Design Parameters of Hot-Water Drilling Systems

被引:5
|
作者
Liu, Gang [1 ,2 ,3 ]
Talalay, Pavel [1 ,3 ]
Wang, Rusheng [1 ,3 ]
Yang, Yang [1 ,3 ]
Hong, Jialin [1 ,3 ]
Gong, Da [1 ,3 ]
Liu, An [1 ,3 ]
Fan, Dayou [1 ,3 ]
机构
[1] Jilin Univ, Polar Res Ctr, Changchun 130026, Jilin, Peoples R China
[2] East China Inst Technol, Architectural Coll, Nanchang 330013, Jiangxi, Peoples R China
[3] Jilin Univ, Coll Construct Engn, Changchun 130026, Jilin, Peoples R China
基金
美国国家科学基金会;
关键词
design principles; hot water drill; glaciers; heat transfer; pressure losses; refreezing rate; ICE DRILL;
D O I
10.3390/w11020289
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
Currently, hot-water drill systems are actively used to observe ocean cavities under ice shelves, detect the effects of climate change on glaciers, retrieve sub-ice seabed samples, study the internal ice structure with video imaging, log temperatures, measure deformations within ice, determine basal sliding velocity, provide clean access to subglacial lakes, and many other scientific applications. The main parameters of hot-water drilling systems in any configuration are flow rate, delivery pressure, and temperature of the delivered water. The controlled outcome variables are the diameter of the drilled borehole, rate of penetration, power and fuel consumption for ice melting, and refreezing rate of the borehole. The independent variables while drilling are the current/target depth and the temperature of the ice. The paper aims to present a design procedure for hot-water drilling parameters that are necessary to choose appropriate equipment and tools at the planning stage.
引用
收藏
页数:17
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