The dentoid baffle can be used in the practice of hydraulic engineering as a new type of energy dissipation tool 齿墩设施可作为一种新型的消能工运用于拟建或改建工程上。
2.
The principle of the choice of the parameters about the device of dentoid baffle and some research data have been given in the paper , and can be referenced in the early design of hydraulic engineering 文中给出了这种设施的参数选择原则及部分资料。可供工程初设时参考运用。
3.
The additional flow is formed by the device of dentoid baffle , and the application of the device of dentoid baffle cooperated with a stilling basin has been investigated by systematic model tests . based on the research results , the hydraulic problems such as the characteristics of hydrodynamic pressure and cavitation on the head of the denotid baffle , the properties of flow under the condition that the device of denotid baffle is used with a stilling basin , the hydraulic computation about a stilling basin , the estimation of energy dissipation and its various affection factors , the mechanism and effect of energy dissipation , and distributions of velocity and pressure and aerating concentration , etc , have been analyzed ; the method and step of hydraulic design of device of denotid baffle by which the additional flow is produced has also been proposed 文中利用齿墩设施实现附加射流，对齿墩设施与消力池联合应用进行了大量的和系统的模型试验，分析研究了中低佛劳德数条件下，齿墩墩头的动水压强及空化特性，齿墩设施与消力池联合应用时的流态特性，消力池的水力计算，消能量的估算及其各种影响因素，消能机理和效果，消力池内的流速、压强特性，掺气浓度分布等水力学问题，并提出了实现附加射流齿墩设施的水力设计方法和步骤。
4.
Using the model experiment data , the authors calculate the decreased percentage of water jump length , unit width hydraulic jump volume and the water depth downstream of the jump ; and also calculate the energy dissipation rate of dentoid baffle , it is concluded that the device of dentoid baffle can increase the energy dissipation rate of hydraulic jump theory and decrease the engineering cost 计算了新增齿墩设施的消能量，同时计算了新增齿墩设施的跃后水深、水跃长度和单宽水跃容积减少的百分数。结果表明，采用齿墩设施，可增进消能作用，并取得显著的经济效益，达到附加射流水跃理论所预期的效果。
5.
The water current flows over the top of the dentoid baffle to the hydraulic jump as additional momentum . while it is cooperated with a stilling basin , the flowing condition emerged in the basin may be improved greatly and the length and downstream water depth required by the basin can be decreased to a great extent . such an appliance may be also used to solve the problems of insufficiently dissipating water flow energy and aerating flow , which are often faced with those hydraulic engineering constraction as acted by high waterhead , great specific discharge and low froude number 本文通过齿墩顶部的扩散水舌所形成的附加射流，从上部射入水跃，即可改善消力池内的水流流态，又可降低第二共轭水深，减小水跃长度，增进水跃消能效果，同时还能解决大单宽、低佛劳德数条件下掺气和消能不足的问题，试验证实它是一种安全、经济的消能工。
