【摘要】：為提高高溫熔鹽泵散熱器的散熱效果,對影響散熱器散熱面積的重要因素——散熱孔的直徑和數(shù)量進(jìn)行了數(shù)值優(yōu)化,并將數(shù)值模擬得到的熱載荷加載到結(jié)構(gòu)體上,分析了熱載荷下的熱變形。結(jié)果表明:散熱孔直徑為12 mm、散熱孔數(shù)量為6時,散熱流體的流動均勻穩(wěn)定,泵軸和散熱器的綜合散熱效果較好,最終泵軸頂端的平均溫度可降到440 K,散熱器頂端的平均溫度可降到417.5 K,滿足散熱需求;泵軸熱變形量較小,最大值為0.46 mm,散熱器的變形量較大,最大值為2.37 mm,加工時必須考慮材料的熱膨脹和熱變形。
[Abstract]:In order to improve the radiating effect of high temperature molten salt pump radiator, the diameter and number of cooling holes, which are important factors affecting the radiator area, are numerically optimized, and the thermal load obtained by numerical simulation is loaded on the structure. The thermal deformation under thermal load is analyzed. The results show that when the diameter of the cooling hole is 12 mm, and the number of the cooling holes is 6, the flow of heat dissipation fluid is uniform and stable, the comprehensive heat dissipation effect of the pump shaft and radiator is better, and the average temperature at the top of the pump shaft can be reduced to 440K. The average temperature at the top of the radiator can be reduced to 417.5 K to meet the demand for heat dissipation. The heat deformation of pump shaft is small and the maximum value is 0. 46 mm, radiator. The thermal expansion and deformation of material must be considered when the maximum value is 2. 37 mm,.
【作者單位】： 江蘇大學(xué)流體機(jī)械工程技術(shù)研究中心;
【基金】：江蘇省工業(yè)支撐計劃資助項目(BE2014116) 江蘇省產(chǎn)學(xué)研聯(lián)合創(chuàng)新資金資助項目(BY2014123-09) 江蘇高校優(yōu)勢學(xué)科建設(shè)工程資助項目(PAPD)
【分類號】：TH38

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