The Physics of Carpets

Carnaby, G. A.; Wood, E

doi:10.1080/00405008908659186

Cited by 36 publications

(15 citation statements)

References 10 publications

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“…Here, we concluded that pile height and knot density and even the interaction between them, among the structural characteristics of carpets had a decisive contribution on the functional compression properties. It is known that the dynamic response of surface pile yarns under loading pressure is a function of these two characteristics [3,9]. Fineness of wool fibers used to preparation of pile yarn has shown the highest relative effective contribution in y 4 model, thickness loss after recovery.…”

Section: Polynomial Regression Modelingmentioning

confidence: 99%

“…press is the sum of the squared residuals defined as: (8) Furthermore, press statistic can be used for calculating an R 2 -like statistic for prediction by the following equation: (9) where, . Generally, the amount of press considered as a scale of how well a regression model will perform in predicting the new data [21].…”

Section: Statistical Analysesmentioning

confidence: 99%

“…Several theoretical models are presented by few researchers to realize and describe this context which the last one has been based on elastic-stored energy to evaluate the compression behavior of cut-pile carpet [12]. Other dynamic-compression properties of pile materials are characterized by several unique features including compressive modulus in stress-strain compression curve, compressive and recovery energy and energy absorption or hysteresis effect, that were also studied [8,9,13,14].…”

Section: Introductionmentioning

confidence: 99%

“…Over the past decades, several studies have investigated compression behavior of surface piles under loading in which the first focus was on resilience or recovery of pile after elimination of the load and also compressibility and thickness loss [4,[9][10][11]. Several theoretical models are presented by few researchers to realize and describe this context which the last one has been based on elastic-stored energy to evaluate the compression behavior of cut-pile carpet [12].…”

Section: Introductionmentioning

confidence: 99%

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Modeling the functional compression properties of hand-knotted carpets using factorial design and response surface methodology

et al. 2014

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The most performance quality of cut-pile carpets is related to mechanical behavior of surface piles under compression loading in use. In this study, main purpose was to achieve the predictive models of the functional compression properties of carpet including work of compression (WC), compressional resilience (RC), linearity of compression-thickness curve (LC), and thickness loss (TL) after recovery on hand-knotted carpets with symmetric (Turkish) knot. Eighteen handknotted carpet samples with different structural specifications were produced. Meanwhile, compression properties were investigated in new and worn out carpet samples by a Hexapod tumbler tester in 4000 and 12000 revolutions. Factorial experimental design and response surface method were applied for modeling of each compression properties. To optimize the initial models the Box-Cox transformation was used. In the final models, contribution of different variables was also determined. The models showed a desirable fit and high adjusted R 2 values were observed. The ANOVA test showed that the obtained models are valid at 5 % level significant.

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Section: Polynomial Regression Modelingmentioning

confidence: 99%

Section: Statistical Analysesmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Modeling the functional compression properties of hand-knotted carpets using factorial design and response surface methodology

et al. 2014

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“…Several researches have been carried out on compression behavior of the carpets (Carnaby, 1981;Carnaby & Wood, 1989;Dayiary, Shaikhzadeh Najar, & Shamsi, 2009, 2010El-Sheikh & Hersh, 1970;Grover, Zhu, & Twilley, 1993;Kimura & Kawabata, 1971; Kimura, Kawabata, & Kawai, 1970;Koc, Celik, & Tekin, 2005;Onder & Berkalp, 2001;Vangheluwe & Kiekens, 1997).…”

Section: Introductionmentioning

confidence: 99%

Study on compressional energy contribution into total energy of pile deformation in cut-pile carpet

Dayiary

2014

The Journal of The Textile Institute

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Compression behavior is one of the most important properties of the carpets. In this study, a new theoretical model has been presented in which total energy of pile deformation in cut-pile carpet including bending energy of pile deformation, frictional loose energy due to sliding pile yarns, and compressional energy due to piles jamming at the end of pile deformation process has been calculated. Then, derived equations have been solved by computer software and calculated theoretical values have been compared with experiment. Results show that compressional energy has no remarkable contribution into total energy of pile deformation. Also, difference between theoretical results and experiment is not large, and presented theory can well predict compression behavior of the cut-pile carpet. Meanwhile, new proposed model could not improve previous presented theory.

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Performance of Hand Tufted Woollen Carpets

Gupta¹,

Dasgupta²

2021

J. Inst. Eng. India Ser. E

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The Physics of Carpets

Cited by 36 publications

References 10 publications

Modeling the functional compression properties of hand-knotted carpets using factorial design and response surface methodology

Modeling the functional compression properties of hand-knotted carpets using factorial design and response surface methodology

Study on compressional energy contribution into total energy of pile deformation in cut-pile carpet

Performance of Hand Tufted Woollen Carpets

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