【摘要】：針對(duì)目前飛機(jī)電熱防冰過程中遇到的問題和現(xiàn)象,本課題以探索碳納米紙作為熱源的復(fù)合材料機(jī)翼結(jié)構(gòu)的電加熱規(guī)律為出發(fā)點(diǎn),通過仿真模擬和實(shí)驗(yàn)相結(jié)合的辦法,主要從碳納米紙電加熱層的設(shè)計(jì)制備,碳納米紙復(fù)合材料層合板的層間溫度分析,碳納米紙復(fù)合材料機(jī)翼結(jié)構(gòu)表面的傳熱特性等方面進(jìn)行研究。為碳納米紙復(fù)合材料機(jī)翼結(jié)構(gòu)在某些電熱防冰工況下熱流密度的選取提供依據(jù),從而降低實(shí)驗(yàn)成本、節(jié)省能源和提高實(shí)驗(yàn)效率。首先對(duì)碳納米紙電加熱層進(jìn)行材料選取、形狀設(shè)計(jì)、電流密度模擬和熱成像測(cè)試,制備導(dǎo)電性能和電加熱性能良好的碳納米紙電加熱層。其次,采用真空袋成型工藝制備碳納米紙復(fù)合材料層合板,模擬碳納米紙復(fù)合材料層合板在不同環(huán)境溫度和熱流密度條件下層間溫度分布規(guī)律,與復(fù)合材料層合板的熱成像實(shí)驗(yàn)進(jìn)行對(duì)比驗(yàn)證。然后,對(duì)碳納米紙復(fù)合材料機(jī)翼進(jìn)行仿真模擬,得到環(huán)境溫度、熱流密度、風(fēng)速與復(fù)合材料機(jī)翼表面溫度的對(duì)應(yīng)關(guān)系。最后,對(duì)碳納米紙復(fù)合材料機(jī)翼結(jié)構(gòu)進(jìn)行電加熱驗(yàn)證實(shí)驗(yàn),驗(yàn)證仿真結(jié)果的正確性,為未來碳納米紙復(fù)合材料電熱防冰冰風(fēng)洞實(shí)驗(yàn)設(shè)計(jì)提供指導(dǎo)。
[Abstract]:In view of the problems and phenomena encountered in the process of aircraft electrothermal ice prevention, this paper aims at exploring the electric heating law of composite wing structure with carbon nano-paper as heat source, and combines simulation with experiment. The design and preparation of electric heating layer of carbon nano-paper, the analysis of interlaminar temperature of carbon nanopaper composite laminates, and the heat transfer characteristics of wing surface of carbon nano-paper composite were studied. It provides a basis for the selection of heat flux density of carbon nanopaper composite wing structure under some electrothermal anti-ice conditions, thus reducing the experimental cost, saving energy and improving experimental efficiency. Firstly, the carbon nano-paper electric heating layer with good electrical conductivity and electric heating performance was prepared by material selection, shape design, current density simulation and thermal imaging test. Secondly, carbon nanopaper composite laminates were prepared by vacuum bag molding process. The temperature distribution of carbon nanopaper composite laminates under different ambient temperature and heat flux was simulated. It is compared with the thermal imaging experiment of composite laminated plate. Then, the simulation of carbon nano-paper composite wing is carried out to get the corresponding relationship between ambient temperature, heat flux, wind speed and surface temperature of composite wing. Finally, the validity of the simulation results is verified by the electric heating test on the wing structure of carbon nano-paper composite, which provides guidance for the future design of the electro-thermal ice-proof wind tunnel experiment of carbon nano-paper composite.
【學(xué)位授予單位】：哈爾濱工業(yè)大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2016
【分類號(hào)】：V224
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本文編號(hào)：2334482