Unity Software has been granted a patent for a combustion simulation system. The system allows computer users or artists to generate visual representations of combustion events by simulating the event, determining combustion properties, and generating visuals based on these properties. The simulation includes the formation of soot within a specified temperature range and the reaction of soot with an oxidizer. GlobalData’s report on Unity Software gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on Unity Software, AI-assisted repair estimation was a key innovation area identified from patents. Unity Software's grant share as of September 2023 was 36%. Grant share is based on the ratio of number of grants to total number of patents.
Computer-implemented method for generating visual representations of combustion events
A recently granted patent (Publication Number: US11756252B2) describes a computer-implemented method for generating visual representations of a combustion event. The method involves simulating the combustion event, determining combustion properties, and generating visual representations based on these properties and the characteristics of the ambient fluid.
The method includes simulating the formation of soot within a specified temperature range, where the combustion reactants do not include an oxidizer. The soot is then ejected to the flame front, reacts with the oxidizer, and forms combustion products. The specified temperature range for the formation of soot is between 1300 K and 1600 K.
The patent also mentions that the soot produced emits a first luminance, predominantly yellow in color. This luminance is generated, at least in part, by a Stefan-Boltzmann law. Additionally, gases affected by the combustion event emit a second luminance, which is generated by a modified Stefan-Boltzmann law. This modified law subtracts the ambient temperature raised to the fourth power from the gas temperature raised to the fourth power.
The method accounts for non-premixed combustion and relates the amount of soot produced to the amount of fuel by an equilibrium constant. The equilibrium constant depends on the composition of the fuel. The mass of carbon atoms per particle of the soot is between 3000 and 10,000 atomic mass units.
The patent also discusses the simulation of the combustion products as a second portion of the combustion event with variable density. The density varies in response to the divergence of a velocity field pertaining to the flow of the combustion products. This second portion of the combustion event can be treated as either incompressible or compressible.
Furthermore, the method includes replacing the instantaneous pressure with the reference pressure when the pressure is changing and not at the reference pressure. Continuum mechanics equations are used to simulate the combustion event, ensuring the conservation of momentum and mass of the physical system.
The patent covers various aspects of generating visual representations of combustion events, including the simulation of soot formation, luminance properties, combustion reactants, and the treatment of combustion products. This computer-implemented method can be valuable for visualizing and analyzing combustion processes in various industries.
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