Range of a projectile
View article: Identification of nonlinear aerodynamic projectile coefficients based on a modified point mass trajectory model
Identification of nonlinear aerodynamic projectile coefficients based on a modified point mass trajectory model Open
To increase calculation of projectile flight trajectories effectiveness based on mathematical models which describe the spatial movement of the projectile in the air, a pressing question it is relevant to determine individual aerodynamic p…
View article: Maxima in Projectile Motion and Quadratic Air Drag
Maxima in Projectile Motion and Quadratic Air Drag Open
Projectile motion is one of the motions that we see and experience frequently in our daily lives; for instance, a bunch of keys thrown to someone, a ball kicked in a game, and someone jumping from a height are projectile motion. It is also…
View article: A comparative study of turbulence models for predicting the aerodynamic drag of a spin-stabilized projectile
A comparative study of turbulence models for predicting the aerodynamic drag of a spin-stabilized projectile Open
Introduction/purpose: In this research, the influence of different turbulence models on the aerodynamic drag prediction of a generic spin-stabilized projectile was analyzed. The turbulence models chosen for investigation were one-equation …
View article: Development of Mathematical Support and Software for Ballistic Analysis and Optimization of Active-Missile Projectile Parameters
Development of Mathematical Support and Software for Ballistic Analysis and Optimization of Active-Missile Projectile Parameters Open
The paper presents the results of developing mathematical and software support for internal and external ballisticsmodelling, as well as optimizing the parameters of an active-reactive projectile. A complex mathematical model of active-rea…
View article: Numerical Simulation Model of Projectile In-bore Motion Parameters Based on Interior Ballistics Theory
Numerical Simulation Model of Projectile In-bore Motion Parameters Based on Interior Ballistics Theory Open
In modern warfare, artillery systems serve as crucial equipment, and their firing accuracy directly impacts their overall capability to strike targets. Especially under local warfare conditions, the demand for shooting accuracy of large-ca…
View article: INFLUENCE OF THE OVERTURNING MOMENT ON THE RANGE OF THE PROJECTILE
INFLUENCE OF THE OVERTURNING MOMENT ON THE RANGE OF THE PROJECTILE Open
A promising direction for increasing the effectiveness of artillery systems is the development of integrating algorithms of ballistic computers for calculating firing settings, which are based on mathematical models describing the spatial …
View article: An experiment for the study of projectile motion
An experiment for the study of projectile motion Open
The classic demonstration experiment of the motion of a point mass thrown at an angle to the horizon is studied. Several measurements of the range of a projectile launched sphere are carried out and compared with the results that were obta…
View article: Research on the process of vertical water entry experiment of truncated cone-shaped projectile
Research on the process of vertical water entry experiment of truncated cone-shaped projectile Open
In order to study the influence of the diameter and velocity of the truncated head on the cavitation and motion characteristics of the projectile when it enters the water vertically, based on the high-speed camera method, the contrast expe…
View article: An Efficient Analysis Method of Aluminum Alloy Helicopter Fuselage Projectile Damage Based on Projectile Breakdown Theory
An Efficient Analysis Method of Aluminum Alloy Helicopter Fuselage Projectile Damage Based on Projectile Breakdown Theory Open
The shape and structure of helicopter fuselage are complex, and it is difficult for a finite element method (FEM) to investigate helicopter fuselage projectile damage in a multi-projectile environment. An efficient analysis method for heli…
View article: Calculation of the height of the projectile in the condition of completing its movement at subsonic speed
Calculation of the height of the projectile in the condition of completing its movement at subsonic speed Open
One of the factors that affects the dynamics of the projectile is frontal air resistance. It is quite problematic to obtain its functional dependence on projectile speed, air density and temperature, atmospheric pressure, geometric paramet…
View article: A comprehensive analysis of the ‘coming and going’ phenomenon of the projectile motion of a sphere under air resistance
A comprehensive analysis of the ‘coming and going’ phenomenon of the projectile motion of a sphere under air resistance Open
We have analyzed the ‘coming and going’ phenomenon of the projectile motion of a sphere using experimental data correlations that span the entire range of Reynolds numbers. We have modeled the drag force using an analytical expression for …
View article: Near-Field Radar Equation Based on Fresnel Diffraction Formula to Detect Short-Ranged Targets for Automotive Radar
Near-Field Radar Equation Based on Fresnel Diffraction Formula to Detect Short-Ranged Targets for Automotive Radar Open
Although the classic radar equation has been widely used to analyze the link budget of an automotive radar, it is valid only when the targets are located in the far-field region of the transmitted field and the receiving antenna is located…
View article: Feasibility of kinetic orbital bombardment
Feasibility of kinetic orbital bombardment Open
In this paper, the possible impact effects of orbital bombardment systems and their feasibility are studied. These effects are the projectile penetration into concrete and steel targets and seismic effects. The equations of motion for the …
View article: Vertical projectile motion taking into account the wind
Vertical projectile motion taking into account the wind Open
We consider the problem of the motion of a projectile thrown vertically upward from a surface. In addition to gravity, the drag force of the medium is taken into account, which is considered a quadratic function of the relative velocity of…
View article: Mathematical Model of Impact Projectile Flight Dynamics as an Element of its Digital Twin
Mathematical Model of Impact Projectile Flight Dynamics as an Element of its Digital Twin Open
This paper gives the analysis of the structure and characteristics of the mathematical model of the impact projectile’s flight dynamics. The model is designed for being used as an element of the projectile’s digital twin. The model is base…
View article: Projectile motion in a medium with quadratic drag at wind influence
Projectile motion in a medium with quadratic drag at wind influence Open
A classic problem of the motion of a projectile thrown at an angle to the horizon is studied. Air resistance force is taken into account with the use of the quadratic resistance law. The action of the wind is also taken into account, which…
View article: THE FORCE AND MOMENT OF THE MAGNUS FORCE INFLUENCE ON THE FIRE RANGE OF 155-MM PROJECTILE
THE FORCE AND MOMENT OF THE MAGNUS FORCE INFLUENCE ON THE FIRE RANGE OF 155-MM PROJECTILE Open
An important component of the main vector of aerodynamic forces and moments of the projectile is the force and moment from the Magnus force, which significantly affect the dynamics of the projectile flight. At the same time, the influence …
View article: Analytical Solution of the Projectile Motion Under a Linear Drag Force
Analytical Solution of the Projectile Motion Under a Linear Drag Force Open
Motion of a projectile in the absence of any resistive medium is quite ideal and has an exact analytical solution in classical mechanics. Ordinarily, projectiles move in a resistive medium which modify the acceleration of the body both in …
View article: Numerical Study on the Effect of Spinning for 7.62 APM2 Projectile Impacting on Al 7075-T651 Target
Numerical Study on the Effect of Spinning for 7.62 APM2 Projectile Impacting on Al 7075-T651 Target Open
When a projectile launches from a rifled barrel, it undergoes rotation around its longitudinal axis, commonly referred to as spinning, to maintain stability during its flight through the air. Upon reaching the target, the projectile posses…
View article: Investigation of the velocity, mach number, and turbulent parameters for different projectile rear geometry
Investigation of the velocity, mach number, and turbulent parameters for different projectile rear geometry Open
A firearm projectile consists of four main parts. The end part of the cartridge is called the bullet (core). When the weapon is fired, the bullet (core) shoots towards the target. In the literature, there are studies examining projectile g…
View article: A proposed equation for calculating the total horizontal distance in projectiles of varying launch and landing levels
A proposed equation for calculating the total horizontal distance in projectiles of varying launch and landing levels Open
Background The projectile draws a path for the flight of the tool, a horizontal distance can be calculated according to the Galileo Galilei Law of Projectiles (GGLP), but only if the two points of the launch and fall of the tool are equal,…
View article: Dynamic responses of kerosene-filled riveted tanks subjected to hydrodynamic ram caused by ballistic impacts
Dynamic responses of kerosene-filled riveted tanks subjected to hydrodynamic ram caused by ballistic impacts Open
The hydrodynamic ram (HRAM) is a hydrodynamic pressure phenomenon that occurs when high-speed projectiles impact a liquid-filled tank. During combat missions, aircraft are prone to HRAMs caused by projectile impacts, which can damage the s…
View article: Effect of Bending Deformation on the Lateral Force of Spinning Projectiles with Large Aspect Ratio
Effect of Bending Deformation on the Lateral Force of Spinning Projectiles with Large Aspect Ratio Open
The bending deformation can affect the lateral force of spinning projectiles with large aspect ratios, thus interfering with their flight stability. Based on the established spin–deformation coupling motion model, the unsteady Reynolds ave…
View article: Projectile Motion in Special Theory of Relativity: Re-Investigation and New Dynamical Properties in Vacuum
Projectile Motion in Special Theory of Relativity: Re-Investigation and New Dynamical Properties in Vacuum Open
The projectile motion (PP) in a vacuum is re-examined in this paper, taking into account the relativistic mass in special relativity (SR). In the literature, the mass of the projectile was considered as a constant during motion. However, t…
View article: A proposed equation for calculating the total horizontal distance in projectiles of varying launch and landing levels
A proposed equation for calculating the total horizontal distance in projectiles of varying launch and landing levels Open
The projectile draws a path for the flight of the tool, a horizontal distance can be calculated according to the general law, but only if the two points of the launch and fall of the tool are equal, otherwise we need an equation to be adde…
View article: Research on the characteristics of projectile penetration into water based on fluid-structure Interaction
Research on the characteristics of projectile penetration into water based on fluid-structure Interaction Open
To study the water entry characteristics such as fuze overload, projectile overload and water-gas interface change during the penetration of projectile from air to water at different angles. Using the HyperMesh/LS-Dyna joint simulation too…
View article: Ballistic Characteristics of High-Speed Projectiles Entering Water Vertically
Ballistic Characteristics of High-Speed Projectiles Entering Water Vertically Open
The formation of supercavitation after a high-speed projectile enters water has a decisive impact on the underwater ballistic and penetration of the projectile. In this study, Ansysfluent19.0 simulation software is used to study water entr…
View article: GENERAL SOLUTION OF TWO-DIMENSIONAL PROJECTILE MOTION WITH AIR RESISTANCE
GENERAL SOLUTION OF TWO-DIMENSIONAL PROJECTILE MOTION WITH AIR RESISTANCE Open
In this study, two-dimensional projectile motion is considered under the effect of a general power law model of air resistance. Classically, a projectile is treated as a point mass with mass m moving in a uniform gravitational field. The p…
View article: Studying the ballistic performance of a metal target under combined KE projectile impact
Studying the ballistic performance of a metal target under combined KE projectile impact Open
In this article, using analytical, numerical and experimental methods, the range of the ballistic limit thickness (BLT) of the metal target in the impact with the combined kinematic energy (KE) projectile is investigated. The design of the…
View article: PROJECTILE MOTION IN A MEDIUM WITH QUADRATIC DRAG AT CONSTANT HORIZONTAL WIND
PROJECTILE MOTION IN A MEDIUM WITH QUADRATIC DRAG AT CONSTANT HORIZONTAL WIND Open
A classic problem of the motion of a projectile thrown at an angle to the horizon is studied. Air resistance force is taken into account with the use of the quadratic resistance law. The action of the wind is also taken into account, which…