自返式微型地?zé)崽结標(biāo)逻\(yùn)動(dòng)及貫入特性分析
發(fā)布時(shí)間：2018-03-21 04:44
本文選題：自返式 切入點(diǎn)：地?zé)崽结?/strong> 出處：《海洋工程》2017年06期 論文類型：期刊論文
【摘要】：自返式微型地?zé)崽结標(biāo)逻\(yùn)動(dòng)特性以及其貫入深度關(guān)系到其能否正常入泥工作,針對(duì)自返式微型地?zé)崽结樀慕Y(jié)構(gòu),對(duì)其進(jìn)行簡(jiǎn)化,建立物理模型。并針對(duì)海洋流場(chǎng)及海洋底質(zhì),抽取關(guān)鍵參數(shù),建立探針投放過程中的流場(chǎng)模型和底質(zhì)模型。將所建立模型導(dǎo)入數(shù)據(jù)分析軟件,先分析探針在投放過程中豎直方向和水平方向的相關(guān)運(yùn)動(dòng)特性,然后擬合為探針下行過程中下行深度和橫向漂移的軌跡圖,可見其水平方向最大位移約為106 m。在理論上論證了探針在下行過程中的姿態(tài)穩(wěn)定性。通過計(jì)算論證了自返式微型探針在依靠自身重力的情況下,自動(dòng)貫入海底沉積物進(jìn)行熱流測(cè)量工作方式的可行性。并在最后通過海上試驗(yàn),對(duì)分析結(jié)果進(jìn)行了實(shí)踐驗(yàn)證。
[Abstract]:The underwater motion characteristics and penetration depth of self-return micro-geothermal probe are related to its normal mud entry. Aiming at the structure of self-return micro-geothermal probe, the physical model is established, and the ocean current field and ocean bottom are analyzed. The key parameters are extracted, and the flow field model and the bottom mass model are established. The model is imported into the data analysis software to analyze the vertical and horizontal movement characteristics of the probe. Then fitting the trajectory diagram of the depth and lateral drift of the probe in the downlink process. It can be seen that the maximum displacement in horizontal direction is about 106 m.The stability of the probe's attitude in the downlink process is theoretically demonstrated. The self-return microprobe is proved to depend on its own gravity by calculation. It is feasible to measure the heat flux of the sediment through the sea bed automatically. Finally, the results of the analysis are verified by practice through the sea test.
【作者單位】： 國(guó)家海洋技術(shù)中心;
【基金】：國(guó)家自然科學(xué)基金資助項(xiàng)目(41306093) 海洋公益性行業(yè)科研專項(xiàng)資助項(xiàng)目(201405006-2)
【分類號(hào)】：P736
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