high pressure modelling

  • Modeling Study of High Pressure and High Temperature …

     · The temperature and pressure can become extremely high, e.g., up to 250 C and 2400 bar, in the deep petroleum reservoirs. Furthermore, many of these deep reservoirs are found offshore, including the North Sea and the Gulf of Mexico, making the development even more risky.

  • Modeling and Checking the Power Quality of High Pressure Sodium Vapor Lamp

    high-pressure sodium hydrogen sulfide lamps such as the increase in current harmonics, voltage distortion, produced flicker and radio interference, etc. Gas discharge lamps are one of the nonlinear devices in spite of the injection of network harmonics [39], because

  • Modeling of Industrial High Pressure Autoclave Polyethylene …

    High-pressure polyethylene processes are characterized by high reaction temperature (150-300oC) and pressure (1,000-3,000 atm). Two types of processes are commonly used: a tubular process using a very long, small-diameter tubular reactor and an autoclave ...

  • Gear Tooth Strength Analysis of High Pressure Angle …

     · T he gear tooth strength of high pressure angle gears is studied and compared with that of conventional pressure angle gears. The comparison is carried out regarding contact pressure, contact and bending stresses, and the loaded function of transmission errors.

  • CFD Modeling of Flow Through Valves

     · CFD Modeling can help to design and find the optimum pressure drop to avoid the problem of cavitation and choking as well as vibration caused by high velocity. Computational fluid dynamics (CFD) has shown good promising results in the last decade for complex flows. CFD modelling of valves predicts well internal flow pattern and pressure drop.

  • Modelling the Effect of Processing Parameters of …

    Modelling the Effect of Processing Parameters of Continuous Flow High Pressure Throttling System and Microfluidizer on Particle Size Distribution of Litha Sivanandan 1, …

  • Modelling high pressure valve | EMC3 Consulting | CFD …

    Modelling of parts from these systems, such as high pressure valve, helps to understand and keep the fluid under control. Computational Fluid Dynamics is a modelling technique with ever growing capabilities, for many types of flow and fluid.

  • High pressure common rail injection system modeling …

    High pressure common rail injection system modeling and control 1. Research Article High pressure common rail injection system modeling and control H.P. Wang n, D. Zheng, Y. Tian Sino-French International Joint Laboratory Automatic Control and ...

  • Modelling the effect of high pressure on the inactivation …

     · High‐pressure vessels The system consists of a block of six small (42 ml) high‐pressure vessels measuring 2·5 cm in diameter and 10 cm in length respectively. The vessels are closed with a unique Resato thread connection on the top of the vessel.

  • Modelling Ultra High Pressure Compaction of Powder

    Modelling Ultra High Pressure Compaction of Powder P. Jonsén, H.-Å. Häggblad, S. Berg The use of high pressure high temperature (HPHT) equipment varies; in mineral physics research the equipment is used for investigation of the earth''s interior and in

  • Modeling and Control of a Novel High-Pressure …

     · High-pressure pneumatic control valves have been widely investigated during last decades. The published literature includes experimental and analytical studies on both constant value on–off valve and pressure reducing valve, but rarely on servo valve. In this paper, a ...

  • Reliability, Availability and Maintainability (RAM) Analysis for …

    by using Reliability Block Diagram (RBD) modelling approach based on high pressure compressor located offshore platform. This RAM analysis are identified in a failure mode level of the high pressure compressor. The reliability and maintainability

  • High Pressure Casting in Sanitaryware

    high pressure casting in sanitaryware. One cycle can produce around 4 to 6 Water closets or around 36 pedestals or around 24 to 30 mix of washbasins and pedestals or even around 44 pieces of Orissa Pan. One Cycle time of high-pressure casting will be between 20 minutes to 45 minutes depends upon the sanitary ware model produced by that machine.

  • High‐Pressure Torsion: Experiments and Modeling | …

     · The high‐pressure torsion (HPT) process has been the subject of many investigations as a new method of processing for nanostructured materials due to its ability to develop nanostructures with high‐angle grain boundaries. This chapter examines the various publications describing the experimental studies of the effect of HPT on the mechanical behaviors and alterations of microstructural ...

  • Modelling and Simulation of High Pressure Processes in Food Engineering …

    Modelling and Simulation of High Pressure Processes in Food Engineering 3 where Tref is a reference temperature (K), Pref is a reference pressure (MPa), kref is the inactivation rate at reference conditions (min¡1), B is the parameter expressing the temperature dependence of ...

  • Simulation of distortion and residual stress in high pressure die casting modelling and experiments

    Simulation of distortion and residual stress in high pressure die casting – modelling and experiments P Hofer 1, E Kaschnitz, P Schumacher1,2 1Österreichisches Gießerei-Institut, Parkstraße 21, 8700 Leoben, Austria 2Lehrstuhl für Gießereikunde8700 Leoben

  • ON THE MODELLING AND SIMULATION OF HIGH PRESSURE PROCESSES AND INACTIVATION OF …

    21/01/2009 C.M.M. - Univ. de Chile - p. 1/27 ON THE MODELLING AND SIMULATION OF HIGH PRESSURE PROCESSES AND INACTIVATION OF ENZYMES IN FOOD ENGINEERING Juan Antonio Infante, Benjamin Ivorra, Angel Manuel Ramos and Jose Maria

  • Latest Advancements in Modelling and Simulation in High Pressure …

    modelling and simulation of high pressure die-casting parts. 5 ALUCAST India 2010 ALUCAST India 2010 : Christian Kleeberg - MAGMA Engineering Asia-Pacific Pte Ltd - Singapore Examples of modelling and simulation result files for filling simulation: Figure 6 ...

  • Filter cake formation on the vertical well at high temperature and high pressure…

    technique to numerically simulate filter cake formation on the vertical wellbore wall at high-pressure (25,500 psi or 175.8 MPa) and temperature (170 C) conditions. Here, the drilling fluids were treated as a two-phase system of solid particulates suspended in ...

  • Computer modeling of high-pressure leaching process of nickel …

    Milovan Milivojevic et al., Computer modeling of high-pressure leaching process of nickel laterite by design of … 3 the modern experiment theory (DOE). The optimal experi-mental design is a key advantage of this methodology in comparison to other methods of

  • High Pressure Microbial Inactivation: Modelling and | …

    DOI link for High Pressure Microbial Inactivation: Modelling and High Pressure Microbial Inactivation: Modelling and book By its Features Book Novel Food Preservation and Microbial Assessment Techniques Click here to navigate to parent product. Edition 2014 ...

  • Research Article Dynamic Modeling and Analysis of a High Pressure …

    takes a high varying inlet pressure and converts it to a nearly constant and lower desired outlet pressure. It consists of set screw, working spring, main sha, valve seat, inlet outlet chamber, sensing oric e, pressure chamber, rolling diaphragm plate, and return ...

  • Water/CO2 System at High Pressure and Temperature …

     · Due to paucity of experimental data at high pressure and high temperature conditions, a series of experiments have been performed to measure the density of both liquid and vapor phases of water/CO 2 system from 382 K to 478 K and pressures from 3.48 MPa

  • Latest Advancements in Modelling and Simulation for High Pressure …

    Modelling and simulation of processes based on general physical laws. In high pressure die casting the term ''modelling'' means the reproduction of the casting process in simulation programs. In this method, the very detailed process flow is specified as a boundary condition in a calculation.

  • High‐Pressure Torsion: Experiments and Modeling

    High‐Pressure Torsion: Experiments and Modeling - CORE Reader

  • Modeling and simulation of high pressure composite cylinders for …

    iv ABSTRACT Composite hydrogen cylinders provide an efficient means of storage of hydrogen gas for modern hydrogen vehicles. Safety issues arising from the high gas pressure, temperature variation, fire attack, and fracture failures are the main concerns.

  • Emerging challenges in phase behavior modeling of …

     · Wu et al. reported experimental high-pressure high-temperature (HPHT) density data for pure n-hexadecane, n-octadecane, and n-eicosane. They used a straightforward variable-volume, view cell technique to measure the density of n-hexadecane, n-octadecane, and n-eicosane at pressures up to 265 MPa and temperatures of 323.15 K, 423.15 K and 523.15 K.

  • Mathematical Modelling of High Pressure Processing in …

    Mathematical modelling is a tool for studying the effect of different process parameters of a system on the outcome of a process. Various mathematical models Mathematical Modelling of High Pressure Processing in Food Engineering DOI link for Mathematical

  • Modelling the thermo-mechanical behaviour of high pressure …

    Modelling the thermo-mechanical behaviour of high pressure vessel in composite materials when exposed to fire conditions Grant agreement no: 325329 THEME [SP1-JTI-FCH.2012.5.4] [Pre-normative research on fire safety of pressure vessels in composite

  • A Review of the Modeling of High Pressure Grinding Rolls

    100 mm high pressure grinding rolls at the University of California, Berkeley, USA. They studied the effect of HPGR operating parameters and developed fundamental models to simulate high pressure breakage phenomena. (Fuerstenau et al., 1991; Fuerstenau et

  • Modeling and simulation of marine high pressure common rail diesel engine

    Modeling and simulation of marine high pressure common rail diesel engine MU Xin 1, BAI Yanxiang 1, ZENG Hong 1, REN Guang 1, ZHAO Hui 2 1 Marine Engineering College, Dalian Maritime University, Dalian 116026, China; 2 703 Institute of China …

  • [PDF] Ultra-High Pressure Modeling and Experiments …

    *† ‡ The RDHWT/MARIAH II energy addition, run time, and mass flow rate requirements imply large air and nitrogen fluid volumes at the highest practical static enthalpy. The objective of the gas supply concept development is the satisfaction of ultra-high pressure (UHP), high temperature thermodynamic requirements in a facility with acceptable safety and economic risks. The primary ...

  • Modelling and Simulation of High Pressure Industrial Autoclave …

    Modelling and Simulation of High Pressure Industrial Autoclave Polyethylene Reactor Érico Caliani 1, Marcello Cavalcanti2, Fabiano A.N. Fernandes3, Liliane M.F. Lona 1Universidade Estadual de Campinas, Faculdade de Engenharia Química, Caixa Postal 6066

  • Modeling of high pressure arc-discharge with a fully …

     · This work addresses the modeling of high pressure electric discharge in an arc-heated wind tunnel. The combined numerical solution of Poisson''s equation, radiative transfer equations, and the set of Favre-averaged thermochemical nonequilibrium Navier–Stokes equations allows for the determination of the electric, radiation, and flow fields, accounting for their mutual interaction.

  • Detailed Modeling and Simulation of High-Pressure Fuel …

     · This paper provides an analysis of high-pressure phenomena and its potential effects on the fundamental physics of fuel injection in Diesel engines. In particular, we focus on conditions when cylinder pressures exceed the thermodynamic critical pressure of the injected fuel and describe the major differences that occur in the jet dynamics compared to that described by classical spray theory.

  • High pressure processing of milk: Modeling the …

     · A high pressure food processing system (QFP 2L-700, Avure Technologies, Columbus, Ohio, USA) was used for pressure and pressure combined heat treatment of B. cereus spores. The maximum pressure and temperature handled by the distilled water (the working fluid) was 690 MPa and 90 °C, respectively.

  • New measurements and modeling of high pressure thermodynamic properties of glycols

    (0.1e95) MPa pressure ranges using a DMA-HPM, coupled with a mPDS 5 unit, high pressure densimeter from Anton Paar. The measuring cell was thermostatized by circulating a heat-carrier fluid thermo-regulated, with a temperature stability of ±0.01 K,

  • High pressure common rail injection system modeling and …

     · In high pressure common rail system, common-rail pressure not only determines the injection-fuel pressure, but also is the main measurement parameter of fuel-injection. The stabilization and excessive response of common-rail pressure will directly affect starting, idling and acceleration mode of diesel engine׳s dynamic performance.

  • Modelling the Effect of Processing Parameters of …

     · Sivanandan, L., Toledo, R. & Singh, R. (2013). Modelling the Effect of Processing Parameters of Continuous Flow High Pressure Throttling System and Microfluidizer on Particle Size Distribution of Soymilk. International Journal of Food Engineering, 9 (2), 217-225. https://doi /10.1515/ijfe-2012-0005.

  • ON THE MODELLING AND SIMULATION OF HIGH …

    High Pressure (HP) Processing has turned out to be very effective in prolonging the shelf life of some food. This paper deals with the modelling and simulation of the effect of the combination of high pressure and thermal treatments on food processing, focusing on the inactivation of certain enzymes.

  • First-principles modelling of Earth and planetary materials at high …

    First-principles modelling of Earth and planetary materials 2369 high pressures consists of shock experiments, in which a high-velocity projectile is fired into a target, and the Rankine–Hugoniot relations are used to determine the shock pressure.

Free Consult  or  Leave Message

Copyright © AMC | Sitemap

gotop