-
Article
Determination of short-period terms of total solar irradiance
In addition to the evident 11-year periodic changes, Total solar irradiance (TSI) also has some short-period processes. We carried out the wavelet analysis for TSI observational series and its inter-annual tim...
-
Article
Prediction of the Sunspot Number with a New Model Based on the Revised Data
Sunspot-number prediction plays a very important role in space-weather forecasts and environmental research. In 2015, the international relative sunspot-number publisher released a new version of the data. Com...
-
Article
A Hydraulic Performance Comparison of Centrifugal Pump Operating in Pump and Turbine Modes
The modifications of impeller may show diverse impact on centrifugal pump operating in pump and turbine modes. To clarify this problem, the hydraulic performance of a low specific speed centrifugal pump operat...
-
Article
Experimental and Internal Flow Investigation on the Performance of a Hydraulic Retarder with Different Liquid-Filled Amount and Blade Inclination Angles
In order to study the variation of brake torque, vibration, pressure fluctuation, exterior noise and internal flow for a hydraulic retarder with different inclination angles and liquid-filled amount, a bench-s...