利用气体火焰研究驻波  

Standing Waves are Studied by Using Gas Flame

作　　者：周珺[1] 

机构地区：[1]兰州交通大学,甘肃兰州730070

出　　处：《大学物理实验》2016年第2期56-58,共3页Physical Experiment of College

摘　　要：驻波是一个比较抽象的概念,较难理解,用气体火焰模拟驻波可以让我们更直观的研究声场产生的驻波。实验中发现火焰按波形变化的规律分布,用驻波波函数和伯努利方程对实验现象进行了理论分析,引入压节(波腹)、压腹(波节)解释在两端出现的高火焰现象。实验结果与理论分析接近一致。Standing wave is a more abstract concept,more difficult to understand,a standing wave can be simulated by gas flame let us study more intuitive standing wave sound field generated. Experiments found that the flame distribution,according to the waveform changes with in wave function and the Bernoulli equation of experimental phenomena are analyzed in theory,the introduction of pressure section（ loop）,abdominal pres-sure（ nodes）explain at both ends of a flame. Which is close to the experimental results and theoretical analy-sis.

关 键 词：钢管 驻波 火焰 压节 压腹 

分 类 号：O4-34[理学—物理]