Корпускулярно-фотонные процессы и технологии. Светцов В.И - 37 стр.

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36
  . $ 10
4
-10
5
!/. . ! 
     . $  
 (2.8):
∂
∂
π
T
t
q
k
a
t
=
⋅
. (2.12)
 !.    65
,   !    
, !" $   (10
4
-10
8
!/).
     !   
 ! $ .  :   
$  t,  + $ # $+ 
 .  q t !" & !
   :
E
P
t
q
S
t
=
⋅
=
⋅
⋅
, (2.13)
! 7- & #5 ; - #$ #5
; t-  !  ; q- $ # ;
S- #!$ .
4  ! $+ ! , 
$ !   :
∂
∂
T
x
q
k
x
a t
= − ⋅
⋅
Φ
*
2
. (2.14)
2.1.3. !* # )37*"*")*7 83   # #$ 6")6
% !     ! -
 .  $   !
 ,   .  .
.   ! ! . $ 
t, ! ! !.    :
t
a
c T
q
= ⋅
⋅ ⋅
⋅
1
2
ρ
α
. (2.15)
 ! 5   # ,
 ! !.     
(

, . !$  . (2.7) !.,  
   :
q
T k
a t

0
2
=
⋅
⋅
π
, (2.16)
! - & !; t - !$$ $;
k - & !.
8  q
0
! !   t=0,001 !": u -
11000 B/
2
, Ni - 6500 /
2
, (i - 3000 B/
2
, W - 20000 B/
2
, l - 4200
B/
2
. & !   : 
                                        .                              $ 104-105                  !/ .               .            !
                                                                                                            .                 $
                  (2.8):
                      ∂T             q   a
                         =                 .                                                                                               (2.12)
                      ∂t            π ⋅k t
                                    !   .                                                                                                         65
                  ,                                           !
                  , !               "                              $                                                         (104-108             !/ ).
                                                                                              !
                       !                     $                     .                                        :
          $                             t,                        +                       $               #                       $+
                                              .                         q     t               !            " &                                         !
                                                                                                      :
                      E = P ⋅ t = q ⋅S⋅ t ,                                                                                                (2.13)
 !       7-   &                   #5                                                  ;           -         #            $                #5
                ; t-         !                                                ; q-                          $        #                                 ;
S-       #    !$                .
         4                              !                                    $+                   !                                           ,
         $           !                                                                            :
                      ∂T       q            x
                         = − ⋅ Φ*             .                                                                                            (2.14)
                      ∂x       k      2 a⋅t
2.1.3.        !* # )37*"*")*7 8 3                                      # #$ 6")6
         %                      !                                                                                                          !           -
                                                      .                $                                                              !
                            ,                                            .                                       .
                           .                                           !                              !              .                    $
t,            !            ! !                    .                                                                                           :
                                                          2
                              1 ρ⋅c⋅T
                           t=   ⋅        .                                                                                                 (2.15)
                              a    α⋅q
                               !       5                                                                                     #                         ,
                   !        !     .
( ,       .                 !     $       .                              (2.7)                !            .             ,
                                                                                  :
                                        T       π ⋅k
                           q0       =                ,                                                                                     (2.16)
                                             2 a⋅t
 !   - &                          !    ;t-!     $    $                                                                                    $ ;
k-   &                  !     .
      8               q0 !      !               t=0,001                                                                           ! " : u-
          2               2             2                                                                                         2
11000 B / , Ni - 6500 / , (i - 3000 B / , W - 20000 B /                                                                           , l - 4200
B / 2. &                            !                                                                                                    :


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