Effect of air cushion layer right before impact of a rigid body onto water surface has been investigated in this paper. The study is mainly focused on evaluation of cushioning pressure and the resulting free surface elevation. The air flow is assumed to be an irrotational flow which is governed by Laplace equation. The air problem and the resulting response of the water free surface are suppose...

Despite widely publicized hypertension treatment guidelines for physicians and lifestyle recommendations for patients, blood pressure control rates remain low. In community-based primary care clinics, we performed a nested, 2 x 2 randomized, controlled trial of physician intervention versus control and/or patient intervention versus control. Physician intervention included internet-based traini...

adjusts inspiratory gas flow to maintain Paw as a square wave. Titrating inspiratory flow rate (V̇I) to maintain Paw as a square wave results in a variable, decreasing ramp flow waveform (Figure 1A). Peak V̇ occurs as inspiration commences, so that the flow-resistive properties of the patientventilator system can be utilised to create a ‘pressure-step’ that approaches the peak Paw target (Paw = ̇ ...