本文選題：織物　切入點：熱傳遞性能　出處：《武漢紡織大學(xué)》2017年碩士論文　論文類型：學(xué)位論文

【摘要】：隨著社會的發(fā)展和消費者個性化、多元化生活方式的需求,人們對服裝熱濕舒適性等方面提出了更高的標準和要求。作為服裝的物質(zhì)基礎(chǔ)——織物的熱濕傳遞性能則成了眾多紡織科研工作者研究重點內(nèi)容。因此,對織物熱傳遞過程的機理及其影響因素研究顯得尤為重要,這對提高服裝面料的舒適性與功能性,具有重要的理論和現(xiàn)實意義。本文首先研究了平板織物保溫性能測試儀的儀器結(jié)構(gòu),然后在此基礎(chǔ)上自行研制了可時、動態(tài)顯示熱板散熱功率、織物表面溫度的織物熱傳遞性能測試儀,結(jié)果顯示,該測試儀與常規(guī)平板織物保溫性能測試儀的測試結(jié)果相接近。然后利用該測試儀對組織結(jié)構(gòu)、織物纖維材料和常規(guī)參數(shù)不同的織物進行熱傳遞性能測試。同時研究分析織物組織結(jié)構(gòu)、經(jīng)緯紗密度及其他結(jié)構(gòu)參數(shù),利用Comsol有限元軟件自帶的三維建模模塊對織物進行模型建立,然后利用Comsol Multiphysics對建立的織物模型進行熱傳遞性能的數(shù)值模擬,結(jié)果顯示:1、織物熱傳遞性能測試儀測得的平紋織物、斜紋織物與緞紋織物表面溫度的實時變化曲線與有限元軟件模擬得到的溫度變化曲線有著相同的變化趨勢,說明對織物模型進行數(shù)值模擬得到的織物表面溫度可以準確的反映織物表面真實的溫度變化情況;2、將使用有限元軟件計算得到的織物熱阻值與織物熱傳遞性能測試儀測試得到的熱阻值進行比較,結(jié)果發(fā)現(xiàn),兩組數(shù)據(jù)吻合性較好。3、使用有限元軟件對織物的組織結(jié)構(gòu)、組織結(jié)構(gòu)參數(shù)對其熱傳遞性能的影響進行研究與分析,發(fā)現(xiàn)織物緊度、透氣量、厚度、編織結(jié)構(gòu)、織物傳熱各向異性等因素都將會對織物的熱阻值產(chǎn)生一定的影響,是影響織物熱傳遞性能中不可忽略的部分。綜上所述,本文建立了織物具體交織結(jié)構(gòu)的三維幾何模型,其數(shù)值模擬結(jié)果與實測結(jié)果有較好的吻合性,說明該模型能夠較吻合的模擬織物的熱傳遞過程,這對研究織物的熱傳遞有一定的理論意義。
[Abstract]:With the development of society and individual consumers, diversified lifestyle needs, people put forward higher standards and requirements for clothing thermal comfort and so on. As the basic material of garment, fabric heat and moisture transfer property became many textile scientific researchers focus. Therefore, the transfer of the fabric heat transfer mechanism and the factors influencing the process of research is very important to improve the comfort and functional fabric, which has important theoretical and practical significance. This paper studies the flat fabric insulation performance tester instrument structure, and then can be developed, dynamic display of hot plate heat radiating power. Fabric surface temperature transfer performance test instrument, test results showed that the test instrument with conventional flat fabric insulation tester are close. Then use the tester to group Fabric structure, fabric materials and conventional parameters of different fabric heat transfer performance test. At the same time of fabric structure, yarn density and other structural parameters, 3D modeling module with the finite element software Comsol on the fabric model, then use Comsol Multiphysics to establish the model of fabric by numerical simulation, the heat transfer performance of the results showed that: 1, the fabric heat transfer performance test of plain woven fabric, real-time curve twill and satin fabric surface temperature and the finite element analysis software to simulate the temperature change curves obtained with the same trend, that of fabric model the simulated fabric surface temperature change of temperature can accurately reflect the true surface of the fabric; 2, fabric thermal resistance is calculated by using the finite element software and the values of fabric heat transfer performance Thermal resistance is the measured values are compared, results show that the two sets of data are in good agreement with.3, the organization structure of fabric by using finite element software, research and analysis of the effect of structure parameters on the heat transfer performance, found that the degree of the fabric, air permeability, thickness, woven fabric structure, heat transfer anisotropic factors will have a certain impact on the fabric thermal resistance value can not be ignored in the part of the performance effect of fabric heat transfer. To sum up, this paper establishes a three-dimensional geometric model of fabric interwoven concrete structure, the numerical simulation results agree well with the experimental results, the simulation shows that the transfer process the model can more consistent fabric heat, which is the study of fabric heat transfer has certain theoretical significance.

【學(xué)位授予單位】：武漢紡織大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2017
【分類號】：TS101.923

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