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Gate Valve Parametric Study

Aim:-> To perform parametric study on gate valve simulation in ANSYS Fluent. Theory:- Fig: Gate valve schematic diagram   As shown in above figure, gate valve's main components are body, seat, gate, stem, bonnet, and actuator. The primary operation mechanism is straightforward. Turning the handwheel rotates…

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    Read more Projects by Smitesh Badnapurkar (41)

    Discretization of 3D intake manifold using GEM-3D

    Objective:

    Aim:-> To perform discretization of intake manifold with converting it in 1D circuit model from 3D model and observing effect of discretization length on result.    Theory: Discretization is the splitting of large parts into smaller sections to improve a model's accuracy. There are two ways in which a fluid…

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    07 Sep 2021 03:50 PM IST

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    Conjugate heat transfer analysis of exhaust Port

    Objective:

    Aim:-> Conjugate heat transfer (CHT) analysis of exhaust port. Theory:-  As we know heat is transferred by 3 modes i.e. Conduction, convection & radiation. Conduction:- is an exchange of energy by direct interaction between molecules of a substance containing temperature differences. Convection:- is…

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    20 Aug 2021 02:07 PM IST

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    Turbocharger Modelling using GT Power

    Objective:

    Aim:-> Study of turbocharger and its modeling using GT Suit.   Theory:- A turbocharger (technically a turbosupercharger), colloquially known as turbo, is a turbine-driven, forced induction device that increases an internal combustion engine's power output by forcing…

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    20 Aug 2021 08:11 AM IST

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      Comparison of CI and SI engine and calibration of Single cylinder CI-Engine

      Objective:

      Aim:-> To compare SI and CI engine and perform basic calibration of single cylinder CI engine.   Comparison of SI V/S CI Engine model: SI Engine CI Engine SI engine is internal combustion engine that operates on the principle of spark ignition. CI engine is internal combustion engine that operates on the principle…

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      20 Aug 2021 08:09 AM IST

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        Modelling of SI and CI engine with after-treatment device using GT Power

        Objective:

        Aim:-> Aftertreatment devices modelling for CI and SI Engines using GT Power.   Theory:  An aftertreatment system is a method or device for reducing harmful exhaust emissions from internal-combustion engines. In other words, it is a device that cleans exhaust gases to ensure the engines meet emission norms…

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        19 Aug 2021 01:05 PM IST

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          Thermodynamic analysis of tractor engine Preet 7549 model using GT Power

          Objective:

          Aim:-> Thermodynamic analysis of tractor engine Preet 7549 model.   Introduction: A tractor is an engineering vehicle specifically designed to deliver a high tractive effort (or torque) at slow speeds, for the purposes of hauling a trailer or machinery such as that used in agriculture,…

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          16 Aug 2021 08:53 AM IST

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            Geometry cleanup, boundary flagging, no hydro and full hydrodynamic simulation of S18 PFI Engine using Converge CFD

            Objective:

            Aim:-> To perform CFD simulation of PFI engine including geometry cleanup, boundary flagging, no hydro simulation and full hydrodynamic simulation.   Theory:- The purpose of typical internal combustion engines is to produce work by converting chemical energy to mechanical energy. In internal combustion engines…

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            06 Jun 2021 04:23 PM IST

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            Emission characterization on a CAT 3410 engine and comparing performances of Open W piston and Omega piston using Converge CFD

            Objective:

            Aim:-> Setting combustion simulation for diesel engine and comparing result between open W piston and omega piston.   Theory:- The purpose of typical internal combustion engines is to produce work by converting chemical energy to mechanical energy. In internal combustion engines chemical energy in the fuel…

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            01 Jun 2021 02:20 PM IST

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            Literature review of RANS model

            Objective:

            Literature review of RANS Model   Reynolds Number:- It is the non-dimensional number, as it is ratio of two similar quantities (force). The Reynolds number is expressed as ratio of inertial force to viscous force within a fluid. The Reynolds number is term, which tells behavior of fluid. As inertial force is less,…

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            07 May 2021 10:19 AM IST

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            Shock tube simulation using Converge CFD

            Objective:

            Aim:-> To setting up shock tube simulation using Converge CFD.   Theory:- The shock tube is an instrument used to replicate and direct blast waves at a sensor or a model in order to simulate actual explosions and their effects, usually on a smaller scale. Or in simple language shock tubes are devices…

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            01 May 2021 06:38 PM IST

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            Conjugate heat transfer simulation of flow through pipe using Converge CFD

            Objective:

            Aim:-> Conjugate heat transfer simulation of pipe using Converge CFD   Theory:- As we know heat is transferred by 3 modes i.e. Conduction, convection & radiation. Conduction:- is an exchange of energy by direct interaction between molecules of a substance containing temperature differences. Convection:- is…

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            30 Apr 2021 12:30 PM IST

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            Simulation of Prandtl-Meyer Shock problem at various sub-grid criterion

            Objective:

            Aim:-> To simulate Prandalt Mayer shock wave problem at various sub grid criterion.   Theory:- Shock wave: A wave is a propagating dynamic disturbance (change from equilibrium) of one or more quantities. A shock wave or shock, is a type of propagating disturbance that moves faster…

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            17 Apr 2021 01:25 PM IST

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              Transient simulation of flow over a throttle body using Converge 3.0

              Objective:

              Aim:-> To perform transient simulation of flow over throttle body.   Theory:- In a traditional spark ignition gasoline engine, the throttle body is the part of the air intake system that controls the amount of air that flows into an engine's combustion chamber. It consists of a housing unit that contains a…

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              12 Apr 2021 08:53 AM IST

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                Flow over a backward facing step using Coverge

                Objective:

                Aim:-> To compare the result for flow over backward facing step at various mesh sizes.   Theory:- Backward Facing Step (BFS) flow, also called as “sudden expansion flows”, “circular expanding flow”, “back-step flow”, “diverging channel” or “backward flow”.…

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                07 Apr 2021 04:41 PM IST

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                  Preparing reduced chemical reaction mechanism

                  Objective:

                  Aim:-> To sort reactions present in gri.30 mechanism as per sensitivity then create reduced mechanism using the sorted reactions and finally compare ignition delay and maximum temperature (Adiabatic Flame Temperature) of reduced mechanism with original gri.30 mechanism.   Theory:-  Reaction mechanism:…

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                  22 Mar 2021 11:38 AM IST

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                    1D Combustion flame-speed simulation for Methane and Hydrogen combustion using Python & Cantera

                    Objective:

                    Aim:-> To perform 1D combustion flame speed analysis using Cantera and Python coding.   Theory:- Flame:  Flame word is originated from Latin word 'flamma'. A flame is the visible gaseous part of fire generated due to exothermic reaction in very small area. The flame occupies a small portion of the…

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                    28 Feb 2021 04:17 AM IST

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                      Sensitivity analysis of Methane combustion using Python and Cantera

                      Objective:

                      Aim:-> To compute sensitivities of various reactions in GRI 3.0 mechanism for methane combustion.    Theory:- As we know any combustion reaction consists of number of intermediate chemical reactions and chemical species before complete combustion takes place which affects the entire reaction process.…

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                      19 Feb 2021 05:08 PM IST

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                        Analysis of auto ignition temperature and ignition delay using Cantera and Python

                        Objective:

                        Aim:-> To observe the effect of initial temperature and pressure on ignition delay and ignition temperature using Python and Cantera.   Theory:-  Auto ignition temperature:  In the context of a combustible fuel mixture, the auto-ignition temperature is the lowest temperature at which the fuel will…

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                        11 Feb 2021 05:11 PM IST

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                          Direct numerical simulation of 1D linear convection equation using MATLAB / Octave

                          Objective:

                          Objective:-> To compare velocity profile of square wave between original and final velocity at different number of nodes.   Theory:- We have 1D linear convection as- `(delu)/(delt)+ C(delu)/(delx)=0` The above equation is restricted to 1D only that's why the velocity propagate only in single direction…

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                          06 Feb 2021 09:56 AM IST

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                          Solving system of stiff ODE's using multivariate Newton Raphson method in Python

                          Objective:

                          Aim:-> To solve ODE's using multivariant Newton Raphson method   Introduction:- The Newton Raphson method is used to get the solutions of nonlinear equations system. The Newton-Raphson method (also known as Newton's method) is a way to find an approximation for the root of a real-valued function…

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                          05 Feb 2021 04:03 PM IST

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                            Importance of stability in solution for solving ODE's

                            Objective:

                            Objective:- To understand importance of stability in solution for solving ODE's.    Theory:- Differential equation: An ordinary differential equation (ODE) is a differential equation containing one or more functions of one independent variable and the derivatives of those functions. And a differential equation…

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                            01 Feb 2021 04:04 PM IST

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                              Compact Notation Derivation for a simple Mechanism

                              Objective:

                              Objective:- To derive compact notations for chemical reaction mechanism   Rate of reaction:  Reaction rate or a rate of reaction is a term generally used in chemistry which defines the speed at which a chemical reaction proceeds. It is often expressed in terms of either the concentration (amount…

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                              27 Jan 2021 04:59 PM IST

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                                Comparison of simulation results for flow through pipe with different boundary condition using OpenFoam

                                Objective:

                                Aim:-> To obtain and compare simulation result with "symmetry" boundary condition and "wedge" boundary condition at different wedge angles (10, 25 & 45 degrees). Theory:- As we are considering circular pipe which is symmetric about central axis so instead of taking whole pipe cross section let us consider wedge…

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                                26 Jan 2021 01:17 PM IST

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                                Simulation of Flow through a pipe using OpenFoam

                                Objective:

                                Aim:-> To simulate flow through the pipe using icoFoam solver in OpenFoam. Theory:- As we are considering circular pipe which is symmetric about central axis so instead of taking whole pipe cross section let us consider wedge (sector) of pipe only. Taking such sector and simulating it by using symmetrical boundary…

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                                26 Jan 2021 11:45 AM IST

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                                Simulation of fluid flow over backward facing step using OpenFoam

                                Objective:

                                Objective:-> To simulate the flow of fluid through backward facing step using icoFoam solver. Mesh specification: Number of cells along the x direction (longer dimension) = 200 Number of cells along the y direction = 10 Number of cells along the z direction = 1 Boundary condition specification: Geometry dimensions…

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                                26 Jan 2021 11:36 AM IST

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                                1D Super-sonic nozzle flow simulation using Macormack Method in Octave / MATLAB

                                Objective:

                                Aim:-> To perform numerical flow simulation of quasi 1D subsonic-supersonic nozzle using MacCormack technique with conservative and non conservative methods.   Theory:-  MacCormack technique:- MacCormack method is an explicit finite difference technique which is second order accurate in both time…

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                                26 Jan 2021 10:58 AM IST

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                                Effect of preheating temperature on combustion efficiency and AFT using Python and Cantera.

                                Objective:

                                Aim:-> To observe effect of preheating temperature on adiabatic flame temperature (AFT) and combustion efficiency.   Theory:-  Industrial furnaces are used for carrying out certain processes that require heat. Heat in the furnace is provided by either Chemical energy (like fuels, coals), Electrical energy…

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                                24 Jan 2021 03:36 PM IST

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                                  Adiabatic flame temperature calculation using Cantera

                                  Objective:

                                  Aim:-> To calculate and observe effect of equivalence ratio, variable heat loss and variation of hydrocarbon species on adiabatic flame temperature (AFT) using python and Cantera. Theory:-  Adiabatic flame temperature (AFT): This temperature is defined as the temperature that is achieved by allowing fuel to…

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                                  20 Jan 2021 12:10 PM IST

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                                    Combustion simulation of methane injected to analyze the mass fraction of pollutants using ANSYS Fluent

                                    Objective:

                                    Aim:-> Combustion simulation on combustor model using ANSYS fluent and to analyze effects of adding water in fuel on pollutants (NOx & Soot) generation. Theory:-  Combustion:  Combustion or burning is a high temperature exothermic chemical reaction between a fuel (hydrocarbons) and an oxidant (air) accompanied…

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                                    19 Jan 2021 08:02 AM IST

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                                    Analysis of Cyclone Separator using discrete phase method (DPM)

                                    Objective:

                                    Aim:-> To perform CFD analysis on cyclone separator. Theory:- Cyclone separator:- It is the separation devices which works on principle of inertia to remove particulate matter from flue gases. Cyclone separators is one of many air pollution control devices, known as pre-cleaners since they generally remove…

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                                    19 Jan 2021 07:55 AM IST

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                                    Gate Valve Parametric Study

                                    Objective:

                                    Aim:-> To perform parametric study on gate valve simulation in ANSYS Fluent. Theory:- Fig: Gate valve schematic diagram   As shown in above figure, gate valve's main components are body, seat, gate, stem, bonnet, and actuator. The primary operation mechanism is straightforward. Turning the handwheel rotates…

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                                    01 Jan 2021 05:02 AM IST

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                                      Analysis of Steady and Unsteady flow over a cylinder

                                      Objective:

                                      Objective :-> Simulate flow over a cylinder for study of following parameters- Phenomenon of Karman vortex street. To obtain Strouhal number at Reynolds number=100. To compare `C_d` (drag coefficient) for different Reynolds number. Theory:- In fluid dynamics vortex shedding is an oscillating flow that takes…

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                                      24 Dec 2020 02:43 PM IST

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                                        Aerodynamic flow simulation on Ahmed Body in ANSYS fluent

                                        Objective:

                                        Aim:-> To perform aerodynamic flow simulation on Ahmed body. Theory:- Ahmed body:-  The Ahmed body is a bluff body or rather a generic car body (a simplified vehicle model). The air flow around the Ahmed Body captures the essential flow features around an automobile and was first defined and characterized in the…

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                                        24 Dec 2020 02:41 PM IST

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                                          Solving ODE of simple pendulum motion using Octave / MATLAB

                                          Objective:

                                          Our objective is to write a program that solves the following ODE. The following ODE represents the equation of motion of a simple pendulum with damping. `(d^2theta)/(dt^2)+b/m (d theta)/dt + g/L sintheta = 0` where,  g = gravity in m/s2, L = length of the pendulum in m, m = mass of the ball in kg, b = damping coefficient.…

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                                          24 Dec 2020 02:35 PM IST

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                                          Finite Volume Method (FVM) Literature Review

                                          Objective:

                                          Finite Volume Method (FVM):- It is a numerical discretization method for the approximation of a single or a system of partial differential equations (PDEs). These partial differential equations (PDEs) are frequently called as conservation laws. These PDEs may be parabolic, elliptical or hyperbolic in nature.…

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                                          24 Dec 2020 02:33 PM IST

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                                          Numerical solution of 2D heat conduction equation using iterative techniques in Octave / MATLAB

                                          Objective:

                                          Objective:-> To solve the 2D steady and unsteady (Transient) heat conduction equations by using the point iterative techniques. Following iterative technique can be used. Jacobi Gauss-seidel Successive over-relaxation Given data:-  Top Boundary = 600 K Bottom Boundary = 900 K Left Boundary = 400 K Right Boundary…

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                                          24 Dec 2020 02:30 PM IST

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                                          Conjugate heat transfer analysis on a graphics card (electronic part cooling) using ANSYS fluent

                                          Objective:

                                          Aim:-> Conjugate heat transfer analysis on graphic card using ANSYS Fluent. Theory: Conjugate heat transfer (CHT) is a type of simulation where it allows heat transfer between fluid and solid domain by exchanging thermal energy at contact surface. Here heat is exchanged at interfaces and transported by conduction…

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                                          24 Dec 2020 02:28 PM IST

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                                            Taylor Table for fourth order accurate finite difference approximation using Octave/MATLAB

                                            Objective:

                                            Objective:- To compare truncation error values between Central difference scheme, Skewed right-sided difference scheme & Skewed left-sided difference scheme for 4th order approximations of the second-order derivative. Theory:-  A Taylor series is a series expansion of a function about a point.…

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                                            24 Dec 2020 02:26 PM IST

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                                            Multi-phase flow simulation of gearbox lubricant sloshing effect

                                            Objective:

                                            Aim:-> To perform gearbox lubrication fluid sloshing simulation using user defined function (UDF) in ANSYS Fluent. Theory:-  Lubrication:- Friction is the force that resists relative motion between two bodies in contact. If friction didn’t exist, nothing would ever stop moving. We need friction to function,…

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                                            24 Dec 2020 02:06 PM IST

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                                              Truncation error analysis at different order of approximation in Finite difference method using Matlab.

                                              Objective:

                                              Our objective is to calculate 'first derivative' of function f(x) at `x=pi/3` by using approximation method (first order, second order and fourth order approximations) at diffrent values of 'dx' . After calculating derivative we have to calculate truncation error for first, second and fourth order approximation…

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                                              24 Dec 2020 01:53 PM IST

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                                              Rayleigh Taylor Instability phenomenon

                                              Objective:

                                              Aim:-> To understand Phenomenon of Rayleigh Taylor instability using simulation on ANSYS fluent.  Theory:- When a heavy fluid is kept over a light fluid under a gravity or under an external acceleration of the fluid system in the direction toward the denser fluid, the fluid interface becomes unstable. Such…

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                                              03 Dec 2020 12:11 AM IST

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