Search Results - "Caja, A"

On modeling added mass and circulation terms with fast potential-flow methods for oscillating-foil propulsors by Sánchez-Caja, A., Martio, J., Viitanen, V.

“…The design of cycloidal thrusters and other oscillating foil propulsors requires fast tools that provide accurate estimates of propulsor hydrodynamic…”
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Open and ducted propeller virtual mass and damping coefficients by URANS-method in straight and oblique flow by Martio, J., Sánchez-Caja, A., Siikonen, T.

“…The virtual mass and damping coefficients of an open and ducted propeller are determined using URANS computations. Time-accurate simulations are carried out…”
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A new propulsion concept for high propulsive hydrodynamic efficiency by Sánchez-Caja, A., Martio, J., Viitanen, V.M.

“…A novel marine propulsor concept is presented for high hydrodynamic efficiency. Optimum performance is sought by thrust-producing counter-flapping foils…”
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A coupled potential–viscous flow approach for the prediction of propeller effective wakes in oblique flow by Sánchez-Caja, A., Martio, J., Siikonen, T.

“…This paper presents a method for the estimation of propeller effective wakes in oblique flows. It extends to inclined flows an approach based on correction…”
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Scale effects on tip loaded propeller performance using a RANSE solver by Sanchez-Caja, A, Gonzalez-Adalid, J, Perez-Sobrino, M, Sipilae, T

“…Traditionally, the quality of alternative propeller designs at full scale has been assessed by means of model scale tests. Due the large differences in…”
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On the enhancement of coupling potential flow models to RANS solvers for the prediction of propeller effective wakes by Sánchez-Caja, A., Martio, J., Saisto, I., Siikonen, T.

“…The calculation of the effective wake within the CFD context is usually made by combining a potential-flow method for modeling the propeller forces with a RANS…”
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Confocal laser scanning microscopy and automated petrographic image analysis in different rock types; two-dimensional images capillary pressure curves estimation and three-dimensional porosity reconstruction by Caja, Miguel A, Pérez-Jiménez, Jose Luis, León, M. F, Acero-Allard, D

“…In the past, determination of rock properties using image analysis relied upon petrographic transmitted-light images, but with limited success because of a…”
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Influence of the ambient temperature during heat pipe manufacturing on its function and heat transport ability by Čaja, A., Nemec, P., Malcho, M.

“…Heat pipe is heat transfer device working at a minimum temperature difference of evaporator and condenser. Operating temperature of the heat pipe determine by…”
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Diagenesis and reservoir quality evolution of palaeocene deep-water, marine sandstones, the Shetland-Faroes Basin, British continental shelf by Mansurbeg, H., Morad, S., Salem, A., Marfil, R., El-ghali, M.A.K., Nystuen, J.P., Caja, M.A., Amorosi, A., Garcia, D., La Iglesia, A.

“…The Palaeocene, deep-water marine sandstones recovered from six wells in the Shetland-Faroes Basin represent lowstand, transgressive and highstand systems…”
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Testing Thermal Properties of the Cooling Device with Heat Pipes by Nemec, P., Čaja, A., Malcho, M.

“…Paper deal about testing of device with heat pipes and about research alternative possible applications of heat pipes and potential Improvements In purpose…”
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Diagenetic alterations related to marine transgression and regression in fluvial and shallow marine sandstones of the Triassic Buntsandstein and Keuper sequence, the Paris Basin, France by El-ghali, M.A.K., Morad, S., Mansurbeg, H., Caja, Miguel A., Sirat, M., Ogle, N.

“…The distribution of diagenetic alterations in Triassic fluvio-deltaic, quartzarenitic to sublitharenitic, lowstand systems tract (LST) sandstones of the Grès á…”
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Hydrothermal alteration of magmatic titanite; evidence from Proterozoic granitic rocks, southeastern Sweden by Morad, Sadoon, El-Ghali, Mohamed A. K, Caja, Miguel A, Al-Ramadan, Khalid, Mansurbeg, Howri

“…Magmatic titanite in Proterozoic granitic rocks from southeastern Sweden has been subjected to hydrothermal dissolution and replacement by finely crystalline…”
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Evaluation of endplate impact on tip loaded propeller performance using a RANSE solver by Sánchez-Caja, A., González-Adalid, J., Pérez-Sobrino, M., Saisto, I.

“…Systematic variations of the endplate geometry for two endplate propellers are made in order to assess the impact of the blade tip shape on propeller…”
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Diagenetic evolution and porosity destruction of turbiditic hybrid arenites and siliciclastic sandstones of foreland basins; evidence from the Eocene Hecho Group, Pyrenees, Spain by Mansurbeg, H, Caja, M. A, Marfil, R, Morad, S, Remacha, E, Garcia, D, Martín-Crespo, T, El-Ghali, M. A. K, Nystuen, J. P

“…This study aims to unravel the impact of diagenetic alterations on porosity loss of foreland-basin turbiditic hybrid arenites and associated siliciclastic…”
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Distribution of diagenetic alterations within depositional facies and sequence stratigraphic framework of fluvial sandstones: Evidence from the Petrohan Terrigenous Group, Lower Triassic, NW Bulgaria by El-Ghali, Mohamed Ali Kalefa, Morad, Sadoon, Mansurbeg, Howri, Caja, Miguel Angel, Ajdanlijsky, George, Ogle, Neil, Al-Aasm, Ihsan, Sirat, Manhal

“…Sequence stratigraphy of fluvial deposits is a controversial topic because changes in relative sea level will eventually have indirect impact on the spatial…”
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Meteoric-water diagenesis in late Cretaceous canyon-fill turbidite reservoirs from the Espírito Santo Basin, eastern Brazil by Mansurbeg, H., De Ros, L.F., Morad, S., Ketzer, J.M., El-Ghali, M.A.K., Caja, M.A., Othman, R.

“…Parameters controlling the diagenetic evolution of passive margin, marine turbidites, which are important targets of hydrocarbon exploration, are poorly…”
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Particulate matter measurement by using the particle sizers APS and SMPS by Holubčík, M., Jandačka, J., Ďurčanský, P., Čaja, A.

“…Currently, there is an increasing trend in the use of biomass for energy purposes, due to global pressure on the use of renewable energy sources and a gradual…”
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Hydrothermal alteration of plagioclase in granitic rocks from Proterozoic basement of SE Sweden by Morad, S., El-Ghali, M. A. K., Caja, M. A., Sirat, M., Al-Ramadan, K., Mansurbeg, H.

“…Petrographic examinations and electron microprobe analyses of Proterozoic granitic rocks, SE Sweden aimed to characterize and unravel the mechanisms and…”
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The impacts of cooling construction on the ability distract the heat of condensation part of the heat pipe by Čaja, A., Nemec, P., Malcho, M., Gavlas, S.

“…Heat pipes as cooling devices have a high potential. Their power to affect a variety of factors - the vapour pressure, the amount of media work etc. Itis…”
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Significance of organic matter in Eocene turbidite sediments (SE Pyrenees, Spain) by Caja, M. A, Permanyer, A

“…Although turbidite deposits are classically considered to be good reservoir rocks for oil and gas, there are no reports concerning their source rock potential…”
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