3 results about "Heat flux" patented technology

The invention provides a thermal virtual experiment method, which is characterized in comprising the following steps of: 1) utilizing an aerodynamic heating module of HAJIF2013 software, carrying out structurally thermal response modelling on the basis of the ideal load boundary condition of a structure so as to form a thermal analysis model and carry out analysis, and utilizing an analysis result temperature field and heat flux density to guide material object experiment design; 2) according to a material object experiment heater and a support condition, utilizing the aerodynamic heating module to generate thermal virtual experiment environment, carrying out virtual assembly, and carrying out virtual experiment display on an analysis result; 3) according to the real thermal boundary condition of a material object thermal experiment, substituting the thermal analysis model in the 1), and calculating structurally thermal response under a material object experiment condition; and 4) carrying out a thermal material object experiment to obtain an experiment result of the structurally thermal response.

An internal temperature measuring device is configured to include an acquisition unit that acquires a one side temperature and a one side heat flux of a measurement target on a one side surface side and an opposite side temperature and an opposite side heat flux of the measurement target on an opposite side surface side; and a computation unit that computes an internal temperature of the measurement target by applying the one side temperature, the one side heat flux, the opposite side temperature, and the opposite side heat flux.

The invention relates to a method for calculating the temperature of a regenerative aluminum melting furnace molten pool. The method comprises the following steps of: S1, dividing the structure in thealuminum melting furnace into two parts, namely a combustion chamber and the molten pool, and respectively solving the two parts, wherein the combustion chamber part adopts steady state combustion tosolve a function of the heat flux density and the interface temperature of the interface of the molten pool and the combustion chamber, and establishing a mathematical model of the molten pool; S2, substituting the function of the heat flux density and the interface temperature of the interface of the molten pool and the combustion chamber as a boundary condition into a mathematical model of themolten pool; S3, setting the initial temperature of a molten pool aluminum material; S4, solving the mathematical model of the molten pool to obtain a function that the molten pool molten aluminum temperature changes along with heating time; and S5, correcting the function according to a measured value. According to the method, the calculation and evaluation process of the temperature of the molten aluminum can be simpler, more convenient and more efficient, the investment in computer resources and performance is reduced, and the method has certain guiding significance for engineering practice.