CAJ | 학술논문

现行中学物理教材中有压缩气体其内能增大的演示实验,但对气体膨胀对外做功其内能减小却没有实验.本文自制了一种气体膨胀做功演示实验仪,验证了气体膨胀对外做功其内能减小,改进了中学物理实验教学,同时也为相关仪器生产商提供了一个较好的仪器模型.
현행중학물리교재중유압축기체기내능증대적연시실험,단대기체팽창대외주공기내능감소각몰유실험.본문자제료일충기체팽창주공연시실험의,험증료기체팽창대외주공기내능감소,개진료중학물리실험교학,동시야위상관의기생산상제공료일개교호적의기모형.
The experiment that the compressed gas has the increased internal energy is included in the current physics materials,but that gas do work while expanding,which make internal energy reduce is not.In this paper,an experimental equipment used to demonstrate gas do work while expanding is introduced and the experiment result show that the mentioned-above second experiment is true,which improve the experimental teaching of physics and provide a better equipment model for the related equipment manufacturer.