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4篇 您的检索式：作者名="Krishnil RAM"

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		题名	作者	年代	出处	被引量
	1	Performance studies on an oscillating water column employing a Savonius rotor显示文摘A new oscillating water column (OWC) design is proposed in this study to incorporate a simpler Savonius type turbine. Conventional OWC devices employ a bi-directional turbine such as a Wells or an Impulse turbine to extract energy from the air. The disadvantages of the Wells turbine include its inability to self start and stalling. The Savonius turbine is much cheaper and is an effective option at low Reynolds numbers. In the current rectangular OWC device, unlike the circular OWC, the width of entry of the capture chamber can be increased without being influenced by the diameter at the turbine section. To improve its primary capture efficiency, the front and rear walls of the OWC are inclined to minimize reflection. The Savonius rotor characteristics are studied with respect to the change in frequency of the incoming waves. The rotor rpm is sensitive to wave period and primary conversion efficiency while changes in depth only affect the rotor rpm at lower frequencies. The Savonius rotor shows promising results and can be incorporated into large scale OWC devices to reduce costs of the turbine component of the system.	Sandeep K PATEL Krishnil RAM M.Rafiuddin AHMED Young-Ho LEE	2011	Science China(Technological Sciences)2011，54，7：	2
	2	Experimental studies on the flow characteristics in an oscillating water column device显示文摘	Krishnil Ram Mohammed Faizal M. Rafiuddin Ahmed Young-Ho Lee	2010	Journal of Mechanical Science and Technology2010，，10：	1
	3	Low Reynolds number airfoil optimization for wind turbine applications using genetic algorithm显示文摘	Krishnil R Ram Sunil Lal M Rafiuddin Ahmed	2013	Journal of Renewable and Sustainable Energy2013，5，05：	1
	4	Experimental studies on the flow characteristics in an inclined bend-free OWC device显示文摘A bend-free rectangular cross-section OWC device was designed and constructed for studying the effect of inclination on the flow characteristics inside the device.The inclination is meant to reduce reflection of waves and induce higher velocities in the turbine section.Experimental measurements were made in a wave channel where the OWC device was tested.An S-type Pitot tube was used to measure dynamic pressure of air in the turbine section at several inclinations.Particle Image Velocimetry(PIV)was also done to study the flow of both air and water in the OWC device.In order to focus solely on primary energy capture,no turbine was installed in the OWC device.The dynamic pressure readings were analysed for suction and compression stages.Water volume fluctuations inside the capture chamber were also recorded and compared for different inclinations.The result was an increase in the velocity of air flowing in the capture chamber and hence a rise in the kinetic energy available to the turbine.It was found from experimental studies that as the angle of inclination reduced,the velocity of air in the turbine section increased.The lower angles also caused higher run-up and larger volume of water into the capture chamber.	Krishnil Ravinesh Ram Mohammed Rafiuddin Ahmed Mohammed Asid Zullah Young-Ho Lee	2016	Journal of Ocean Engineering and Science2016，1，1：	0

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