ТГУ / Методичка №729 ТГУ ч.12
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ТЕПЛОВОЙ РАСЧЕТ ТЕПЛОГЕНЕРАТОРОВ
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В"•"!•0 2009
УДК 621.1 ББК 31.361
С•••а• •!" :
А. Т. К'()*+*,, Д. Н. К04а7,
Р!%!&'!&•:
Щ'90)а Т. В., 9а);. 47<). )а'9, ;*=7)4 9а>7;(? «О4*AB7)07 0 ,7)40BC=0C» В*(*)7D+9*E* E*+';а(+4,7))*E* а(<04794'()*-+4(*047BG)*E* ')0,7(+0474а
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0 ;0AB*I)*I' A(*7940(*,а)0K A* 47AB*E7)7(0('KL0I '+4а)*,9аI ;BC +4';. +A7=. 270109 / В*(*)7D. E*+. а(<.-+4(*04. ')-4; +*+4.: А. Т. К'()*+*,, Д. Н. К04а7,. — В*(*)7D, 2009. — 25+.
П(0,*;04+C I74*;09а 47AB*,*E* (а+T74а Aа(*E7)7(а4*(*, )а *+)*,7 )*(Iа40,)?< ;а))?< 0 + 0+A*BGJ*,а)07I ЭВМ.
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ТаWB. 2. Б0WB0*E(.: 7 )аJ,.
УДК 621.1 ББК 31.361
2
ВВЕДЕНИЕ
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1. МЕТОДИКА ТЕПЛОВОГО РАСЧЕТА ТЕПЛОГЕНЕРАТОРА
М,4#@0(а "а*C,4а -",@)*&а4"05а,4 0*-#.;<#5а/0, "а*C,4/AL /#"&а.,', -"0.#>,/0' 0 /#$"а&& /#"&а405/#$# &,4#@а 4,-.#5#$# "а*C,4а (#4.#а$",$а4#5 [1], а 4а(>, [5] 0 [7].
П"0 5A-#./,/00 ()"*#5#' "а=#4A #=?<а4,.;/# -"0&,/,/0, ЭВМ (/а-"0&,", @.? "а*C,4#5 Lа"а(4,"0*40( 5#<@)Lа 0 -"#@)(4#5 *$#"а/0? "а<.0C/AL 4#-.05, (#/*4")(405/AL "а*C,4#5 (#/5,(405/#$# -а"#-,",$",5а4,.?, 5#@?/#$# H(#/#&а'<,"а 0.0 5#<@)L#-#@#$",5а4,.? * 5A=#"#& #-40&а.;/#$# 5а"0а/4а 0L (#/*4")(:00 0 #-40&0<а:0,' *(#"#*4,' $а<#5) [4,6].
В *5?<0 * 4,&, C4# /#"&а405/A, @#()&,/4A [1,2,5], **A.(0 /а (#4#"A, *@,.а/A /0>,, 0<@а/A 5 4,L/0C,*(#' *0*4,&, ,@0/0:, а )C,=/а? .04,"а4)"а [4,6,7] 5 *0*4,&, СИ, 5*, 5,.0C0/A 5 &,4#@0C,*(0L )(а<а/0?L @а/A 5 @5)L
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Та" "а" *+/012+%+3а*13 /3+5(*а607+* (1819 ()(*+,! 6$а),1(67$а%%&' *+/0118,+%%&' а//а3а*16 (;"3а%%&+ /16+3'%1(*) %а23+6а, /а31/+3+23+6а*+0=, ")/7*)0=%&+ /!>"), 6157%19 ;"1%1,а9$+3 ) 61$5!'1/15123+6а*+0=), *1 /16+31>%&9 3а(>+* 6(+21 *+/012+%+3а*13а 3а$8)6а+*(7 %а 1*5+0=%&+ @!%"A)1%а0=%1 $а"1%>+%%&+ 801"), "1*13&+ (11*6+*(*6!B* 012)>+("1,! /1(*31+%)B ('+,& 3а(>+*а, /3),+%7+,1,! "а" %а ЭВМ, *а" ) /3) 3!>%1, (>+*+. С*3!"*!3%а7 ('+,а 6$а),15+9(*6)7 (*!5+%*а ) ЭВМ, а *а"G+ 801"-('+,а *+/016121 /16+31>%121 3а(>+*а 1*1/)*+0=%1-/31)$615(*6+%%121 /а312+%+3а*13а /3)6+5+%а 6 [6, (. 18-20]
1.1.Ра•••• !а"а#••"$••$# %&'()!а $ *"&()#•&% •+&"а,$- "а'/$•,0! •&*/$%
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К!6GG%)%#$"1 %•=1"'а 0!•-(4а α 0 4а•а'"#•$14 "!/'а4 ,а•!0!,! "•а'"а "#*+!,#$#•а"!•а !*•#-#+&5"•& *("#• *!•+#-!0а"#+3$!,! *•%=а0+#$%& ' α" 0#+%/%$ •а'•%•а+3$! -!*(•"%•14 *•%•!•а 0!•-(4а 0 ,а•!4!-а4 α #$% .
С!,+а•$! [1] '!6GG%)%#$"1 %•=1"'а 0!•-(4а 0 "!*'# *•%$%•а5"•&: -+& *•%•!-$!,! ,а•а α" = 1,1; -+& •а•("а α" = 1,2; -+& "0#•-!,! "!*+%0а α" =1,35÷1,5, а -!*(•"%•1# *•%•!•1 0!•-(4а 0 ,а•!4!-а4 "#*+!,#$#•а"!•а •+#-(5I%#:
-+& •+!#0!2 "!*'% ("0#•-!# "!*+%0!) - Rα" =0,1; -+& 'а•#•$!2 "!*'% (,а•, •а•(") - Rα" =0,05;
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D*#а-(O" 24, а !#07#а<<а #аD/"*0$ -а ЭВМ М(#-2, ЭКВМ 15-ВСМ5 ( -а )=%'" Б"&D(' - -а D*#а-(Oа? 137 – 148.
Д+) :*070 -"0@?0>(<0 =а!0+-(*, *а@+. 1 ( 2.
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П0 #"=.+,*а*а< #аD/"*0$ !#(-*"# ЭВМ #аD!"/а*%$а"* >0 60 $"+(/(-, $'+C/аCZ(? #а=+(/-%" ?а#а'*"#(D*('( !#0>.'*0$ D70#а-(), #аD\(X#0$'. '0*0#%? D+">."* !#0$"D*( $ D00*$"*D*$(( D '0-*#0+,-%<( !#(<"#а<( $ *а@+. 2 [6].
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П0 $%?0>-%< >а--%< ЭВМ (+( #аD/"*0< !0 X0#<.+" (1.1) !#( 'аB>0< =-а/"-(( α -а <(++(<"*#0$0& @.<а7" D*#0(*D) It - >(а7#а<<а !#0>.'*0$ D70#а-(), '0*0#а) !0=$0+)"* 0!"#а*($-0 ( <-070'#а*-0 0!#">"+)*, :-*а+,!(( !0 =а>а--%< *"<!"#а*.#а< (+(, -а0@0#0*, !0 =а>а--%< :-*а+,!()< – *"<!"#а*.#%. Р"'0<"->.C*D) D+">.CZ(" <аD\*а@%:
!0 70#(=0-*а+( 1 D< =100 °С;
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КПД (07C((') % '.7"9"#-"(&- .' '07а(+':C 0а#а+&C:
η••а = 100 - (q2+q3+q4+q5+q6), % , |
(1.2) |
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