Irregular reflection of a strong shock wave from a thin wedge

Optimum Gasdynamic Conditions of Use of a Railgun Accelerator for Spraying of Various Materials on Target Surfaces

“…From the calculations of gas fl ow past the wedge, it follows that the cushion′s height h on the right-hand side of equality (19) is independent, in practice, of the angle α [15]. Taking into account the weakness of the dependence of the logarithm on the gas velocity u g and introducing the notation Λ 2 = At large G, the maximum of the velocity v g is in the region of large angles (α → π/2) and is determined from the condition 1 + ε 2 /2 + 2Gε = 0, where ε = cos α.…”

“…With distance from the source, there forms a shock structure including a primary shock wave, a contact (intermediate) surface between the outfl owing and forced-out gas, and a secondary shock wave. The origin and behaviorial trends of these surfaces have been described in [15] in detail.…”

“…is satisfi ed, the "standard" dependence r(t) is determined from the relation v s.w t = r c + ( ) 1 2 3 c br [15], when there is no second term under the radical sign of Eq. (8).…”

“…It is common knowledge that, in the SSS approximation, the velocity of motion of the contact surface is described by the equation [15] ( )…”