Textiles and Human Thermophysiological Comfort in the Indoor Environment: 1st Edition (Hardback) book cover

Textiles and Human Thermophysiological Comfort in the Indoor Environment

1st Edition

By Radostina A. Angelova

CRC Press

328 pages | 180 B/W Illus.

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Description

Textiles and Human Thermophysiological Comfort in the Indoor Environment delivers a methodical assessment of textile structures for various applications in the indoor environment with respect to the thermophysiological comfort of the inhabitants. The book begins by offering an overview of the role of indoor textiles and clothing as a barrier between the environment and the human body, and then:

  • Explores the use of textiles as an insulation barrier, examining the relationships between textiles and the environment, and textiles and the human body
  • Details an experimental study of heat and mass transfer processes through woven textiles with different applications in the indoor environment
  • Describes a numerical investigation of the transport of air and heat through woven fabrics by means of computational fluid dynamics (CFD)
  • Develops, applies, and verifies an original approach for simulating the woven macrostructure as a jet system, presenting proven results
  • Evaluates thermophysiological comfort under the influence of indoor environmental parameters, clothing insulation, and activity

Textiles and Human Thermophysiological Comfort in the Indoor Environment provides a valuable reference for students and researchers working in the area of clothing comfort.

Reviews

"… a very comprehensive textbook that covers the interactions between humans, clothing, and the environment. The fundamentals of heat transfer modes, roles of textile mesostructures and macrostructures on heat transfer and air permeability, and modeling methodologies are covered in adequate depth. … an excellent source of knowledge for students and researchers working in the area of clothing comfort."

—Dr. Abhijit Majumdar, Associate Professor, Department of Textile Technology, Indian Institute of Technology, Delhi

"… a very good systematic study about all the topics related to thermophysiological comfort in the indoor environment. … gives the fundamentals and enough experimental data, which can be used directly by researchers and students, as well as enough methods for numerical and experimental investigations for optimizing textiles."

—Dr. Yordan Kyosev, Professor, Hochschule Niederrhein – University of Applied Sciences, Mönchengladbach, Germany

Table of Contents

INTERACTION OF TEXTILES AND CLOTHING WITH THE ENVIRONMENT AND MAN

Human Comfort: Thermophysiological Comfort

Role of Textiles and Clothing

Human Comfort

Physiological and Thermophysiological Comfort

Summary

Textiles and Clothing in the Indoor Environment

Interaction between the Human Body and the Indoor Environment

Textiles in the Indoor Environment

Summary

Thermal Insulation Properties of Textiles and Clothing

Hierarchical Structure of Textiles

Heat Transfer Through a Textile Layer

Transfer of Fluid Through a Textile Layer

Thermal Insulation of Textiles and Clothing

Factors that Influence the Thermal Insulation of the Textiles

Methods for Determination of Thermal Insulation Properties of Textiles

Thermophysiological Comfort and Special Textile Materials and Garments

Summary

Interaction between Textiles and Clothing and the Human Body

Regulation of Body Heat

Mechanisms of Heat Losses and Heat Generation of the Human Body

Impact of the Textiles in the Indoor Environment on the Human Body

Summary

EXPERIMENTAL STUDY OF WOVEN TEXTILES USED IN THE INDOOR ENVIRONMENT

General Considerations and Methodology of the Experimental Study

Aims and Scope of the Experimental Study

General Description of the Study

Calculation of the Relative Error

Summary

Experimental Investigation of the Mesostructure

State of the Art of the Problem

Impact of the Mesostructure on the Transfer of Heat and Fluids

Properties of the Yarns

Manufacturing of Identical Woven Structures from Different Yarns

Analysis of the Effect of the Mesostructure on the Air Permeability of the Macrostructure

Analysis of the Effect of the Mesostructure on the Heat Transfer Through the Macrostructure

Analysis of the Effect of the Mesostructure on the Moisture Transfer Through the Macrostructure

Summary

Experimental Investigation of the Macrostructure of Textiles for Clothing and Bedding

Introduction

Properties of the Macrostructures

Experimental Assessment of the Porosity

Experimental Assessment of the Air Permeability

Experimental Assessment of the Conductive Heat Transfer

Experimental Assessment of the Moisture Transport

Summary

Experimental Investigation of the Macrostructure of Textiles for Surgical Clothes and Medical Drapes

Introduction

Thermophysiological Comfort in an Operating Room

Properties of Single Woven Structures for Surgical Clothes and Drapes

Experimental Assessment of the Air Permeability of a Single Layer

Experimental Assessment of the Air Permeability of Multilayer Systems

Theoretical Models for the Air Permeability of Systems of Layers

Experimental Assessment of the Moisture Transport

Summary

Experimental Investigation of the Macrostructure of Upholstery Textiles

State of the Art of the Problem

Experimental Assessment of the Air Permeability

Experimental Assessment of the Heat Transfer

Summary

Experimental Investigation of the Macrostructure of Textiles for Packing

State of the Art of the Problem

Properties of the Macrostructures

Experimental Assessment of the Porosity

Experimental Assessment of the Air Permeability of a Single Layer

Experimental Assessment of the Air Permeability of Double-Layered Systems

Theoretical Assessment of the Air Permeability of Double-Layered Systems

Summary

Experimental Investigation of Textile Macrostructures in the Indoor Environment

Introduction

Materials in Contact with the Air in the Indoor Environment

Distribution of the Moisture Buffering Materials in Real Enclosures: Offices and Hotel Rooms

Interaction of Textiles with Water Vapor Indoors

Sorption Isotherms

Summary

MATHEMATICAL MODELING AND NUMERICAL STUDY OF THE PROPERTIES OF WOVEN STRUCTURES WITH RESPECT TO THE THERMOPHYSIOLOGICAL COMFORT

Mathematical Modeling and Numerical Simulation of the Air Permeability and Heat Transfer Through Woven Macrostructures: State of the Art

Introduction

Air Permeability Modeling

Heat Transfer Modeling

Summary

Simulation of the Air Permeability by Using Hagen–Poiseuille Law

Applicability of the Hagen–Poiseuille Law

Mathematical Model for Calculation of the Air Permeability

Theoretical Results

Verification of the Model

Numerical Simulation of the Air Permeability of Textiles for Clothing and Bedding

Summary

Mathematical Modeling and Numerical Simulation of the Air Permeability of Woven Structures by CFD

Methods for Modeling of Fluid Flows

Mathematical Model

Turbulence Modeling

Theoretical Background of the Modeling of the Woven Macrostructure

Numerical Procedure for the Parametric Study

Numerical Results from the Parametric Study

Numerical Procedure for the Model Study

Numerical Results from the Model Study

Summary

Mathematical Modeling and Numerical Simulation of the Heat Transfer Through Woven Structures by CFD

Mathematical Model

Numerical Procedure for the Study

Numerical Results

Summary

MATHEMATICAL MODELING AND NUMERICAL STUDY OF THE THERMOPHYSIOLOGICAL COMFORT WITH A THERMOPHYSIOLOGICAL MODEL OF THE HUMAN BODY

Thermoregulation of a Clothed Body: Physiological Peculiarities

Thermophysiological Control of the Human Body

Thermophysiological Models

Gagge’s Thermophysiological Model

Implementation of the Model in FLUENT CFD Software Package

Summary

Numerical Study of the Thermophysiological Comfort of a Clothed Body

Specifics of the Study

Mathematical Model

Procedure of the Study

Summary

Results from the Numerical Study on the Thermophysiological Comfort of a Clothed Body

Influence of the Environmental Parameters

Influence of the Clothing Insulation

Influence of the Activity

Application Analyses of the Numerical Results

Summary

About the Author

Radostina A. Angelova holds an M.Sc in textiles and clothing (1994), a Ph.D in technology of textile materials (2001), and a D.Sc in technology of textile materials (2015). She is currently an associated professor in the Department of Textiles and an associate researcher in the Centre for Research and Design in Human Comfort, Energy, and Environment (CERDECEN) at the Technical University of Sofia, Bulgaria. Dr. Angelova lectures on spinning technologies and machines, weaving technologies and machines, and the design of yarns and fabrics. She has authored five books and more than 100 papers.

Subject Categories

BISAC Subject Codes/Headings:
TEC017000
TECHNOLOGY & ENGINEERING / Industrial Health & Safety
TEC021000
TECHNOLOGY & ENGINEERING / Material Science