首页> 外文会议>International Conference on Offshore Mechanics and Arctic Engineering, Jun 23-28, 2002, Oslo, Norway >MODELLING AND SCALING OF THE IMPULSE TURBINE FOR WAVE POWER APPLICATIONS
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MODELLING AND SCALING OF THE IMPULSE TURBINE FOR WAVE POWER APPLICATIONS

机译:波浪动力应用中的涡轮机建模与标度

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This paper addresses the dimensional analysis of experimental data for the Impulse Turbine and the use of that data to create a model to predict the performance characteristics of an arbitrarily sized turbine under arbitrary operating conditions. The model assumes that the performance of the turbine is a function of flow coefficient only. The model is used to compare the performance of different turbines at the scaled-up level and under varying conditions of axial velocity and angular velocity. Also, the model is used to identify the optimum turbine rotational speed, for maximum output power, at practical sizes over a range of input power levels. This paper clarifies issues relating to the sizing and optimum operating point of the Impulse Turbine over variable sea conditions which oblige the turbine to operate over a design range rather than at a single design point and shows how this optimum operating point may be obtained.
机译:本文介绍了脉冲涡轮机实验数据的尺寸分析,并利用该数据创建了一个模型来预测任意大小的涡轮机在任意运行条件下的性能特征。该模型假定涡轮机的性能仅是流量系数的函数。该模型用于在按比例放大的水平以及在变化的轴向速度和角速度条件下比较不同涡轮机的性能。此外,该模型还用于在输入功率水平范围内的实际尺寸下,为最大输出功率确定最佳涡轮转速。本文阐明了与脉冲式涡轮机在可变海况下的尺寸和最佳运行点有关的问题,这些问题迫使涡轮机在设计范围内而不是在单个设计点上运行,并说明了如何获得该最佳运行点。

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