Results of the experimental trials on dustness evaluation in the the engine area of a tractor operating in the field Dienstag, 19. Februar 2008

The Journal of Agricultural Science Nr. 1(01), pp. 93-98
ХАА-н Шинжлэх Ухаан сэтгүүл №1(01), хуудас 93-98

ÒÐÀÊÒÎÐÛÍ ÕªÄªËï¯ÐÈÉÍ ÎÐ×ÍÛ ÀÃÀÀÐÛÍ ÒÎÎÑÆÈËÒÛà ÑÓÄÀËÑÀÍ Ä¯Í

Ö.ªëçèéáààòàð1, Ã.Ãàíòóëãà2
1-ÕÀÀÈÑ, Èíæåíåðèéí Ñóðãóóëü
2-ÕÀÀÈÑ, Øèíæëýõ Óõààíû Ǻâëºë
Ulzii_30@yahoo.com, gantulg@yahoo.com

Õóðààíãóé
Ìàíàé îðíû áàéãàëь öàã óóðûí îíöëîã íºõöºëä ãàäààäààñ èìïîðòîîð îðóóëæ èðñýí òåõíèêèéí çàñâàð, ¿éë÷èëãýýíèé íîðì, íîðìàòèâ ¿éëäâýðëýã÷èéí òîãòîîñíîîñ ººð áàéõ ¿íäñëýëòýé áºãººä áèä ýíý àñóóäëûã õ¿ðýýëýí áóé îð÷íû õóóðàéøèëò, òîîñæèëòòîé óÿëäóóëàí ñóäëàæ òîãòîîõ óëìààð òåõíèêèéí ýëýãäëèéã áóóðóóëàõ íºõöëèéã õàíãàæ, ýäýëãýýíèé õóãàöààã óðòàñãàõ çîðèëãîîð ã¿éöýòãýñýí ñóäàëãààíû àæëûí ¿íäñýí ¿ð ä¿íã ýíä òîëèëóóëæ áàéíà.
Òàðèàëàíãèéí òàëáàéä ÿíç á¿ðèéí îð÷èí, íºõöºëä àæèëëàæ áóé òðàêòîðóóäûí õºäºëã¿¿ðèéí àãààð ñîðîõ õîîëîéí îð÷èíä òîîñæèëòûí äýýæ àâ÷, òýäãýýðèéí ò¿¿âð¿¿äýä ìàòåìàòèê ñòàòèñòèêèéí øèíæèëãýý õèéæ àãààð äàõ òîîñæèëòûí àãóóëàìæ, òîîñíû ãåîìåòð õýìæýý çýðãèéã òîãòîîñîí áà òîîñæèëòîíä íºëººëºõ ¿íäñýí õ¿÷èí ç¿éë¿¿äèéã òîãòîîí òýäãýýðèéí àãààðûí òîîñæèëòîíä íºëººëºõ õàìààðëûí ìàòåìàòèê çàãâàð ãàðãàæ àâñàí áîëíî. Õºäºëã¿¿ðèéí îð÷íû àãààðûí òîîñæèëò (1) íü õºäºëã¿¿ðèéí àãààð ø¿¿ã÷èéí áàéðëàë (H), õºðñíèé ÷èéã ( ), àãðåãàòûí àæëûí õóðä ( ), ñàëõèíû õóðä, ( ), çýðýãöýý àæèëëàõ ìàøèíû òîî (nm) çýðãýýñ õàìààð÷ áàéíà.
Àãààðûí òîîñæèëòûí ìàòåìàòèê çàãâàð íü òóõàéí íºõöºëä òºðºë á¿ðèéí òðàêòîðûí õºäºëã¿¿ðèéí îð÷íû àãààðûí òîîñæèëòûí õýìæýýã óðüä÷èëàí òîäîðõîéëîõ óëìààð àãààð ø¿¿õ ýëåìåíòèéí ¿éë÷èëãýýíèé õóãàöààã òðàêòîðûí àæèëëàõ íºõö뺺ñ õàìààðóóëæ íàðèéâ÷ëàí òîãòîîõ áîëîìæòîé áîëãîæ áàéíà.

Ò¿ëõ¿¿ð ¿ã
àãààð ø¿¿ã÷, òîîñíû àãóóëãà, òåõíèêèéí ýäýëãýý, ¿éë÷èëãýýíèé õóãàöàà

Abstract
In this paper presented are the results of experimental study trials on evaluating the dust contamination in the air surrounding the engine of a tractor working in the field during soil preparation and seeding operations.
The field trials for dust sample collection were carried out by using the simple dust receiver specially designed for this purpose by the authors of this study and placed at the engine air inlet of the tractor.
Statistical evaluations of the experimentel data resulted in the conclusion that the dust contamination (1) at the engine air inlet depends on various parameters including the engine air filter placement (H), soil moisture contents ( ), tractor running speed ( ), air wind velocity ( ), and number of tractors working simultaneously on the field (nm) and we developed following mathematical model.

The dust contents around the tractor engine were ranging from 0.968 g/m3 to 1.281 g/m3 depending on the above mentioned factors. Dust granulation varied between 6 and 53 mkm. The dust receiver was placed at 1.5 m, 1.8 m, 2.0 m and 2.6 m depending on the tractor engine type and mean size of dust collected were 13.6 mkm, 11.2 mkm, 10.1 mkm and 7.5 mkm respectively. It confirms that dust contents and granulation depend on tractor engine type and air inlet placement.
These data presented above can be used for determining the actual service period of the air filter elements to avoid excessive wearing of engine piston-sleeve sliding pairs due to the presence of dust abrasive particles in engine oil lubricating.