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Heat transfer analysis and design

Heat Transfer and Fluid Flow Design and Analysis

SINDA/FLUINT is a comprehensive finite-difference, lumped parameter (circuit or network analogy) tool for heat transfer design and fluid flow modeling of complex systems. It is used at over 500 sites in the aerospace, electronics, petrochemical, biomedical, and automotive industries, and in over 25 countries.

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Product Overview

For years, SINDA/FLUINT has provided users with the most proven heat transfer and fluid flow design and analysis software in the aerospace industry. SINDA/FLUINT is a comprehensive, generalized tool for simulating complex thermal/fluid systems such as those found in the electronics, automotive, petrochemical, turbomachine, and aerospace industries. The program has proven itself repeatedly for several decades.SINDA/FLUINT saves time and money by making the design process faster and easier, letting you gain a better understanding of your complex system. You control what is important and how to get the answer to your design performance questions using the most efficient approach. Furthermore, the code is completely extensible. You choose the features you want, decide what levels of accuracy and approximation are appropriate, and what outputs are needed. You can even add your own customizations as needed to handle your unique design task or to automate repetitive tasks.SINDA/FLUINT uses text based input files. To expedite model development and maintenance, it is recommended SINDA/FLUINT be used in conjunction with one of its graphical user interfaces (GUIs). Thermal Desktop® provides a geometric CAD based user interface while Sinaps® provides a non-geometric, 2D scketch-pad interface. Both GUIs interface directly with SINDA/FLUINT. Alternatively, C&R Technologies provides an Excel®-based SINDA Controller useful for launching and controlling a SINDA/FLUINT model. Similarly, the COM-based API can be used to interface with MATLAB or COM-based application.More Information

Primers and Tutorials
  • PDF primer (tutorial) for SINDA (thermal networks within SINDA/FLUINT)
  • PDF primer (tutorial) for FLUINT (fluid networks within SINDA/FLUINT)
SINDA Converter CRTech has a free Converter that will read in a file from Sinda/G® or CINDA and create a file suitable for SINDA/FLUINT. This utility will take most of the drudgery away from the task of converting input files from other versions of Sinda. (Detailed Description)

 

General Features
  • Thermal radiation, conduction, convection heat transfer
  • From component design to full system performance simulation
  • Steady state and transient heat transfer and fluid flow
  • Submodels for improved organization, ease of model merge
  • Time and temperature-varying properties
  • Optional concurrently executed user logic and simulations
  • User-determined solution techniques, solution sequences, accuracy levels, and outputs
    • Examples: iterative vs. sparse matrix inversion, single or double precision, etc.
    • Methods, controls, etc. can vary submodel by submodel
  • Convenient restarts and parametric analysis options
  • Compatible with the EZ-XY® Plotting Utility
  • Self-resolving spreadsheet-like expressions and user variables (registers)
    • Facilitates model maintenance: centralized changes
    • Makes what-if, parametrics, and sensitivity studies trivially easy
    • Lets inputs be defined on the basis of outputs, problem time, etc.
    • Eliminates the most common uses of user logic
  • Extensive support library (theromostatic heaters, phase change materials, math utilities, etc.)
  • Multiple fluid flow networks with coupled heat transfer solutions
  • Graphical User Interfaces available, Sinaps®) and Thermal Desktop®
  • User called routines for modeling common devices and phenomena
  • Ability to model finite rate (“reacting flow”) chemical reactions
Comprehensive Fluid Flow Modeling
  • User-definable fluid properties
  • Thermodynamically compressible and incompressible fluids
  • Fluids with molecular weight that varies as a function of pressure and temperature
  • Ability to model finite rate (“reacting flow”) chemical reactions
  • General pump, valve, duct models
  • Single and two-phase flow
    • Boiling and condensation
    • homogeneous or slip flow
    • built-in regime mapping
  • Pure fluid substances, or mixtures of gases, liquids, or both
    • Condensable/volatile mixtures (psychrometrics, etc.)
    • Dissolution/evolution of noncondensible gases
  • Nonequilibrium two-phase volumes
  • Turbomachinery: turbines, variable and postitive displacement compressors
  • Choking detection and modeling
  • Waterhammer and acoustics
  • Time- and direction-varying body forces; natural convection
  • Simplifying assumptions and exploitation of symmetry
  • Wicks and other capillary devices
  • Subdivision of control volumes (e.g., stratification)
  • Kinetic energy transport included for high speed flow phenomena
Advanced Design Module
  • High-level decision support - Advanced Design
    • Goal seeking: find design inputs as a function of the desired model response
    • Optimization of multiple design variables using arbitrarily complicated constraints
    • Automated model correlation to test data
    • Reliability engineering to quantify the design reliability
    • Synthesize a design that meets reliability requirements up front, intelligently balancing cost against risk
List of Sample Applications
  • Spacecraft and launch vehicle thermal, cryogenics, and environmental control design
  • Electronic packaging and component design
  • Power generation systems
  • Turbomachinery
  • Alternative energy systems and energy conservation design
  • Automobile and aircraft engines, cooling, fuel, lubrication, climate control, and hydraulic systems
  • HVAC and fire protection systems
  • Oil and gas pipeline, distribution, steam injection systems
  • Process design and control
  • For a complete list of potential applications and sample problems, please view our Applications page

 

Since SINDA/FLUINT allows user logic and generates a unique executable each time it is run, you MUST have a copy of the specified compiler on each machine in order to run it. If you wish to run an evaluation version of SINDA/FLUINT you must download the built-in compiler version.

 

System Requirements

Operating
System

Windows 7, Windows 8, Linux

After version 5.7 all 32 bit operating systems will no longer be supported.

Fortran
Compiler

32 bit version

64 bit version

 

Memory

512 MB

 

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