80 662.6/.9:630*892.1 ., . , , , , 200 . Curve Expert 1.3 . : , , , . - , , - ±0,1 . - , , 0,2 , . (200 ± 5 ) - . , 12.1.044-89 [5], 200 . , . . : 1) 3-5 ; , , , 2) - . - . ; 3) ; 4) . 15-30 . -4 [4]. 0 – , . - 12 %, 4,1 , , 50 . 600 ° , . 50 200 20 , . , . - . 1. 6 2009 81 1 1 t1 , t1 , , 500 450 400 350 300 250 200 0 20 83 105 120 138 165 450 0 30 80 143 147 157 180 500 .1 . t1 , , 500 450 400 350 300 250 200 , S = 0.00000000 r = 1.00000000 530 470 t1 , , 500 450 400 350 300 250 200 0 30 33 40 55 85 145 - 2 , 450 350 300 250 200 - 0 25 42 85 165 - Curve Expert 1.3 [3] . . 1, – . 2. 7 .2 1 3 .6 0 0 .0 0 .00 .00 .00 410 350 .00 .00 290 - 3.6 0 .00 230 .00 170 0.0 1 30.3 60.5 90.8 121.0 151.3 7.2 181.5 0.0 45.4 . 1. 90.8 136.1 181.5 . 2. : S – r – ; 400-500 C, - - . , . - , . , , . , - 20 . , - . . , 6 2009 82 T 500 ,0001 exp( 0,00085112 t1 8 , 25720 22444051 ,0t1 – exp( 21,03082 t1 ) 0 ,18399 0,2 , ; t1 – 2 ,18911 ), (1) 0,44 % . . 3, , . – . 4. S = 0.00000000 r = 1.00000000 530 350 57 18. 79 .00 .00 470 410 37. .00 0 .0 .00 .00 290 -18 0 .79 .00 230 170 .00 0.0 33.0 66.0 99.0 132.0 165.0 198.0 -37 .57 0.0 49.5 . 3. 99.0 148.5 198.0 . 4. T 502,72702 exp( 0,00014508 t1 0,0041121t1 3, 20165 . ) 1, 0000012 0,032386t1 ). - , 0,45 exp( 2 , 27072 – (2) 1 . 6. . 5, - 0,98 % . S = 14.96581611 r = 0.99700919 17. 23 .00 5 40 4 60 3 80 .00 1 40 1 0.0 0 .00 .00 300 2 20 8.6 .00 -8.6 1 .00 00 6 0. 0.0 82.5 165.0 247.5 330.0 . 5. 412.5 495.0 -17 .23 0.0 123.8 247.5 371.3 495.0 . 6. 1 1 6 2009 83 1 T 504 ,60408 exp( 0,11727 t1 0,05391 t1 7 , 05135 0 , 41875 exp( 2,53065 t1 ) 0 , 54572 ). (3) 2 . 7, – . 8. S = 0.00000000 r = 1.00000000 8 .98 .00 485 4 .49 .00 415 345 .00 0 .00 .00 275 205 .00 9 - 4.4 .00 135 6 5. 00 0.0 66.0 132.0 198.0 264.0 330.0 396.0 . 7. - - 8.9 8 0.0 99.0 198.0 297.0 396.0 . 8. - 2 2 2 1, 24918 T 449 ,98003 exp( 0,017867 t1 65156363 ,0t1 4 , 46071 exp( 17 ,15865 t1 0,65 % , . , . . , . , . - ). (4) . . , . , 1987. – 224 . 2. , . / . . . . , . , 1990. – 424 . 3. , . . / .– : , : , 2006. – 292 . 4. , . , 2002. – 50200200706. 5. 12.1.044-89. . / , 0 ,14239 1. 0,8-0,9 . 0,3 , ) - . .: / . – - . . – . – 6 2009 .: - . – , 1991. – 52 . .: .: 84 STUDYING THE WOOD SAWDUST BURNING TEMPERATURES DECLINE REGULARITIES Kudryavtseva L.A., Mazurkin P.M. Mari State Technical University, Yoshkar-Ola, Russia The research results of wood sawdust burning temperatures decline regularities on device OTM starting from to the maximal value up 200 o are presented in article. The wood sawdust burning temperatures dynamic models using the stable law are received with help Curve Expert 1.3 program. Keywords: combustion, wood sawdust, temperature of the combustion, smouldering 6 2009