机械研究与应用
機械研究與應用
궤계연구여응용
MECHANICAL RESEARCH & APPLICATION
2015年
2期
73-75
,共3页
多层圆柱壳%热膨胀系数%轴向平面间隙
多層圓柱殼%熱膨脹繫數%軸嚮平麵間隙
다층원주각%열팽창계수%축향평면간극
multilayer cylindrical shell%thermal expansion coefficient%axial plane gap
为了解由多层圆柱壳构成的装置轴向平面间隙随环境温度的变化，设计了PBX壳的热膨胀系数测定实验，结果表明， PBX壳各型面的热膨胀系数不同；推导了多层圆柱壳轴向平面间隙随环境温度的变化关系式并设计了验证实验，计算值与实测值的误差小于10％。
為瞭解由多層圓柱殼構成的裝置軸嚮平麵間隙隨環境溫度的變化，設計瞭PBX殼的熱膨脹繫數測定實驗，結果錶明， PBX殼各型麵的熱膨脹繫數不同；推導瞭多層圓柱殼軸嚮平麵間隙隨環境溫度的變化關繫式併設計瞭驗證實驗，計算值與實測值的誤差小于10％。
위료해유다층원주각구성적장치축향평면간극수배경온도적변화，설계료PBX각적열팽창계수측정실험，결과표명， PBX각각형면적열팽창계수불동；추도료다층원주각축향평면간극수배경온도적변화관계식병설계료험증실험，계산치여실측치적오차소우10％。
To understand the change of axial plane clearance between the multilayer cylindrical shell along with the ambient temperature, experiments were designed to measure the thermal expansion coefficient of the PBX shell.The results show that the thermal expansion coefficient of each profile in PBX shell is different;and the equations of axial plane clearance of multi-layer cylindrical shell with the change of environmental temperature are derived and then verification experiments are carried out.The error between the calculated values and the measured values is less than 10%.
