在自制的马里奥特装置上测量了不同条件下水的流速，验证了马里奥特装置的恒流特性，并探讨了其恒流特性的影响因素。在马里奥特装置提供恒流的条件下，对流管进行了不同形式的组装。通过测量流管中不同位置处水的压力，流速及高度差，实验验证了水的伯努利方程。设计总-支流管实验，测量总流管与支流管中的参数，发现总流管的伯努利常数( C) 等于各支流管之和，拓展了伯努利方程在分支流管中的应用。
The flow velocity was measured using homemade Marriott device under different conditions，which certified that the Marriott device could provide a constant velocity and investigate the factors to influence its constant velocity feature．The water pipes were assembled by two types connecting to the Marriott device．The pressure，flow velocity and height difference of water at different positions in the pipes were measured to verify Bernoulli’s theorem experimentally．Meanwhile，Bernoulli constant( C) of the main flow pipe was equal to the sum of the tributary pipes by measuring parameters in main and tributary pipes the main，which extended the
application Bernoulli’s theorem in the field of tributary pipes．
袁朝圣, 李海宁.
基于马里奥特装置的恒流特性验证伯努利定理
[J]. 大学物理实验, 2022, 35(4): 52-57.
YUAN Chaosheng, LI Haining.
Verification of Bernoulli’s Theorem Based on the Constant Velocity Feature of Marriott Device
. Physical Experiment of College, 2022, 35(4): 52-57.
