%0 Journal Article
%T Experimental Design for the Determination of Anchor Chain Drag Coefficients in Current<br>水流中锚链阻力系数测量的实验设计
%A YU Yang
%A <br>于洋
%J 实验力学
%D 2010
%I 
%X A simple and effective experimental design is presented in this paper to determine anchor chain drag coefficient in a towing tank. Due to the weight and flexibility of chain cable, three measures were taken as follows: (1) making the tested anchor chain into a straight bar by spot-welding the joints of two adjacent links; (2) hanging the tested bar horizontally below a moving carriage to simulate water current, then calculating the resistance based on the measurement of angle between suspending line and perpendicular; (3) in order to eliminate the influence of bar ends, drag force is obtained by dividing the force difference derived from a long bar and a short bar respectively, by the length difference of two bars. Consequently, anchor chain unit drag coefficient induced by water current was easily derived.
%K Anchor chain
%K water current
%K normal frictional coefficient
%K tangent frictional coefficient
%K experiment design
%K towing tank<br>锚链
%K 水流
%K 法向阻力系数
%K 切向阻力系数
%K 试验设计
%K 拖曳水池
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=6E709DC38FA1D09A4B578DD0906875B5B44D4D294832BB8E&cid=5D344E2AD54D14F8&jid=49067A0A0D864088C06A84AACB51A5B2&aid=8A852D66637D8793A20B5578F5CF3162&yid=140ECF96957D60B2&vid=C5154311167311FE&iid=38B194292C032A66&sid=28F9D9CF04F424FF&eid=1D01216AD76577EC&journal_id=1001-4888&journal_name=实验力学&referenced_num=0&reference_num=6