Search Results - "Manna, M."

On the potential of the ideal diffuser augmented wind turbine: an investigation by means of a momentum theory approach and of a free-wake ring-vortex actuator disk model by Bontempo, R., Manna, M.

“…•A new momentum theory model with two-dimensional effects and the tip gap presence.•A new free-wake ring-vortex method for the uniformly loaded ducted actuator…”
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Effects of the duct thrust on the performance of ducted wind turbines by Bontempo, R., Manna, M.

“…This work investigates the performance of ducted wind turbines (DWTs) through the axial momentum theory (AMT) as well as through a semi-analytical approach…”
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Performance analysis of open and ducted wind turbines by Bontempo, R., Manna, M.

“…•A new semi-analytical actuator disk model is applied to open and ducted wind turbines.•Open and ducted turbines are compared for the same rotor load.•Results…”
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Work and efficiency optimization of advanced gas turbine cycles by Bontempo, R., Manna, M.

“…•The work and efficiency of advanced gas turbine cycles are analytically optimized.•Polytropic efficiencies are used for the compression and expansion…”
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The Joukowsky rotor for diffuser augmented wind turbines: design and analysis by Bontempo, R., Manna, M.

“…•A new actuator disk method for Joukowsky rotors enclosed in a duct of general shape.•Evaluation of the maximum-power-coefficient/tip-speed-ratio curve for…”
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A ring-vortex actuator disk method for wind turbines including hub effects by Bontempo, R., Manna, M.

“…•A free-wake ring-vortex actuator disk model for wind turbines with a hub is presented.•The wake divergence is not ignored. The wake and hub induced flows are…”
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A design of experiment approach as applied to the analysis of diffuser-augmented wind turbines by Bontempo, R., Carandente, R., Manna, M.

“…•Automated grid generation and actuator disk model for ducted wind turbines.•Design of Experiment analysis of the duct thickness, camber, chord and…”
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Effect of fluxing chemical: An option for Zn–5wt.%Al alloy coating on wire surface by single hot dip process by Manna, M.

“…The corrosion of wire is one of the primary causes for premature failure. The ideal way to overcome this problem is to provide corrosion protection right at…”
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The axial momentum theory as applied to wind turbines: some exact solutions of the flow through a rotor with radially variable load by Bontempo, R., Manna, M.

“…•A set of exact solutions of the axial momentum theory has been provided.•The load is variable along the span and it is zero at the rotor tip.•The load…”
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Effects of rice straw and nitrogen fertilization on greenhouse gas emissions and carbon storage in tropical flooded soil planted with rice by Bhattacharyya, P., Roy, K.S., Neogi, S., Adhya, T.K., Rao, K.S., Manna, M.C.

“…[Display omitted] ► GWP were highest in rice straw+green manure treatment. ► The labile carbon pools were highest in rice straw+green manure treatment. ►…”
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Characterisation of phosphate coatings obtained using nitric acid free phosphate solution on three steel substrates: An option to simulate TMT rebars surfaces by Manna, M.

“…Phosphate coatings have been obtained on three steel substrates, (a) ferritic-pearlitic (F-P), (b) tempered martensitic (T-M) and (c) tempered martensitic…”
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Crustal structure of Sicily from modelling of gravity and magnetic anomalies by Milano, M., Kelemework, Y., La Manna, M., Fedi, M., Montanari, D., Iorio, M.

“…We aim at modeling the main crustal and thermal interfaces of Sicily (Italy), a key area for understanding the geological complexity at the collisional…”
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Timing performance of small cell 3D silicon detectors by Kramberger, G., Cindro, V., Flores, D., Hidalgo, S., Hiti, B., Manna, M., Mandić, I., Mikuž, M., Quirion, D., Pellegrini, G., Zavrtanik, M.

“…A silicon 3D detector with a single cell of 50 × 50 μm2 was produced and evaluated for timing applications. The measurements of time resolution were performed…”
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Crustal structure in the Campanian region (Southern Apennines, Italy) from potential field modelling by Kelemework, Y., Milano, M., La Manna, M., de Alteriis, G., Iorio, M., Fedi, M.

“…We present a 3D model of the main crustal boundaries beneath the Campanian region and the onshore and offshore surrounding areas, based on high-resolution…”
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Performance analysis of ducted marine propellers. Part II – Accelerating duct by Bontempo, R., Manna, M.

“…•A nonlinear actuator disk method is applied to propellers with an accelerating duct.•Duct geometry effect on the efficiency is studied with a…”
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Long-term fertilization, manure and liming effects on soil organic matter and crop yields by Manna, M.C., Swarup, A., Wanjari, R.H., Mishra, B., Shahi, D.K.

“…Yield decline or stagnation and its relationship with soil organic matter fractions in soybean ( Glycine max L.)–wheat ( Triticum aestivum L.) cropping system…”
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Effect of prior electro or electroless Ni plating layer in galvanizing and galvannealing behavior of high strength steel sheet by Manna, M., Dutta, M.

“…Galvanization (GI) and galvannealing (GA) of high strength (HS) steel surface is very prone to develop uncoated spots in coating. Sometimes, GA coating may…”
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Improvement in galvanization and galvannealing characteristics of DP 590 steel by prior Cu or Cu–Sn flash coating by Manna, M., Dutta, M.

“…Galvanization of a dual phase (DP) steel surface is a challenging subject as occurrence of uncoated spots is a very common attribute in coating. In this study,…”
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Molecular Encapsulation beyond the Aperture Size Limit through Dissociative Linker Exchange in Metal–Organic Framework Crystals by Morabito, Joseph V, Chou, Lien-Yang, Li, Zhehui, Manna, Cesar M, Petroff, Christopher A, Kyada, Rutvin J, Palomba, Joseph M, Byers, Jeffery A, Tsung, Chia-Kuang

“…Under linker exchange conditions, large guests with molecular diameters 3–4 times the framework aperture size have been encapsulated into preformed…”
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Performance analysis of ducted marine propellers. Part I – Decelerating duct by Bontempo, R., Cardone, M., Manna, M.

“…•The axial momentum theory is applied to propellers equipped with a decelerating duct.•The most important limitations of the axial momentum theory are…”
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