“…A study of binary-alloy problems can be seen in [5][6][7][8][9][10][11][12]. Recent works on the solidification of a binary alloy are [6,8,[13][14][15][16][17][18][19][20][21][22][23][24].…”
Similarity solutions for the two‐phase Rubinstein binary‐alloy solidification problem in a semi‐infinite material are developed. These new explicit solutions are obtained by considering two cases: A heat flux or a convective boundary conditions at the fixed face, and the necessary and sufficient conditions on data are also given in order to have an instantaneous solidification process. We also show that all solutions for the binary‐alloy solidification problem are equivalent under some restrictions for data. Moreover, this implies that the coefficient that characterizes the solidification front for the Rubinstein solution must verify an inequality as a function of all thermal and boundary conditions.
“…A study of binary-alloy problems can be seen in [5][6][7][8][9][10][11][12]. Recent works on the solidification of a binary alloy are [6,8,[13][14][15][16][17][18][19][20][21][22][23][24].…”
Similarity solutions for the two‐phase Rubinstein binary‐alloy solidification problem in a semi‐infinite material are developed. These new explicit solutions are obtained by considering two cases: A heat flux or a convective boundary conditions at the fixed face, and the necessary and sufficient conditions on data are also given in order to have an instantaneous solidification process. We also show that all solutions for the binary‐alloy solidification problem are equivalent under some restrictions for data. Moreover, this implies that the coefficient that characterizes the solidification front for the Rubinstein solution must verify an inequality as a function of all thermal and boundary conditions.
“…Proof. By (8) we have that M (λ) = φ(T k ). Taking into account that T1 = T1 is given by ( 24), we have…”
mentioning
confidence: 99%
“…A study of binary-alloy problems can be seen in [2,5,8,12,16,17,24,25]. Recent works on the solidification of a binary alloy are [1,3,5,6,7,9,10,11,12,14,21,22,23,28].…”
mentioning
confidence: 99%
“…In Section 2 we obtain the necessary and sufficient condition (2) for problem (P1) in order to obtain the explicit solution (3)- (8). In Section 3 we deduce the inequality (38) for the coefficient µ that characterizes the Rubinstein free boundary x = s(t) for problem (P1) defined in (3).…”
Similarity solutions for the two-phase Rubinstein binary-alloy solidification problem in a semi-infinite material are developed. These new explicit solutions are obtained by considering two cases: a heat flux or a convective boundary conditions at the fixed face, and the necessary and sufficient conditions on data are also given in order to have an instantaneous solidification process. We also show that all solutions for the binary-alloy solidification problem are equivalent under some restrictions for data. Moreover, this implies that the coefficient which characterizes the solidification front for the Rubinstein solution must verify an inequality as a function of all thermal and boundary conditions.
“…Moreover, this configuration is believed to permit a similarity solution to the governing equations (CHAKRABORTY;DUTTA, 2002;JAKHAR;RATH;MAHAPATRA, 2016;VOLLER, 1997;WACLAWCZYK;SCHäFER, 2018), which can then be used as a benchmark for testing higher-dimensional numerical codes. Furthermore, the fact that there is relative motion between solid and liquid phases in the so-called mushy zone, where the two phases coexist, leads to the possibility of macrosegregation (CHEN;DIAO;TSAI, 1993a;DIAO;TSAI, 1993b;MINAKAWA;SAMARASEKERA;WEINBERG, 1985;MO, 1993).…”
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