RELATIONSHIPS BETWEEN WATERDROP PROPERTIES AND FORCES OF IMPACT

被引：27

作者：

NEARING, MA

BRADFORD, JM

机构：

[1] Purdue Univ, West Lafayette, IN, USA, Purdue Univ, West Lafayette, IN, USA

来源：

SOIL SCIENCE SOCIETY OF AMERICA JOURNAL | 1987年 / 51卷 / 02期

关键词：

MATERIALS TESTING - Impact - WATER - Drop Formation;

D O I：

10.2136/sssaj1987.03615995005100020031x

中图分类号：

S15 [土壤学];

学科分类号：

0903 ; 090301 ;

摘要：

Waterdrop impact forces cause detachment of particles from soil surfaces and are an important component of soil erosion. This study was undertaken to determine the effects of waterdrop properties on waterdrop impact forces. Forces of impact were measured with a piezoelectric transducer. Mean peak force of impact was determined to be a function of both drop kinetic energy and momentum for individual drop heights, but the relationship varied with height. Mean peak force was proportional to the diameter squared times velocity cubed for all drop sizes and fall heights. A nondimensional representation of impact force vs. time duration of impact was determined.

引用

页码：425 / 430

页数：6

共 23 条

[1] NEW METHODS OF STUDYING SOIL DETACHMENT DUE TO WATERDROP IMPACT [J].