Papers by Mani Senthilkumar
Non destructive fabric weight measurement using capacitance principle
International Journal of Clothing Science and Technology, 2016
Purpose The purpose of this paper is to design and develop an instrument for non-destructive fabr... more Purpose The purpose of this paper is to design and develop an instrument for non-destructive fabric grams per square metre (GSM) measurement. This study uses the capacitance principle to obtain the fabric GSM. The relative permittivity of the sample fabrics changes the capacitance value. A relationship between capacitance and GSM that best fits the look-up table is obtained. Also, the developed system is applicable for all kind of fabrics both knitted and woven fabrics. The comparison study was carried out with existing test method. Design/methodology/approach The purpose of the study is to design and develop an instrument for non-destructive fabric GSM measurement. Findings The proposed non-destructive method of fabric GSM measurement using capacitance principle is designed, developed and tested. Also, the developed system is applicable for all kind of fabrics both knitted and woven fabrics. The comparison study was carried out with existing test method. Research limitations/implic...
Moisture Management in an Active Sportswear: Techniques and Evaluation—A Review Article
Journal of The Institution of Engineers (India): Series E, 2012
ABSTRACT Moisture management property is an important aspect of any fabric meant for active sport... more ABSTRACT Moisture management property is an important aspect of any fabric meant for active sportswear, which decides the comfort level of that fabric. Every human being sweats during different kinds of activities. An important feature of any fabric is how it transports this water out of the body, so as to make the wearer feel comfortable. This paper reports the concept of moisture management, various production techniques and evaluation of the moisture management characteristics on fabrics for active sportswear.
Effect of filament fineness on comfort characteristics of moisture management finished polyester knitted fabrics
Journal of Industrial Textiles, 2011
Abstract Clothing comfort is an important aspect for any garment used for sportswear and leisurew... more Abstract Clothing comfort is an important aspect for any garment used for sportswear and leisurewear. Every human being sweats during different kinds of activities. An important feature of any fabric is how it transports this water out of the body surface so as to make the ...
Effect of Moisture management finish on comfort characteristics of microdenier polyester knitted fabrics
Moisture management can be defined as the controlled movement of water vapor and liquid water (pe... more Moisture management can be defined as the controlled movement of water vapor and liquid water (perspiration) from the surface of the skin to the atmosphere through the fabric. Wetting, wicking, and moisture vapor transmission (MVT) properties are the critical aspects for evaluating the comfort performance of textiles. In this study, the effect of stitch length and knit structure on comfort characteristics of moisture management finished knitted fabric that includes wicking, wetting, water absorbency, MVT, and air permeability have been analyzed.
Dynamics of elastic knitted fabrics for sports wear
The garment stretch and recovery characteristics due to body movements can be indirectly assessed... more The garment stretch and recovery characteristics due to body movements can be indirectly assessed by the dynamic elastic recovery (DER) value of the fabrics at different extension levels. In order to study DER of elastic fabrics, a comparative analysis was made between spandex-plated cotton fabric and spandex core cotton spun (SCCS) fabric. It was found that the spandex-plated cotton fabric has higher DER value than that of SCCS fabric. The results of this study show that this phenomenon is due to the residual energy of the elastane unraveled from these fabrics. The stress values of these fabrics have no significant effect at 95% confidence level. It is concluded that the spandex-plated cotton fabric is suitable than SCCS fabric, for the tight fit garments meant for the sports like Javelin, shot-put, and athletics.
Analysis of thermal comfort characteristics of moisture management finished knitted fabrics made from different yarns
In recent years, the studies of thermal characteristics have gained importance since it is direct... more In recent years, the studies of thermal characteristics have gained importance since it is directly related to clothing comfort. One of the ways of achieving clothing comfort is through moisture management of textiles. Moisture management refers to the controlled movement of water vapor and perspiration from the surface of the skin to the atmosphere through the fabric. The aim of this research is to study the thermal comfort characteristics of selected knitted fabrics by analyzing the thermal behavior of moisture management finished (MMF) fabrics, in order to find the suitability of the product for different climatic conditions. The knitted fabrics made from yarns of micro-denier polyester filament, spun polyester, polyester/cotton, filament polyester, and 100% cotton were used for the study. Thermal characteristics such as thermal conductivity, thermal resistance, thermal absorptivity, relative water vapor permeability, and water vapor resistance were analyzed for the MMF fabrics. The test results indicated that the knitted fabrics produced from different nature of yarns have greater influence on thermal characteristics, when they were converted into fabrics. The MMF treatment have significant effect on thermal behavior of micro-denier polyester knitted fabrics with respect to thermal conductivity, thermal absorptivity, water vapor permeability, and water vapor resistance. Among the five fabrics, it was observed that micro-denier polyester fabrics gives faster heat transfer, quicker evaporation of sweat from the skin through the fabric, and also cooler feeling at initial touch.
Comparison of different methods to measure the transverse wicking behaviour of fabrics
Journal of Industrial Textiles, 2012
In this article, three test methods are described to measure the water spreading behaviour of tex... more In this article, three test methods are described to measure the water spreading behaviour of textiles such as rate of absorbency and total absorbent capacity. The methods described are manual method, commercial image analysis method using Photoshop and embedded image analysis method using digital signal processor through MATLAB software (EIAS). With these methods the rate of absorbency and total water absorbent capacity were analysed in 12 different knitted/woven fabrics. In order to compare the three test methods, the correlation among the methods were analysed. A very good correlation (more than 0.9) was found between the manual water spreading tests and commercial image analysis method using Photoshop when compared to manual versus EIAS method. Also Photoshop versus EIAS method correlation was found better than manual versus EIAS method.
A dynamic sweat transfer tester for analyzing transverse sweat transfer properties of multi-weave structure fabrics
Journal of Industrial Textiles, 2013
The dynamic sweat transfer tester for analyzing the sweat transfer behavior of multi-weave struct... more The dynamic sweat transfer tester for analyzing the sweat transfer behavior of multi-weave structure fabrics (single fabric contains different weave structures) has been designed and developed. This instrument has been developed to evaluate the sweat transfer rate in 16 different directions and 48 different regions for a test specimen of 7 cm diameter. The concept of the sweat measurement is to measure the sweat transport time required to reach the unit area of the fabric. The instrument works under the principle of electrical conductivity, that is, wetted cotton fabric acts as an electrical conductor between the power connected (5 V) copper pins and ground connected copper pins. The unique feature of this instrument is that the sweat transfer rate can be measured in fabrics which have irregular spreading behavior (single fabric that has different weave structures) at one step. Twelve different woven fabrics have been analyzed for the sweat transfer behavior using the instrument, an...
FIBRES & TEXTILES in …, 2012
In this paper, a pressure sensing device for analysing pressure comfort on elastic garments was d... more In this paper, a pressure sensing device for analysing pressure comfort on elastic garments was designed and developed. The device was calibrated and tested on different compression garments for its reliability. This pressure comfort measurement device is used to measure the pressure between the human body and garments. The fabric resistance due to each and every body movement is noted to evaluate the effect of fabric compression on body muscles in order to assess the pressure comfort for sports persons. The new device proved that elastic garments certainly improve stamina and speed through its quick recovery and lower stress with higher elongation. There is a good correlation found between the pressure values given by the new sensing device and the Instron tester.
Journal of the Textile Institute, 2013
Effect of Plasma Treatment on Air and Water-Vapor Permeability of Bamboo Knitted Fabric
International Journal of Thermophysics, 2013
ABSTRACT In this paper, the effects of oxygen and atmospheric plasma on air and water-vapor perme... more ABSTRACT In this paper, the effects of oxygen and atmospheric plasma on air and water-vapor permeability properties of single jersey bamboo fabric have been investigated. The changes in these properties are believed to be related closely to the inter-fiber and inter-yarn friction force induced by the plasma treatments. The outcomes showed that the water-vapor permeability increased, although the air permeability decreased along with the plasma treatments. The SEM images clearly showed that the plasma modified the fiber surface outwardly. The results showed that the atmospheric plasma has an etching effect and increases the functionality of a bamboo surface, which is evident from SEM and FTIR–ATR analysis. These results reveal that atmospheric pressure plasma treatment is an effective method to improve the performance of bamboo fabric. Statistical analysis also indicates that the results are significant for air permeability and water-vapor permeability of the plasma-treated bamboo fabric.
Journal of Textile and Apparel Technology and Management, Oct 19, 2012
Analysis of dynamic elastic behavior is an objective evaluation of the stretch and recovery behav... more Analysis of dynamic elastic behavior is an objective evaluation of the stretch and recovery behavior of the elastic fabrics or tight fit garments. The analysis of this dynamics will help to reengineer new products for improving the stamina, speed and power of the sportsmen, as one particular type of garment doesn't serve the purpose of all kinds of sports events. The study is to analyze the effect of spandex input tension, spandex linear density and cotton yarn loop length on dynamic work recovery of cotton / spandex single jersey knitted fabric. The effect of different processing stages such as relaxation, heat setting, bleaching and compacting on dynamic work recovery of cotton / spandex single jersey knitted fabric has also been analyzed in this study. Effect of different stages of processing on DWR of the fabric has significant influence. The effect of spandex input tension and cotton yarn loop length on DWR of the fabric have been significant in any one direction. The effect of spandex linear density on DWR of the fabric has been significant at both wale and course directions.
Uploads
Papers by Mani Senthilkumar