Performance variation of a transient dynamic fluid-structure interaction system in different life stages and methods for maintaining the performance

Abstract Performance variation in different life stages of dynamic systems subjected to severe fluid-structure interactions is unavoidable. A weak coupling model governing the combustion of propellants in a chamber with moving boundaries was presented. The model is capable of considering not only the interactions between the projectile and the barrel but also the volume enlargement caused by wear and erosion. The weak coupling of the model calculation was realized using an interface in the commercial ABAQUS(R) software. The weak coupling model was validated through comparing with a classical model and experiments. The diameter increments of a gun bore were measured to construct models used in the simulations. Based on the validated model, the performance variations of the gun in different life stages were investigated. Furthermore, pressure and temperature distributions of the core flows along the barrel were provided. Mechanism of the performance degradation was elucidated. Finally, two kinds of approaches were provided to maintain the performance of the internal combustion system. Considering the sensitivity of the combustion to the two factors, a method of adjusting the charge mass is advisable in engineering.

[1]  J. Underwood,et al.  Review of thermo-mechanical cracking and wear mechanisms in large caliber guns , 2007 .

[2]  P. Wriggers,et al.  Multiscale FEM approach for hysteresis friction of rubber on rough surfaces , 2015 .

[3]  Xiaobing Zhang,et al.  Modeling of Interior Ballistic Gas-Solid Flow Using a Coupled Computational Fluid Dynamics-Discrete Element Method. , 2013, Journal of applied mechanics.

[4]  Xiaobing Zhang,et al.  Two-Dimensional Numerical Simulation of Gas–Solid Reactive Flow with Moving Boundary , 2015 .

[5]  C. Bergmann,et al.  Hot and cold erosive wear of thermal sprayed NiCr-based coatings: Influence of porosity and oxidation , 2008 .

[6]  Richard Saurel,et al.  The Noble-Abel Stiffened-Gas equation of state , 2016 .

[7]  D. Agard,et al.  Microtubule nucleation by γ-tubulin complexes , 2011, Nature Reviews Molecular Cell Biology.

[8]  M. Dirikolu,et al.  A thermochemical approach for the determination of convection heat transfer coefficients in a gun barrel , 2012 .

[9]  M. Dirikolu,et al.  Thermo-mechanical analysis of double base propellant combustion in a barrel , 2016 .

[10]  Per Lindholm,et al.  Characterisation of wear on a cam follower system in a diesel engine , 2003 .

[11]  John H. Underwood,et al.  Thermomechanically controlled erosion in army cannons : A review , 2006 .

[12]  Bernhard Peters,et al.  DEM–FEM coupling simulations of the interactions between a tire tread and granular terrain , 2015 .

[14]  J. Montgomery,et al.  Cobalt-base alloy gun barrel study , 2014 .

[15]  A. Jameson,et al.  Numerical solution of the Euler equations by finite volume methods using Runge Kutta time stepping schemes , 1981 .

[16]  Miodrag Lisov,et al.  Modeling wear mechanism of artillery projectiles rotating band using variable parametars of internal ballistic process , 2006 .

[17]  Samuel Sopok,et al.  Thermal-chemical-mechanical gun bore erosion of an advanced artillery system part one: theories and mechanisms , 2005 .

[18]  A. Molinari,et al.  Study of friction and wear mechanisms at high sliding speed , 2015 .

[19]  Heikki Keinänen,et al.  Influence of Rotating Band Construction on Gun Tube Loading: Part II: Measurement and Analysis , 2012 .

[20]  Yuqian Wang,et al.  Performance analysis of the pulse detonation rocket engine based on constant volume cycle model , 2010 .

[21]  Cheng Cheng,et al.  Numerical modeling and investigation of two-phase reactive flow in a high-low pressure chambers system , 2016 .

[22]  Carlos Segovia Fernández,et al.  Erosion, Abrasive, and Friction Wear Behavior of Iron Aluminide Coatings Sprayed by HVOF , 2008, International Thermal Spray Conference.

[23]  J. Edward Alexander.  Advanced Gun System Gun and Projectile Dynamic Model Results and Correlation to Test Data , 2012 .

[24]  Dimitri E. Beskos,et al.  Boundary Element Methods in Dynamic Analysis , 1987 .