Clothing biosensory engineering

Released on = April 21, 2007, 4:00 am

Press Release Author = Bharat Book Bureau

Industry = Marketing

Press Release Summary = Human sensory perception of clothing involves a series of
complex interactive processes, including the physical responses to external stimuli,
the neurophysiological processes for decoding stimuli through the biosensory and
nervous systems inside the body, the neural responses to psychological sensations,
and the psychological processes for formulating preferences and making adaptive
feedback reactions.

Press Release Body =
Clothing biosensory engineering

by Y Li and A S W Wong, Hong Kong Polytechnic University, Hong Kong

Human sensory perception of clothing involves a series of complex interactive
processes, including the physical responses to external stimuli, the
neurophysiological processes for decoding stimuli through the biosensory and nervous
systems inside the body, the neural responses to psychological sensations, and the
psychological processes for formulating preferences and making adaptive feedback
reactions.

Clothing biosensory engineering is a systematic and integrative way of translating
consumers' biological and sensory responses, and psychological feelings and
preferences about clothing, into the perceptual elements of design. It is a link
between scientific experimentation and commercial application to develop economic
solutions to practical technical problems.

Clothing biosensory engineering quantifies the decision-making processes through
which physics, mathematics, neurophysiological and engineering techniques are
applied to optimally convert resources to meet various sensory requirements -
visual/thermal/mechanical. It includes theoretical and experimental observations,
computer simulations, test methods, illustrations and examples of actual product
development.

Contents of Clothing biosensory engineering :

Introduction
Y Li and A S W Wong, Hong Kong Polytechnic University, Hong Kong
Consumer trends. Definition of sensory comfort. Human-clothing-environment system.
Clothing biosensory engineering. References.

Psychology and sensory comfort
Y Li and A S W Wong, Hong Kong Polytechnic University, Hong Kong
Perception of comfort. Psychological research techniques. Comfort sensory
descriptors. Psychophysics. Scales of measurement. Scales to measure direct
responses. Wear trial techniques. Conclusion. References.

Neurophysiology and Sensory comfort
Y Li and A S W Wong, Hong Kong Polytechnic University, Hong Kong
Senses and comfort. Neurophysiological basis of sensory perceptions. Perception of
sensations related to mechanical stimuli. Perception of thermal and moisture
sensations. Perception of texture. Perception of fabric hand. References.

Physiology of sensory comfort
Y Li, Hong Kong Polytechnic University, Hong Kong
Introduction. Thermal comfort. Thermophysiology of the human body. Biomechanics of
the human body. Dynamic thermal interaction between the body and clothing.
References.

Physics of thermal comfort
Y Li, Hong Kong Polytechnic University, Hong Kong
Introduction. Heat and moisture transfer. Dynamic heat and moisture transfer in
fabric. Moisture exchange between fiber and air. Boundary conditions. Physical
properties of fibers and fabrics. Method of solution. Moisture sorption of wool
fabrics. Behavior of fabrics made from different fibers. References.

Thermal and moisture sensations
Y Li, Hong Kong Polytechnic University, Hong Kong, B Z Wang, Guangdong Academy of
Agricultural Sciences, China and J Hu, Hong Kong Polytechnic University, Hong Kong
Introduction. Coolness to the touch. Warmth to the touch. Dampness sensation.
Clamminess and moisture buffering during exercise. Environmental buffering.
References.

Tactile sensation
Y Li and A S W Wong, Hong Kong Polytechnic University, Hong Kong
Introduction. Fabric prickliness. Fabric itchiness. Fabric stiffness. Fabric
softness. Fabric smoothness, roughness and scratchiness. Garment fit and pressure
comfort. References.

Dimensions of sensory comfort perceptions
Y Li and A S W Wong, Hong Kong Polytechnic University, Hong Kong
Individual sensations involved in the perception of sensory comfort. Development of
sensory factors. Thermal-wet comfort. Tactile comfort. Clothing pressure comfort.
References.

Overall comfort perception and preferences
Y Li and A S W Wong, Hong Kong Polytechnic University, Hong Kong
Introduction. Influences of different factors toward overall comfort perception.
Calculation of subjective preference on clothing. Relationship between overall
comfort perception and preference. References.

Prediction of clothing sensory comfort
A S W Wong and Y Li, Hong Kong Polytechnic University, Hong Kong
Introduction. Prediction of fabric hand. Predictability of sensory comfort.
Predictability of subjective preferences. Prediction of sensory factors. Prediction
of clothing sensory comfort on the basis of subjective measurements. Prediction of
clothing sensory comfort on the basis of fabric physical properties. Application of
hybrid models in the prediction of clothing sensory comfort. References.

Thermal functions
J Hu and Y Li, Hong Kong Polytechnic University, Hong Kong
Introduction. Heat production and heat loss. Thermal comfort. Thermal insulation.
Thermal conductivity. Cool/warm feeling. Thermal manikin. Other apparatus for fabric
thermal functional evaluation. References.

Water vapour transfer
J Hu and Y Li, Hong Kong Polytechnic University, Hong Kong
Introduction. Heat and moisture exchange of liquid water with water vapour. Water
vapour. Water vapour transfer with temperature gradient. Comparison of water vapour
transfer with and without temperature gradient. Conclusion. Reference.

Moisture transfer
J Hu and Y Li, Hong Kong Polytechnic University, Hong Kong
Introduction. Absorbency. Wettability. Water proof. Contact angle. Moisture
management. Experimental. References.

Coupled heat and moisture transfer
A S W Wong, Y Li and S Wang, Hong Kong Polytechnic University, Hong Kong
Introduction. Moisture transfer with temperature gradient. Dynamic thermal and
moisture buffering. Results and discussion. Effect of PCM materials. Dynamic thermal
and moisture sensations. References.

Air permeability
J Hu and Y Li, Hong Kong Polytechnic University, Hong Kong
Introduction. Measurement of air permeability. Humidity-dependent air permeability.
References.

Mechanical tactile comfort
J Hu and Y Li, Hong Kong Polytechnic University, Hong Kong
Introduction. Outline of the FSTT measuring system. Experimental. Results and
analysis. Conclusion. References.

In-vivo physiological measurements
J Hu and Y Li, Hong Kong Polytechnic University, Hong Kong
Introduction. Temperature measurements. Humidity measurements. Pressure
measurements. Sweating rate and skin wetness measurements. Skin blood flow
measurements. Oxygen consumption measurements. Heart rate measurements. Conclusion.
References.

Application of clothing biosensory engineering
Y Li and A S W Wong, Hong Kong Polytechnic University, Hong Kong
Introduction. Area of application. Consumer research. New product development.
Consumer subjective evaluation. Test methods and instruments. References.

Thermal sensory engineering design
Y Li, Hong Kong Polytechnic University, Hong Kong and B Z Wang, Guangdong Academy of
Agricultural Sciences, China
Introduction. Thermal sensory engineering design. Thermal sensory engineering design
process and system. Application example. References.

Mechanical sensory engineering design of textile and apparel products
Y Li, Hong Kong Polytechnic University, Hong Kong and Z X Xian University of
Engineering Science and Technology, China
Introduction. Functional requirements of a mechanical sensory engineering design
system. Fundamental work in the development of Mechanical Engineering Design Systems
(MEDS). Structural organization of the system. Examples. Conclusion. Acknowledgment.
References.

Sensory comfort of denim product
Y Li, Z X Xian University of Engineering Science and Technology, China, A S W Wong
and Yilin Kwok, Hong Kong Polytechnic University, Hong Kong
Introduction. Human subjective perception on denim products. Study of sensory
comfort in denim jeans. Conclusions. References.

Sensory comfort of tennis wear
A S W Wong, Y Li and Y Kwok, Hong Kong Polytechnic University, Hong Kong
Introduction. Experimental. Results and findings. Conclusions. References.

Sensory comfort of aerobic wear
A S W Wong and Y Li, Hong Kong Polytechnic University, Hong Kong
Introduction. Experimental. Result. Sensory comfort during exercise. Fabric
properties and comfort performance. Comfort performance of different brands.
Conclusion. References.

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