This study investigates the broadband noise generated by an aircraft steering control valve assembly during steering maneuvers. A nonlinear spool dynamics model, incorporating coupled steady-state and ...

While the engineering community continues to explore the benefits of electric and hybrid vehicles—i.e., the environmental and renewable energy factors—the automotive market is still dependent on ...

This file type includes high resolution graphics and schematics when applicable. The images above are simple cross sections of a typical spool valve (left) and a poppet valve (right). (Courtesy of ...