Thermal protection of aircraft units using film cooling with regard to unsteady heat conductivity
Journal Title: INCAS BULLETIN - Year 2019, Vol 11, Issue 0
Abstract
A simplified physical and mathematical model of combined thermal conductivity and filtering of a cooler with a strong dependence of dynamic viscosity on temperature during film cooling of bodies was developed. The model takes into account the inflow of the cooler into the gas-dynamic boundary layer and the evaporation of the resulting protective film of the cooler. Analytical solutions are obtained for the mass evaporation rate, the rate of non-isothermal filtration, and the temperature distribution in the body, taking into account filtration. The resulting relationships are calculated by iterative methods. Analytical solution of the problem permitted us to clearly establish the functional relationship of all the defining characteristics of the system for automatic cooling of bodies.
Authors and Affiliations
Lev N. RABINSKIY, Olga V. TUSHAVINA
Keywords
Related Articles
- EP ID EP613953
- DOI 10.13111/2066-8201.2019.11.S.20
- Views 73
- Downloads 0
Analytical Estimation of Time Dilation of a Satellite in Elliptical Orbit
This article describes the analytical estimation of time dilation along the elliptical orbit of a satellite due to effects of relativity where the functioning has been time-dependent. The satellites in circular orbit are...
Concept Study of Radio Frequency (RF) Plasma Thruster for Space Propulsion
Electric thrusters are capable of accelerating ions to speeds that are impossible to reach using chemical reaction. Recent advances in plasma-based concepts have led to the identification of electromagnetic (RF) generati...
Automated Conflict Resolution in Air Traffic Management
Collision prevention strategy in ATM is not only a short-term coordination between safety and efficiency, but also a long-term planning for national policy of airspace and air transportation system. The optimization of s...
[i]Book review[/i] Aircraft Dynamics with Input Delays Achim IONIŢĂ, PhD Aircraft Engineer {Military Technical Academy Press, Bucharest 2009}
“Noui Perspective in Aerodinamica Avionului” - 1925 (selected pages)