13 10 197 Dublin Core The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/. Title A name given to the resource Journal of Naval Architecture and Marine Engineering Dublin Core The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/. Creator An entity primarily responsible for making the resource Kumar, Rushi Gangadhar, K. Date A point or period of time associated with an event in the lifecycle of the resource 2012-12-26 Description An account of the resource This work is focused on the numerical solution of a two-dimensional, steady, incompressible electrically conducting, laminar free convection boundary layer flow of a continuously moving vertical porous plate in the presence of a transverse magnetic field and heat generation. The basic equations governing the flow are in the form of partial differential equations and have been reduced to a set of non-linear ordinary differential equations by applying suitable similarity transformations. The problem is solved numerically using shooting techniques with the forth order Runge-Kutta method. The physical behavior of different parameters for velocity, temperature and concentration has been examined graphically and analyzed quantitatively.DOI: http://dx.doi.org/10.3329/jname.v9i2.8550 Journal of Naval Architecture and Marine Engineering 9(2012) 153-167 Format The file format, physical medium, or dimensions of the resource application/pdf Identifier An unambiguous reference to the resource within a given context https://www.banglajol.info/index.php/JNAME/article/view/8550 10.3329/jname.v9i2.8550 Language A language of the resource eng Publisher An entity responsible for making the resource available Association of Naval Architects and Marine Engineers Relation A related resource https://www.banglajol.info/index.php/JNAME/article/view/8550/9470 Source A related resource from which the described resource is derived Journal of Naval Architecture and Marine Engineering; Vol. 9 No. 2 (2012); 153-162 2070-8998 1813-8535 Subject The topic of the resource MHD free convection heat generation moving vertical plate Title A name given to the resource Heat generation effects on MHD boundary layer flow of a moving vertical plate with suction Type The nature or genre of the resource info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Dublin Core The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/. Title A name given to the resource Journal of Naval Architecture and Marine Engineering Dublin Core The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/. Creator An entity primarily responsible for making the resource Billah, Md. Masum Munshi, M. J. H. Azad, A. K. Uddin, M. S. Rahman, M. M. Date A point or period of time associated with an event in the lifecycle of the resource 2012-12-19 Description An account of the resource The present study is conducted to investigate heat and fluid flow in an open channel having a circular heater on the bottom surface under magnetic field. The semi-circle is heated isothermally and the other walls of the channel are kept adiabatic. The consequent mathematical model is governed by the coupled equations of mass, momentum and energy and solved by employing Galerkin weighted residual method of finite-element technique. A wide range of pertinent parameters such as Rayleigh numbers (Ra), and Hartmann numbers (Ha) are considered in the present study. In addition, the mixed convection regime is occurred due to buoyancy and shear forces. Various characteristics such as streamlines, isotherms and heat transfer rate in terms of the average Nusselt number (Nuav), average fluid temperature (?av), and Drag force (D) is investigated for the aforesaid parameters. The magnetic field is found as a control parameter on heat and fluid flow, particularly at higher Rayleigh numbers. It is observed that Hartmann numbers have a significant effect on average Nusselt number, average fluid temperature and Drag force.DOI: http://dx.doi.org/10.3329/jname.v9i2.8020 Journal of Naval Architecture and Marine Engineering 9(2012) 81-90 Format The file format, physical medium, or dimensions of the resource application/pdf application/msword Identifier An unambiguous reference to the resource within a given context https://www.banglajol.info/index.php/JNAME/article/view/8020 10.3329/jname.v9i2.8020 Language A language of the resource eng Publisher An entity responsible for making the resource available Association of Naval Architects and Marine Engineers Relation A related resource https://www.banglajol.info/index.php/JNAME/article/view/8020/9337 https://www.banglajol.info/index.php/JNAME/article/view/8020/26811 Source A related resource from which the described resource is derived Journal of Naval Architecture and Marine Engineering; Vol. 9 No. 2 (2012); 81-90 2070-8998 1813-8535 Subject The topic of the resource Penalty finite element method channel flow magnetohydrodynamics circular heater open cavity Title A name given to the resource Numerical simulation of magneto-hydrodynamics mixed convection in an open channel having a semi-circular heater Type The nature or genre of the resource info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Dublin Core The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/. Title A name given to the resource Journal of Naval Architecture and Marine Engineering Dublin Core The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/. Creator An entity primarily responsible for making the resource Nasrin, Rehena Alim, MA Date A point or period of time associated with an event in the lifecycle of the resource 2012-05-26 Description An account of the resource In this paper, hydromagnetic flow and thermal behaviors of fluid on free and forced convection inside an octagonal vertical channel are investigated. The channel consists of a centered heat generating hollow solid circular cylinder. The vertical and inclined walls of the octagon are insulated perfectly. The input and output opening are situated at the bottom and top surface respectively. The octagon is filled with electrically conducting fluid. The integral forms of the governing equations are solved numerically using Galerkin’s Weighted Residual Finite Element method. Computational domains are divided into finite numbers of body fitted control volumes with collocated variable arrangement. Results are presented in the form of average Nusselt number (Nu) and maximum temperature (?max) of the fluid for a selected range of magnetic parameter Hartmann number Ha (0 - 50). Streamlines and isothermal lines are also displayed for three different values (0.1, 1 and 10) of convection parameter (Ri) and for a fluid having magnetic field. The results indicate that the highest Nu and ?max are found for the absence of Ha in all convection regions. DOI: http://dx.doi.org/10.3329/jname.v9i1.7891 Journal of Naval Architecture and Marine Engineering 9(2012) 25-34 Format The file format, physical medium, or dimensions of the resource application/pdf Identifier An unambiguous reference to the resource within a given context https://www.banglajol.info/index.php/JNAME/article/view/7891 10.3329/jname.v9i1.7891 Language A language of the resource eng Publisher An entity responsible for making the resource available Association of Naval Architects and Marine Engineers Relation A related resource https://www.banglajol.info/index.php/JNAME/article/view/7891/8027 Source A related resource from which the described resource is derived Journal of Naval Architecture and Marine Engineering; Vol. 9 No. 1 (2012); 25-34 2070-8998 1813-8535 Subject The topic of the resource Heat generation circular cylinder octagonal channel free and forced magnetoconvection finite element method Title A name given to the resource Laminar Free and Forced magnetoconvection through an Octagonal Channel with a Heat Generating Circular Cylinder Type The nature or genre of the resource info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Numerical Dublin Core The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/. Title A name given to the resource Journal of Naval Architecture and Marine Engineering Dublin Core The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/. Creator An entity primarily responsible for making the resource Thuvanismail, Nasar Sannasi, Sannasiraj Vallam, Sundar Date A point or period of time associated with an event in the lifecycle of the resource 2012-06-17 Description An account of the resource The sloshing phenomenon of liquid in a partially filled tank mounted rigidly on a barge exposed to random beam waves has been investigated through a well controlled experimental program. Four relative liquid depths, (liquid depth, hs/ length of tank, l) of 0.163, 0.325, 0.488 and 0.585 were considered for the tests. The sloshing oscillation was measured along the length of the tank at predefined locations. The effect of variation of the peak wave excitation frequency on the sloshing oscillation in the frequency domain is studied. The dominant energy is found to be concentrated around lowest nth sloshing mode frequency and, secondary peaks are observed at higher order sloshing frequencies. Odd modes contributions are dominating even modes irrespective of the excitation peak frequency. The sacrifice of second mode is observed while the excitation peak frequency is closer to its primary resonance. DOI: http://dx.doi.org/10.3329/jname.v9i1.7600 Journal of Naval Architecture and Marine Engineering 9(2012) 43-65 Format The file format, physical medium, or dimensions of the resource application/pdf Identifier An unambiguous reference to the resource within a given context https://www.banglajol.info/index.php/JNAME/article/view/7600 10.3329/jname.v9i1.7600 Language A language of the resource eng Publisher An entity responsible for making the resource available Association of Naval Architects and Marine Engineers Relation A related resource https://www.banglajol.info/index.php/JNAME/article/view/7600/8001 Source A related resource from which the described resource is derived Journal of Naval Architecture and Marine Engineering; Vol. 9 No. 1 (2012); 43-65 2070-8998 1813-8535 Subject The topic of the resource Random wave barge response sloshing oscillation natural mode frequency secondary resonance parametric resonance Title A name given to the resource Liquid sloshing dynamics in a barge carrying container subjected to random wave excitation Type The nature or genre of the resource info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Quasi-experimental Dublin Core The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/. Title A name given to the resource Journal of Naval Architecture and Marine Engineering Dublin Core The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/. Creator An entity primarily responsible for making the resource Gorla, Rama Subba Reddy Chamkha, Ali J. Al-Meshaiei, Eisa Date A point or period of time associated with an event in the lifecycle of the resource 2012-06-16 Description An account of the resource A boundary layer analysis is presented for the warm, laminar nanoliquid fluid flow to a melting cylindrical surface moving parallel to a uniform stream. The resulting system of non-linear ordinary differential equations is solved numerically using Runge-Kutta method with shooting techniques. Numerical results are obtained for the velocity, temperature and concentration distributions, as well as the friction factor, local Nusselt number and local Sherwood number for several values of the parameters, namely, the Reynolds number, Prandtl number and nanofluid parameters. The obtained results are presented graphicallyand in tabular form and the physical aspects of the problem are discussed.DOI: http://dx.doi.org/10.3329/jname.v9i1.7416 Journal of Naval Architecture and Marine Engineering 9(2012) 1-10  Format The file format, physical medium, or dimensions of the resource application/pdf Identifier An unambiguous reference to the resource within a given context https://www.banglajol.info/index.php/JNAME/article/view/7416 10.3329/jname.v9i1.7416 Language A language of the resource eng Publisher An entity responsible for making the resource available Association of Naval Architects and Marine Engineers Relation A related resource https://www.banglajol.info/index.php/JNAME/article/view/7416/8016 Source A related resource from which the described resource is derived Journal of Naval Architecture and Marine Engineering; Vol. 9 No. 1 (2012); 1-10 2070-8998 1813-8535 Subject The topic of the resource stretching cylinder melting heat transfer nanofluid Title A name given to the resource Melting heat transfer in a nanofluid boundary layer on a stretching circular cylinder Type The nature or genre of the resource info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Dublin Core The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/. Title A name given to the resource Journal of Naval Architecture and Marine Engineering Dublin Core The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/. Creator An entity primarily responsible for making the resource Nasrin, Rehena Date A point or period of time associated with an event in the lifecycle of the resource 2011-11-22 Description An account of the resource The development of centered heat conducting obstacle effect on combined magnetoconvective flow in a lid driven chamber has been numerically studied. The enclosure considered has rectangular horizontal lower surfaces and vertical side surfaces. The lower and upper surfaces are insulated. The left wall is mechanically lid driven having uniform temperature Ti and velocity v0 while other vertical side is wavy and maintains higher temperature Th than the lid. The governing two-dimensional flow equations have been solved by using Galerkin weighted residual finite element technique. The investigations are conducted for different values of Richardson number (Ri) and physical parameter i.e. diameter (D) of square solid body. Various characteristics such as streamlines, isotherms and heat transfer rate in terms of the mean Nusselt number (Nu), the average temperature (?av) of the fluid and temperature of obstacle center (?c) are presented. The results indicate that the mentioned parameters strongly affect the flow phenomenon and temperature field inside the chamber. Conducting largest obstacle is preferable for effective heat transfer mechanism in presence of magnetic field.Keywords: Combined convection, MHD, wavy chamber, heat conducting obstacle, finite element simulation.doi: http://dx.doi.org/10.3329/jname.v8i2.7392 Journal of Naval Architecture and Marine Engineering 8(2011) 93-104 Format The file format, physical medium, or dimensions of the resource application/pdf Identifier An unambiguous reference to the resource within a given context https://www.banglajol.info/index.php/JNAME/article/view/7392 10.3329/jname.v8i2.7392 Language A language of the resource eng Publisher An entity responsible for making the resource available Association of Naval Architects and Marine Engineers Relation A related resource https://www.banglajol.info/index.php/JNAME/article/view/7392/6952 Source A related resource from which the described resource is derived Journal of Naval Architecture and Marine Engineering; Vol. 8 No. 2 (2011); 93-104 2070-8998 1813-8535 Subject The topic of the resource Combined convection MHD wavy chamber heat conducting obstacle finite element simulation Title A name given to the resource Influence of centered conducting obstacle on MHD combined convection in a wavy chamber Type The nature or genre of the resource info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Computational Fluid Dynamics Dublin Core The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/. Title A name given to the resource Journal of Naval Architecture and Marine Engineering Dublin Core The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/. Creator An entity primarily responsible for making the resource Karim, M. M. Rahman, M. M. Alim, M. A. Date A point or period of time associated with an event in the lifecycle of the resource 2011-07-04 Description An account of the resource Two-dimensional Finite Volume Method (FVM) based on Reynolds-averaged Navier-Stokes (RANS) equations is applied to solve the turbulent viscous flow around sphere and pod. Unstructured grid with boundary layer treatment is constructed around sphere whereas structured grid is generated around pod. Spalart-Allmaras (S-A) and Shear Stress Transport (SST) k-? turbulence models are used for sphere but SST k-? turbulence model is used only for pod to solve turbulent viscous flows at Reynold’s number of 5×106 and 3×106 respectively.  The numerical results in terms of the skin friction coefficient, pressure coefficient and drag coefficient are shown either graphically or in the tabular form. Velocity vectors as well as contour of pressure and velocity distribution are also displayed. Finally, the comparative study between flows around sphere and pod is done.DOI: http://dx.doi.org/10.3329/jname.v8i1.7388 Format The file format, physical medium, or dimensions of the resource application/pdf Identifier An unambiguous reference to the resource within a given context https://www.banglajol.info/index.php/JNAME/article/view/7388 10.3329/jname.v8i1.7388 Language A language of the resource eng Publisher An entity responsible for making the resource available Association of Naval Architects and Marine Engineers Relation A related resource https://www.banglajol.info/index.php/JNAME/article/view/7388/5899 Source A related resource from which the described resource is derived Journal of Naval Architecture and Marine Engineering; Vol. 8 No. 1 (2011); 49-58 2070-8998 1813-8535 Title A name given to the resource Comparative study between flows around sphere and pod using finite volume method Type The nature or genre of the resource info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Dublin Core The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/. Title A name given to the resource Journal of Naval Architecture and Marine Engineering Dublin Core The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/. Creator An entity primarily responsible for making the resource Altosole, M. Figari, Massimo Date A point or period of time associated with an event in the lifecycle of the resource 2011-12-30 Description An account of the resource In the last year, the Department of Naval Architecture and Marine Engineering of Genoa University (now Department of Naval Architecture, Marine Technology and Electrical Engineering) collaborated to the design of the propulsion automation of two different naval vessels; within these projects the authors developed different ship propulsion simulators used to design and test the propulsion control schemes. In these time-domain simulators, each propulsion component is represented by a specific mathematical model, mainly based on algebraic and differential equations. One of the key aspects of the propulsion simulation is the engine dynamics. This problem in principle can be dealt with models based on thermodynamic principles, which are able to represent in detail the behaviour of many variables of interest (engine power and speed, air and gas pressures, temperatures, stresses, etc.). However, thermodynamic models are often characterized by a long computation-time and moreover their development usually requires the knowledge of specific engine information not always available. It is generally preferable to adopt simpler simulation models, for the development of which, very few kinds of information are necessary. In fact, for the rapid prototyping of control schemes, it is generally more important to model the whole plant (in a relatively coarse way) rather than the detailed model of some components. This paper deals with simple mathematical methods, able to represent the engine power or torque only, but they can be suitably applied to many types of marine engines in a straightforward way. The proposed simulation approaches derived from the authors’ experience, gained during their activity in the marine simulation field, and they are particularly suitable for a fast prototyping of the marine propulsion control systems. The validation process of these particular models, regarding a Diesel engine, a marine gas turbine and an electric motor, is illustrated based on the sea trials data and engine manufacturers’ data. Keywords: Dynamic simulation; marine engines performance; gas turbine; propulsion control. doi: http://dx.doi.org/10.3329/jname.v8i2.7366   Journal of Naval Architecture and Marine Engineering 8(2011) 129-147 Format The file format, physical medium, or dimensions of the resource application/pdf Identifier An unambiguous reference to the resource within a given context https://www.banglajol.info/index.php/JNAME/article/view/7366 10.3329/jname.v8i2.7366 Language A language of the resource eng Publisher An entity responsible for making the resource available Association of Naval Architects and Marine Engineers Relation A related resource https://www.banglajol.info/index.php/JNAME/article/view/7366/6943 Source A related resource from which the described resource is derived Journal of Naval Architecture and Marine Engineering; Vol. 8 No. 2 (2011); 129-147 2070-8998 1813-8535 Subject The topic of the resource Dynamic simulation marine engines performance gas turbine propulsion control Title A name given to the resource Effective simple methods for numerical modelling of marine engines in ship propulsion control systems design Type The nature or genre of the resource info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Dublin Core The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/. Title A name given to the resource Journal of Naval Architecture and Marine Engineering Dublin Core The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/. Creator An entity primarily responsible for making the resource Chamkha, Ali J. Al-Amin, M. F. Aly, Abdelraheem Date A point or period of time associated with an event in the lifecycle of the resource 2011-06-01 Description An account of the resource This work is focused on the numerical solution of unsteady double-diffusive free convective flow along a vertical isothermal cylinder in the presence of a transverse magnetic field, first-order homogeneous chemical reaction, thermal radiation and Soret and Dufour effects. The Rosseland approximation is used to describe the radiative heat flux in the energy equation. The governing equations are formulated and a numerical solution is obtained by using an explicit finite-difference scheme. The solutions at each time step have been found to reach the steady state solution properly. Representative results for the fluid velocity, temperature and solute concentration profiles as well as the local heat and mass transfer rates for various values of the physical parameters are displayed in both graphical and tabular forms. DOI: http://dx.doi.org/10.3329/jname.v8i1.7250 Format The file format, physical medium, or dimensions of the resource application/pdf Identifier An unambiguous reference to the resource within a given context https://www.banglajol.info/index.php/JNAME/article/view/7250 10.3329/jname.v8i1.7250 Language A language of the resource eng Publisher An entity responsible for making the resource available Association of Naval Architects and Marine Engineers Relation A related resource https://www.banglajol.info/index.php/JNAME/article/view/7250/5869 Source A related resource from which the described resource is derived Journal of Naval Architecture and Marine Engineering; Vol. 8 No. 1 (2011); 25-36 2070-8998 1813-8535 Subject The topic of the resource Finite-difference solution MHD unsteady flow cylinder chemical reaction Soret and Dufour effects thermal radiation. Title A name given to the resource Unsteady double-diffusive natural convective MHD flow along a vertical cylinder in the presence of chemical reaction, thermal radiation and Soret and Dufour effects Type The nature or genre of the resource info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Dublin Core The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/. Title A name given to the resource Journal of Naval Architecture and Marine Engineering Dublin Core The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/. Creator An entity primarily responsible for making the resource Sakthivel, R Vengadesan, S Bhattacharyya, S K Date A point or period of time associated with an event in the lifecycle of the resource 2011-11-22 Description An account of the resource This paper addresses the Computational Fluid Dynamics Approach (CFD) to simulate the flow over underwater axisymmetric bodies at higher angle of attacks.  Three Dimensional (3D) flow simulation is carried out over MAYA Autonomous Underwater Vehicle (AUV) at a Reynolds number (Re) of 2.09×106. These 3D flows are complex due to cross flow interaction with hull which produces nonlinearity in the flow. Cross flow interaction between pressure side and suction side is studied in the presence of angle of attack. For the present study standard k-ε model, non-linear k-ε model models of turbulence are used for solving the Reynolds Averaged Navier-Stokes Equation (RANS). The non-linear k-ε turbulence model is validated against DARPA Suboff axisymmetric hull and its applicability for flow simulation over underwater axisymmetric hull is examined. The non-linear k-ε model performs well in 3D complex turbulent flows with flow separation and flow reattachment.  The effect of angle of attack over flow structure, force coefficients and wall related flow variables are discussed in detail. Keywords: Computational Fluid Dynamics (CFD); Autonomous Underwater Vehicle (AUV); Reynolds averaged Navier-Stokes Equation (RANS); non-linear k-ε turbulence modeldoi: http://dx.doi.org/10.3329/jname.v8i2.6984   Journal of Naval Architecture and Marine Engineering 8(2011) 149-163 Format The file format, physical medium, or dimensions of the resource application/pdf application/msword image/jpeg application/msword Identifier An unambiguous reference to the resource within a given context https://www.banglajol.info/index.php/JNAME/article/view/6984 10.3329/jname.v8i2.6984 Language A language of the resource eng Publisher An entity responsible for making the resource available Association of Naval Architects and Marine Engineers Relation A related resource https://www.banglajol.info/index.php/JNAME/article/view/6984/6945 https://www.banglajol.info/index.php/JNAME/article/view/6984/26734 https://www.banglajol.info/index.php/JNAME/article/view/6984/26735 https://www.banglajol.info/index.php/JNAME/article/view/6984/26736 Source A related resource from which the described resource is derived Journal of Naval Architecture and Marine Engineering; Vol. 8 No. 2 (2011); 149-163 2070-8998 1813-8535 Subject The topic of the resource Computational Fluid Dynamics (CFD) Autonomous Underwater Vehicle (AUV) Reynolds averaged Navier-Stokes Equation (RANS) non-linear k-? turbulence model Title A name given to the resource Application of non-linear k-e turbulence model in flow simulation over underwater axisymmetric hull at higher angle of attack Type The nature or genre of the resource info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Numerical