Chemical Engineering @ChemengFiles.Com

Real-time simulation on a PC bench heat
The installation includes the following equipment:
-- Hot water boiler with circulation pump and regulator temperature ICT configurable,
-- Network with hot water flow to each of the three interchanges,
-- Network with cold water valves three ways to reverse the direction of movement in the interchanges, valve and flow measurement of cold water to each intersection,
-- Multitubulaire exchanger to pass later tubes and a pass later grille, chicanes in the grille, temperature of hot water outlet valve acting on the water cold,
-- Exchanger multitubulaire two passes later tubes, and a pass later grille, chicanes in the grille,
-- Coaxial exchanger,

Model
-- Solving equations material balance and thermal transitional arrangements in the interchanges, cut into 32 volumes of control,
-- Taking into account the inertia due to the heat exchanger itself,
-- Determining factors exchange later tube grille and side depending on properties of fluids and flow conditions. Possibility of establishing the overall coefficient exchange.

Example applications: This model can be used to deepen exchanges thermal profiles of temperature and co against current flows transferred, receipts, traded, coefficient of variation of exchange with the operating conditions ...

Various graphical tools are available for analysis and understanding of the process:
-- Display real-time profiles of temperatures dans les interchanges,
-- Display real-time properties on the movement and the heat exchange between other speeds, residence time, Reynolds, Nusselt, Prandlt, local factors and global exchange, Dq ml, flow, etc…
-- Historical variables processes,
-- Management of thermal losses, with adjustable exchange coefficient (grille - external environment) and ambient temperature,

Simulation in real time on the PC two interchanges to size

All parameters of the installation are subject to change: tubes length, diameter grille, properties of fluids, template options, heat loss, etc. ... The simulator can view the operation of heat exchangers co or against the current, transitional or permanent regime, carry out analyses of flux transferred, receipts, traded, etc. ...

The installation includes, inter alia, the following equipment:
-- Two interchanges at one and two passes later tubes, and a pass later grille, chicanes in the grille,
-- Power lines with adjustable direct flow, temperature, and the sense of movement,

Example applications: This model can be used to deepen exchanges thermal profiles of temperature and co against current flows transferred, receipts, traded, coefficient of variation of exchange with the operating conditions ...

Various graphical tools are available for analysis and understanding of the process:
-- Display real-time profiles of temperatures dans les interchanges,
-- Display real-time properties on the movement and the heat exchange between other speeds, residence time, Reynolds, Nusselt, Prandlt, local factors and global exchange, Dq ml, flow, etc…
-- Historical variables processes,

Real-time simulation on a PC chassis mechanics (dynamic) fluids

Keywords: pump cavitation, loss, load, pressure, Bernoulli, HMT, height, gauge, NPSH, network, curve, diaphragm, venturi, accident, shoulder length, straight, debit, minimal regulation, friction, compression, compressor , Centrifugal, volumetric, process engineering, chemical engineering ...

All parameters of the installation are subject to change: length and diameter lines, characteristics of those fittings, roughness, pumps, tanks, regulators, etc. ... The simulator is a copy of a bench teaching fluid dynamics. It also contains a minimum flow protection centrifugal pump and a pressure regulating reservoir in a split-range engazage and degassing.

The installation includes, inter alia, the following equipment:
-- Centrifugal pump-up on an atmospheric ground or aspiration on a well. The permutation of the assembly is done by a set of automatic isolation valves. The line aspiration of the well is equipped with a flip-strainer to prevent any deactivation of the pump.
-- Minimum flow of the pump by opening an automatic valve on the recirculation line to the tank atmosphere.
-- Lines of various diameters, a high roughness line, a line equipped with a venturi and a flow meter hole. Each line is equipped with a pressure differential.
-- Reservoir located on high ground and put under pressure by a regulator with split-range engazage and degassing.
-- Regulating the water level of the reservoir under pressure by reference into the air tank on the ground.

Various graphical tools are available for analysis and understanding of the process:
-- Display real-time properties on the movement of fluids (by positioning the mouse on the measures): D P, speed, speed, Reynolds, coefficients loss of charge, features lines, etc…
-- Posting losses charges lines in mbar or mmCE,
-- Display operating conditions of the pump (by positioning the mouse over): intensity, hydraulic power, electrical, performance, NPSH available,
-- Animation cavitation of the pump,

Simulation real-time PC with a centrifugal pump cavitation and curve bucket

Keywords: pump cavitation, loss, load, pressure, Bernoulli, HMT, height, gauge, NPSH, network, curve, diaphragm, venturi, accident, shoulder length, straight, debit, minimal regulation, friction, compression, compressor , Centrifugal, volumetric, process engineering, chemical engineering ...

All parameters of the installation are subject to change: length and diameter lines of suction and discharge (in two sections of different diameters), characteristics of those fittings, pumps, tanks, etc. ... The simulator can understand and illustrate how a simple hydraulic network, to observe the real-time operating point of a circuit according to the opening of the valve, to show interest curves network, etc. ...

The installation includes, inter alia, the following equipment:
-- A centrifugal pump-up or aspiration, aspiring and forcing out with tanks in which you can choose the height and pressure.
-- Rows of suction and two sections of various diameters, for which you can choose the length, diameter and accessories,
-- A valve manually adjusting the flow back of the pump,

Various graphical tools are available for analysis and understanding of the process:
-- Display real-time curves HMT, power and yield curves network with or without valve, NPSH available and required,
-- Display of paintings by abstract accessories suction and discharge piping,
-- Display real-time properties on the movement of fluids (by positioning the mouse on the knobs): speed, speed, Reynolds, coefficients loss of charge, features lines, etc…
-- Display operating conditions of the pump (by positioning the mouse over): intensity, hydraulic power, electrical, performance, NPSH available,
-- Animation cavitation of the pump,

centrifugal compressor

Keywords: compression, compressor, centrifugal pump, overload, compression ratio, loss, load, pressure, Bernoulli, HMT, debit, minimal regulation, friction, volumetric, process engineering, chemical engineering ...
All installation parameters are modifiable characteristics of centrifugal compressor overload areas and pumping, regulators, minimum flow rate, etc. ... The simulator can illustrate how a centrifugal compressor in a simple circuit, with balloons suction and pressure managed or set, and with regulations suction and discharge pressure and anti-pumping.

The installation includes, inter alia, the following equipment:
-- Centrifugal compressor variable speed, with characteristic curves parameters,
-- Recirculation valve regulation and anti-pumping automatic (cascade mode).
-- Suction and discharge fitted with valves,
-- Ability to regulate pressure or set pressure suction and / or refoulement,
-- Safety: stop compressor on high vibration (when pumping or surcharge) and high temperature to refoulement.

Various graphical tools are available for analysis and understanding of the process:
-- Display real-time operating point compressor characteristic curves on its compression ratio - debit, with pumping limits and overload,
-- Table covering all the characteristics of compression: exhibitor, work, temperature and real yields, polytropiques and isentropiques, pressures, compression ratio and mass flow and volume.

Download Link: AZEchangPompe_serie2008_3 (internal models, 3.0Mb)