dynamic power fluid riser

dynamic power fluid riser

FLUID DYNAMIC LOADING ON CURVED RISER PIPES

A catenary riser is subject to fluid dynamic loading as a combination of waves and current and ... The power spectra density for the forces in x-, y- and z- directions are shown in Figure 3. The ...

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Dynamic Analysis for an Internally Coupled Fluid/Riser

2017-12-5 · fluid coupling impact on the system‟s dynamic performance. The coupling through the fluid and centralizers can be optimally designed such that an inner pipe acts as a vibration absorber to the outer casing. INTRODUCTION A riser is a fluid conduit from subsea equipment to the surface floating production system such as a Spar or TLP. It is a key

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Dynamic Analysis for an Internally Coupled Fluid/Riser ...

2010-12-22 · A top-tensioned riser generally consists of outer casing, inner casing and tubing. The pipes are coupled either through fluids in the annuli or through intermediate guides (centralizers) or through both. This paper investigates the dynamic analysis for such an internally coupled fluid/ riser system.

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Computational fluid dynamic model of nonisothermal ...

2020-12-1 · This study developed the computational fluid dynamics model of the nonisothermal circulating fluidized bed riser which included effect of the cooling water tube. The simulation procedure found the suitable grid number and simulation time of 420,000 cells and 100 s, respectively.

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Dynamic modeling and simulation of a riser‐type fluid ...

2004-2-2 · A dynamic model is developed for a fluid catalytic cracking (FCC) unit to describe the dynamic behavior of both the riser and the regenerator reactors and their interactions. The cracking reactions are simulated by the four-lumped kinetic model [1].

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Computational Fluid Dynamics study of the CREC Riser ...

2017-7-1 · The CREC Riser Simulator is a reactor where performance of the catalyst can be analyzed using in the order of 1 g Fig. 1 provides a schematic diagram of CREC Riser Simulator Reactor and its auxiliary components. As shown in Fig. 1a, the CREC Riser Simulator includes two sections: an outer section and a lower section. These two sections can be easily disassembled allowing the loading and ...

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Dynamic stability of a submerged, free-hanging riser ...

2005-2-23 · According to existing theory, a free-hanging riser can be unstable at very low convection speed of the flow in the pipe. However, there is a contradiction between theory and experiments. The theory predicts unstable behaviour for undamped pipes at infinitely small fluid velocity [4], [5], [6]. On the contrary, in experiments with submerged ...

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Dynamic Modeling and Simulation of Fluid Catalytic ...

2019-11-1 · This study developed and simulated a dynamic mathematical model for a Fluid Catalytic Cracking Unit (FCCU) riser reactor with consideration of coke deposition on the catalyst in the overall mass balance of the system. It also proposed a mathematical model that accounts for the dynamic effect of coke deposition on the hydrodynamics of the FCCU riser.

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Fluid Power System Dynamics - oylair

2021-5-4 · Fluid power is the transmission of forces and motions using a confined, pressurized fluid. In hydraulic fluid power systems the fluid is oil, or less commonly water, while in pneumatic fluid power systems the fluid is air. Fluid power is ideal for high speed, high force, high power applica-tions.

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VIV of Flexible Riser Conveying Internal Fluid Subjected ...

2020-8-19 · riser is reflected in the following dynamic equation of the structure: , 2,w 42x Ä t t t w «» w¬¼ (3) 2,w 42y, t t t w «» w¬¼ Ä (4) where L is the length of the riser, ms is the structural mass per unit length of the riser, mi is the internal fluid mass inside per unit length of

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FLUID DYNAMIC LOADING ON CURVED RISER PIPES

A catenary riser is subject to fluid dynamic loading as a combination of waves and current and ... The power spectra density for the forces in x-, y- and z- directions are shown in Figure 3. The ...

Read More
Dynamic Analysis for an Internally Coupled Fluid/Riser ...

2010-12-22 · A top-tensioned riser generally consists of outer casing, inner casing and tubing. The pipes are coupled either through fluids in the annuli or through intermediate guides (centralizers) or through both. This paper investigates the dynamic analysis for such an internally coupled fluid/ riser system.

Read More
Dynamic Analysis for an Internally Coupled Fluid/Riser

2017-12-5 · fluid coupling impact on the system‟s dynamic performance. The coupling through the fluid and centralizers can be optimally designed such that an inner pipe acts as a vibration absorber to the outer casing. INTRODUCTION A riser is a fluid conduit from subsea equipment to the surface floating production system such as a Spar or TLP. It is a key

Read More
Fluid Dynamic Loading on Curved Riser Pipes | J. Offshore ...

2003-7-11 · Fluid Dynamic Loading on Curved Riser Pipes. Contributed by the OOAE Division for publication in the JOURNAL OF OFFSHORE MECHANICS AND ARCTIC ENGINEERING. Manuscript received July 2001; final revision May 2002. Associate Editor: D. Morrison. Miliou, A., Sherwin, S. J., and Graham, J. M. R. (July 11, 2003). "Fluid Dynamic Loading on Curved Riser ...

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Dynamic modeling and simulation of a riser‐type fluid ...

2004-2-2 · A dynamic model is developed for a fluid catalytic cracking (FCC) unit to describe the dynamic behavior of both the riser and the regenerator reactors and their interactions. The cracking reactions are simulated by the four-lumped kinetic model [1].

Read More
Computational Fluid Dynamics study of the CREC Riser ...

2017-7-1 · The CREC Riser Simulator is a reactor where performance of the catalyst can be analyzed using in the order of 1 g Fig. 1 provides a schematic diagram of CREC Riser Simulator Reactor and its auxiliary components. As shown in Fig. 1a, the CREC Riser Simulator includes two sections: an outer section and a lower section. These two sections can be easily disassembled allowing the loading and ...

Read More
Modeling of gas-solid flow in a CFB riser based on ...

2012-11-21 · A three-dimensional model for gas-solid flow in a circulating fluidized bed (CFB) riser was developed based on computational particle fluid dynamics (CPFD). The model was used to simulate the gas-solid flow behavior inside a circulating fluidized bed riser operating at various superficial gas velocities and solids mass fluxes in two fluidization regimes, a dilute phase transport (DPT) regime ...

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Riser-Relief Valve Dynamic Interactions | J. Fluids Eng ...

1997-9-1 · The dynamic stability behavior of a typical pilot-operated relief valve has been investigated both numerically and experimentally. The valve piston equation of motion has been solved in connection with the conservation equations of the oscillating flow in the attached riser. The boundary condition at the riser tip is of a choked flow type and ...

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Modeling and boundary control of a flexible

2013-5-5 · In this paper, vibration reduction of a flexible marine riser with time-varying internal fluid is studied by using boundary control method and Lyapunov’s direct method. To achieve more accurate and practical riser’s dynamic behavior, the model of marine

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Integrated FCC Riser - Regenerator Dynamics studied in

2008-12-19 · Integrated FCC Riser - Regenerator Dynamics studied in a Fluid Catalytic Cracking Pilot Plant ... The dynamic simulation of the Fluid Catalytic Cracking (FCC) process is a challenging ... valves and the power to electrical heaters are controlled by numerous PID controllers. 6.

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FLUID DYNAMIC LOADING ON CURVED RISER PIPES

A catenary riser is subject to fluid dynamic loading as a combination of waves and current and ... The power spectra density for the forces in x-, y- and z- directions are shown in Figure 3. The ...

Read More
Fluid Dynamic Loading on Curved Riser Pipes | J. Offshore ...

2003-7-11 · Fluid Dynamic Loading on Curved Riser Pipes. Contributed by the OOAE Division for publication in the JOURNAL OF OFFSHORE MECHANICS AND ARCTIC ENGINEERING. Manuscript received July 2001; final revision May 2002. Associate Editor: D. Morrison. Miliou, A., Sherwin, S. J., and Graham, J. M. R. (July 11, 2003). "Fluid Dynamic Loading on Curved Riser ...

Read More
Dynamic Analysis for an Internally Coupled Fluid/Riser

A top-tensioned riser generally consists of outer casing, inner casing and tubing. The pipes are coupled either through fluids in the annuli or through intermediate guides (centralizers) or through both. This paper investigates the dynamic analysis for such an internally coupled fluid/ riser system.

Read More
Computational Fluid Dynamics study of the CREC Riser ...

2017-7-1 · The CREC Riser Simulator is a reactor where performance of the catalyst can be analyzed using in the order of 1 g Fig. 1 provides a schematic diagram of CREC Riser Simulator Reactor and its auxiliary components. As shown in Fig. 1a, the CREC Riser Simulator includes two sections: an outer section and a lower section. These two sections can be easily disassembled allowing the loading and ...

Read More
Riser-Relief Valve Dynamic Interactions | J. Fluids Eng ...

1997-9-1 · The dynamic stability behavior of a typical pilot-operated relief valve has been investigated both numerically and experimentally. The valve piston equation of motion has been solved in connection with the conservation equations of the oscillating flow in the attached riser. The boundary condition at the riser tip is of a choked flow type and ...

Read More
Modeling of gas-solid flow in a CFB riser based on ...

2012-11-21 · A three-dimensional model for gas-solid flow in a circulating fluidized bed (CFB) riser was developed based on computational particle fluid dynamics (CPFD). The model was used to simulate the gas-solid flow behavior inside a circulating fluidized bed riser operating at various superficial gas velocities and solids mass fluxes in two fluidization regimes, a dilute phase transport (DPT) regime ...

Read More
Integrated FCC Riser - Regenerator Dynamics studied in

2008-12-19 · Integrated FCC Riser - Regenerator Dynamics studied in a Fluid Catalytic Cracking Pilot Plant ... The dynamic simulation of the Fluid Catalytic Cracking (FCC) process is a challenging ... valves and the power to electrical heaters are controlled by numerous PID controllers. 6.

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Computational fluid dynamics simulation of methanol to ...

2021-2-11 · The risers of a conventional fluidized bed reactor and a stage fluidized bed reactor for the convention of methanol to olefins (MTO) were simulated using computational fluid dynamics. The reaction rates of the MTO reaction were validated to successfully match with the literature experiment. Then, the reactor stage parameters were examined by using the 2k design of the experiment method ...

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Modeling and boundary control of a flexible

2013-5-5 · In this paper, vibration reduction of a flexible marine riser with time-varying internal fluid is studied by using boundary control method and Lyapunov’s direct method. To achieve more accurate and practical riser’s dynamic behavior, the model of marine

Read More
Dynamic Fluid Components, Inc. - Dynamic Fluid

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