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微重力池沸騰過程中的氣泡熱動(dòng)力學(xué)特征研究

發(fā)布時(shí)間:2018-04-09 14:22

  本文選題:核態(tài)池沸騰 切入點(diǎn):沸騰起始 出處:《力學(xué)與實(shí)踐》2016年02期


【摘要】:微重力池沸騰過程中的氣泡熱動(dòng)力學(xué)特征研究項(xiàng)目是實(shí)踐十號(hào)返回式衛(wèi)星科學(xué)實(shí)驗(yàn)任務(wù)之一,主要關(guān)注微重力池沸騰過程中孤立生長(zhǎng)氣泡周圍局部流動(dòng)與傳熱機(jī)理.目前,實(shí)驗(yàn)裝置SOBER-SJ10正樣產(chǎn)品已完成研制和地面測(cè)試,并開展了一系列地面對(duì)比實(shí)驗(yàn).地面實(shí)驗(yàn)結(jié)果表明設(shè)備工作正常,性能指標(biāo)達(dá)到設(shè)計(jì)要求.地面實(shí)驗(yàn)結(jié)果表明過冷度對(duì)起始沸騰過熱度影響甚微.空間飛行實(shí)驗(yàn)將于近期進(jìn)行,其結(jié)果將加深對(duì)沸騰傳熱機(jī)理的認(rèn)識(shí).
[Abstract]:The research project of bubble thermodynamics in the boiling process of microgravity cell is Ren Wuzhi, a practical scientific experiment of recoverable satellite, which focuses on the mechanism of local flow and heat transfer around the isolated growth bubble in the boiling process of microgravity cell.At present, the SOBER-SJ10 standard product has been developed and tested on the ground, and a series of ground contrast experiments have been carried out.The experimental results on the ground show that the equipment works normally and the performance index meets the design requirements.The experimental results on the ground show that the undercooling degree has little effect on the initial boiling superheat.Space flight experiments will be conducted in the near future, and the results will deepen the understanding of boiling heat transfer mechanism.
【作者單位】: 中國(guó)科學(xué)院力學(xué)研究所中國(guó)科學(xué)院微重力重點(diǎn)實(shí)驗(yàn)室;西安交通大學(xué)動(dòng)力工程多相流國(guó)家重點(diǎn)實(shí)驗(yàn)室;
【基金】:中國(guó)科學(xué)院空間科學(xué)先導(dǎo)計(jì)劃(XDA04020404) 國(guó)家自然科學(xué)基金(11372327)資助項(xiàng)目
【分類號(hào)】:O35
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本文編號(hào):1726802

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