BurnSim

BurnSim, developed by BlastZone, is an advanced rocket steady-state ballistic simulation software designed to enhance the performance of rocket motors by analyzing various parameters. The latest version, 3.3.3, is available for free download and is compatible with Windows 8, 10, and 11. Previous versions include 3.1, and 2.3.

BurnSim falls under the Education category and specifically within the Science Tools subcategory, catering to those interested in the meticulous design of rocket motors. The program allows users to input the characteristics of their motor, nozzle, and propellant, subsequently calculating the Kn throughout the burn to predict chamber pressure and motor performance.

A highly beneficial feature of BurnSim is the ability to tweak parameters such as nozzle diameter or grain core diameter and immediately observe the effects on various performance metrics like Kn and chamber pressure. This simulation software not only allows for optimized nozzle design but also enables motor designs to be saved and easily recalled for future use, facilitating ongoing experimentation and development.

BurnSim supports the importing and graphing of test data alongside simulation data, providing a comprehensive comparison between simulated predictions and actual results. Users can also save notes regarding their propellants and motor designs within the program, ensuring all crucial information is stored in one convenient location.

Pros:

• Free to download, making it accessible for all users.
• Supports detailed analyses and optimizations of rocket motors.
• User-friendly interface with capabilities to save and recall designs.
• Graphical comparison of simulation and test data enhances accuracy.

Cons:

• Limited to Windows 8, 10, and 11, potentially excluding users on other operating systems.
• May have a steep learning curve for beginners without prior experience in rocket motor design.

Overall, BurnSim 3.3.3, available in the executable file burnsim.exe, offers an exceptional toolset for those in rocket science education and amateur rocketry, backed by the reliability of BlastZone's development.

It is not possible to confirm if there is a free download for this software available on the developer's website. We recommend checking the downloaded files with any free antivirus.

You may want to check out more software, such as Avantage BPM Foundation, gitoolbox or Astro-Mania, which might be related to BurnSim.