3.3. Decomposition Efficiencies

4. Conclusions

Processing and Particle Characterization of Nanopowders by Spray Pyrolysis Route

2. Spray Pyrolysis

2.1. Ultrasonic Spray Pyrolysis

2.2. Two-Fluid Type Spray Pyrolysis

2.3. Plasma Assisted Spray Pyrolysis

2.4. Flame Type Spray Pyrolysis

3. Preparation and Characterization of Oxide and Metal Powders by Ultrasonic Spray Pyrolysis

3.1. Metal Powders for LTCC

3.2. Oxide Powders

3.2.1. BaTiO3 Powders for Dielectric Ceramics

3.2.2. LiMn2O4 Powders for Lithium Ion Battery

4. Preparation of Oxide Nanopowders by Plasma-Assisted Spray Pyrolysis

5. Preparation and Characterization of LiFePO4 Cathode Powders by Two-Fluid Type Spray Pyrolysis

6. Mass Production and Characterization of Cathode Powders by Flame Type Spray Pyrolysis

7. Summary

Thickness Evolution in Spray Pyrolytically Deposited Fluorine Doped Tin Dioxide Films

2. Experimental Procedure

3.1.1. Orientational Properties of Set A Films

3.1.2. Orientational Properties of Set B Films

3.1.3. Orientational Properties of Set C Films

3.2. Morphological Features

3.3. Electrical Properties of Set A, Set B and Set C Films

Flamelet Equations for Spray Combustion

Index.

Notes:

Description based upon print version of record.

Includes bibliographical references and index.

Description based on print version record and CIP data provided by publisher.

ISBN:

1-62257-034-0

OCLC:

839305023