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de C&R Technologies

SINDA/FLUINT es una completa herramienta para el análisis de diseños de transferencia de calor y de flujo de fluídos en sistemas complejos. Más de 500 empresas en los campos de la industria aeroespacial, electrónica, petroquímica, biomedicina y automoción utilizan este producto actualmente.

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Heat Transfer and Fluid Flow Design and Analysis Software

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

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, 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.


  • Radiation, conduction, convection heat transfer
  • From component design to full system performance simulation
  • Steady state and transient heat transfer and fluid flow
  • 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
  • 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
  • Comprehensive fluid flow modeling
    • User-definable fluid properties
    • 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
    • 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
  • Graphical User Interface available (SinapsPlus®)
  • User called routines for modeling common devices and phenomena
    • Heat pipes, constant and variable conductance
    • Thermal Ablation
    • Thermoelectric cooling devices


  • Spacecraft and launch vehicle thermal, cryogenics, and environmental control design
  • Electronic packaging and component design
  • Power generation systems
  • 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
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» Introducción a Sinda
» Introducción a Fluint
» Folleto de SINDA/FLUINT
» Folleto -Two Phase Flow Analysis-
» Folleto Advanced Design with SINDA/FLUINT

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