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Book review: Book review

The transport of heat, sweat and water vapor through textiles is important for comfort of an apparel fabric. In the case of protective fabrics these properties become vital because these fabrics are expected to protect human beings functioning in extreme environments. If these garments are not comfortable, they will not be worn, and therefore, the people whom they were supposed protect will be at risk. Typical examples are fabrics used in protecting soldiers and firemen with life and death consequences. Apart from apparel-related applications, textiles are used in industrial processes, home furnishings and as geotextiles. In all of these applications the transport of heat and moisture becomes important. The volume, Thermal and Moisture Transport in Fibrous Materials, deals comprehensively with all aspects of heat and moisture transport. Commonsense tells us that the transport of heat and moisture through textiles is controlled by the basic material properties such as thermal conductivity and hydrophilicity of the fiber polymer, and the porosity of the fabric. Using detailed science and mathematical modeling this volume elucidates the design features necessary for a comfortable fabric and explains the relevant mechanisms that operate in establishing different transport phenomena. The book is conveniently divided into three parts. The first part deals with the geometrical aspects of a porous fibrous structure, which is important in transporting liquid water and water vapor. This applies to both fabrics as well as personal absorbent products. There is a complete chapter on psychrometry and moisture sorption phenomena as they relate to transport of water vapor. The chapter on wettability and interactions of liquids with fibrous materials is also important as it deals with the transport of liquids in textiles by wicking. The second part of the book deals with aspects of comfort. There are four chapters on heat and mass transport based on mathematical modeling and molecular dynamics. The use of phase change materials and the mechanism of their function in controlling microclimate in a textile fabric is discussed in two chapters. The transport of heat and moisture in a garment depends on the interaction between the body and the fabric. The fabric forms a microclimate between the body and the outer environment. The third part of the book deals with the complex phenomena that control the microclimate and its relevance to comfort. There is a complete chapter on computational modeling of clothing performance with reference to protection of soldiers. A unique feature of this book is the last chapter on the role of human skin in thermoregulation of the human body. Human skin can be considered as a porous material formed from cells rather than fibers. This chapter discusses the aspects of conduction, convection and moisture exchange at the skin surface in maintaining the temperature of different parts of the human body. The contents of this volume will be very useful for textile scientists and engineers engaged in research in the field of fabric comfort and in the development of protective fabrics for specific environments. The book can also be used as a reference book by graduate students in textile science and engineering – some knowledge of advanced mathematics would be helpful. Another special feature of the book is the contributor contact information. This will certainly help the reader in clarifying the complicated issues discussed in the book.