暴雨,冲击出创新火花(下)——彭江洲和他的“汽车排气管防进水备用装置”

• 作 者: 崔丁萌
• 出 处: 农村青少年科学探究
• 发表日期: 2013年11期
• 关键词: 汽车排气管 彭江 公里数 调查分析 戚发轫 便携型 《成都商报》 张景中 成都日报 中国少年

调查分析二次样品新鲜出炉“彭江洲不愧是个小院士,他有种不认输的钻劲。”指导老师石美然说。他再次主动找到老师,并在老师的指导下,又来到停车场统计20余种不同类别的汽车排气管的内外径。经过实际调查,他得出一个结论:汽车排气管的内外径多数都在7.5厘米左右,只有极少数的大于9厘米。但是他调查的汽车排气管形状都是圆形的,没有了解方形排气管的情况。他还对他爸爸的捷达车和老师的瑞纳车在行驶不同公里数后排气管温度的变化情况

Investigation and analysis of the second sample freshly baked “Pengjiang Island is indeed a small academician, he kind of hard-working.” "Instructor Shi Mei Ran said. He once again take the initiative to find a teacher, and under the guidance of the teacher, came to the parking lot more than 20 kinds of different types of car exhaust pipe diameter. After the actual investigation, he came to a conclusion: the majority of the inner and outer diameter of the car exhaust pipe is about 7.5 cm, only a very small number of more than 9 cm. However, he investigated the car exhaust pipe shape is circular, do not understand the square exhaust pipe. He also told his father’s Jetta and Rena’s car after driving different kilometers of the exhaust pipe temperature changes