Mathematical models for water vapour resistance prediction of printed garments

Stančić, Mladen; Kašiković, Nemanja; Grujić, Dragana; Novaković, Dragoljub; Milošević, Rastko; Ružičić, Branka; Geršak, Jelka

doi:10.1111/cote.12328

Cited by 3 publications

(2 citation statements)

References 15 publications

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“…The faster the approach speed between the sensor and temperature source, the larger RH output generated (artefact: Figure 6 and Figure 8), probably as a result of the rather instantaneous presentation of skin surface water vapour and the more delayed transmission of skin associated temperature changes (Figure 7). The human body is a complicated thermoregulatory system that keeps core body temperature at approximately 37 °C through various mechanisms, including sweat evaporation [26]. In addition, choice of clothing material can be used to either enhance or hinder both heat and water vapour transfer out from the body, and thus by extension, will affect transfer to and from any surface the skin comes into contact with [27] and should be carefully considered for any experimental assessment of this interface, along with the surface RH characteristics [13,16].…”

Section: Discussionmentioning

confidence: 99%

In-Depth Investigation into the Transient Humidity Response at the Body-Seat Interface on Initial Contact Using a Dual Temperature and Humidity Sensor

Liu

et al. 2019

Sensors

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Relative humidity (RH) at the body-seat interface is considered an important factor in both sitting comfort and generation of health concerns such as skin lesions. Technical difficulties appear to have limited research aimed at the detailed and simultaneous exploration of RH and temperature changes at the body-seat interface; using RH sensors without the capability to record temperature where RH is recorded. To explore the causes of a spike in RH consistently produced on first contact between body and seat surface, we report data from the first use of dual temperature and RH (HTU21D) sensors in this interface. Following evaluation of sensor performance, the effect of local thermal changes on RH was investigated. The expected strong negative correlation between temperature and RH (R2 = −0.94) supported the importance of considering both parameters when studying impact of sitting on skin health. The influence of sensor movement speed (higher velocity approach: 0.32 cm/s ± 0.01 cm/s; lower velocity approach: 0.17 cm/s ± 0.01 cm/s) into a static RH region associated with a higher local temperature were compared with data gathered by altering the rate of a person sitting. In all cases, the faster sitting down (or equivalent) generated larger RH outcomes: e.g., in human sitting 53.7% ± 3.3% RH (left mid-thigh), 56.4% ± 5.1% RH (right mid-thigh) and 53.2% ± 2.7% RH (Coccyx). Differences in size of RH change were seen across the measurement locations used to study the body-seat interface. The initial sitting contact induces a transient RH response (duration ≤ 40 s) that does not accurately reflect the microenvironment at the body-seat interface. It is likely that any movement during sitting would result in similar artefact formation. As a result, caution should be taken when investigating RH performance at any enclosed interface when the surfaces may have different temperatures and movement may occur.

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Section: Discussionmentioning

confidence: 99%

In-Depth Investigation into the Transient Humidity Response at the Body-Seat Interface on Initial Contact Using a Dual Temperature and Humidity Sensor

Liu

et al. 2019

Sensors

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“…an additional barrier in heat transfer from the body surface into the environment. It has been proven that the parameters of the printing process affect the values of water vapor resistance of printed textile materials (Stančić et al. , 2018).…”

Section: Introductionmentioning

confidence: 99%

The influence of inkjet print parameters on warm/cool feeling and air permeability of printed textile substrates

Stančić

Grujić²,

Kašiković³

et al. 2022

IJCST

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PurposeThe research aims to examine the varying influence of printed inkjet ink on the warm/cool feeling and air permeability of printed textile materials and thus on the thermal properties of printed garments.Design/methodology/approachThe influence of different number of printing pass and different tone value (TV) coverage was examined. The tested samples were printed with water-based pigment inkjet inks with 10, 50 and 100% TVs with one, three and five printing passes. The tested samples were subjected to thermal characteristics testing by measuring the warm/cool feeling and air permeability before and after printing.FindingsThe research results showed that there is an increase in the value of the warm/cool feeling by increasing the amount of applied ink on the textile material, which occurs by increasing the TVs and the number of printing pass. At the same time values of air permeability decrease by increasing the number of printing pass, as well as by increasing TVs.Originality/valueBased on the results, mathematical models of the dependence of the warm/cool feeling value of printed textile materials on the air permeability and parameters of digital inkjet printing were created. These models are important in clothing design because they show in advance the values of the warm/cool feeling of the clothes being designed and thus enable the design of clothes for different purposes with optimal esthetic and thermal properties.

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Optimisation of the Sublimation Textile Printing Process Using the Taguchi Method

Kumar¹,

Senthilkumar

2021

FIBRES & TEXTILES in Eastern Europe

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In this paper, printing parameters for the sublimation printing of polyester fabrics like the number of strokes, the sublimation paper weight in grams per square metre, the fusing temperature and time were optimised using the Tauguchi experimental design technique. In the evaluations the signal-to-noise ratio was used. Sixteen experiments were performed with respect to the L 16 Orthogonal array design for the Tauguchi approach. The results show a considerable improvement in the signal-to-noise ratio as compared to the initial conditions. Through this study, not only can optimum printing conditions for sublimation printed polyester fabrics be obtained but also the significant factors that affect water vapour resistance.

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Mathematical models for water vapour resistance prediction of printed garments

Cited by 3 publications

References 15 publications

In-Depth Investigation into the Transient Humidity Response at the Body-Seat Interface on Initial Contact Using a Dual Temperature and Humidity Sensor

In-Depth Investigation into the Transient Humidity Response at the Body-Seat Interface on Initial Contact Using a Dual Temperature and Humidity Sensor

The influence of inkjet print parameters on warm/cool feeling and air permeability of printed textile substrates

Optimisation of the Sublimation Textile Printing Process Using the Taguchi Method

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