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�������պ����ѧѧ�� 2009, Vol. 35 Issue (7) :799-803    DOI:
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�������պ����ѧ ��ͨ��ѧ�빤��ѧԺ, ���� 100191
Simulation of liquid slosh in braking process of tank truck
Liu Kui, Kang Ning*
School of Transportation Science and Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100191, China

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ժҪ ����Volume of Fluid (VOF) ģ�ͶԹ޳��ƶ�ʱҺ��Ļζ���������ֵģ��,�Ե�������������λ�ü�������ɷ�������˼���,��ͨ����ʵ�����ĶԱ���֤�˼��㷽���Ŀɿ���.����������,�޷�����ʱ,����ٶ�����,���� x,y����������ֵ����,������ɱ�����;���Һ������,����x����������ֵ��������С,y ����������ֵ����,�ƶ���ʼ�����ʱ��Һ��Խ����ɱ�Խ��,1��s���ҳ�Һ��Խ����ɱ�ԽС;���Ҵ�������ʱ,��������������, x,y ����������ֵ��С,��������������ں�����40%ʱ,���ӷ�����������������ƹ�������,�ҷ��������Խ����ɱȷ�ֵԽС.
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Abstract�� The liquid sloshing in braking process of tank truck was simulated by volume of fluid (VOF) model. The forces and their locations of a single room and weight distribution of a truck were calculated. The reliability of the calculation method was validated by comparing with experimental results. The results show that the maximum of ��Fx�� (force in direction ��x��), ��Fy ��(force in direction ��y��) and ��C�� (The ratio of weight acting on the front axle and rear axle) increase as the deceleration increases without a baffle. When the liquid filling ratio increases, the maximum of ��Fx�� increases firstly and decreases afterwards, the maximum of ��Fy�� increase, and ��C�� increases in the starting and ending period of braking process and decreases during the period around 1��s. When there is a baffle, as the area of the baffle becomes bigger, the maximum of ��Fx, Fy�� and ��C�� decreases.
Keywords�� tank truck   volume of fluid (VOF) method   liquid sloshing   two phase flow     
Received 2008-06-30;
About author: �� ��(1984-),��,�����׷���,˶ʿ��,lkcmr@sina.com.
�� ��, �� ��.�޳��ƶ�ʱҺ��ζ��ķ������[J]  �������պ����ѧѧ��, 2009,V35(7): 799-803
Liu Kui, Kang Ning.Simulation of liquid slosh in braking process of tank truck[J]  JOURNAL OF BEIJING UNIVERSITY OF AERONAUTICS AND A, 2009,V35(7): 799-803
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