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: Ñòåïåíü ñæàòèÿ : Ìèøà Ê. 09 January 2009, 17:20:06 Ìîòîðèñòû, ïîäñêàæèòå ïîæàëóéñòà êàê íà ïðàêòèêå âûñ÷èòûâàþò ñòåïåíü ñæàòèÿ ÄÂÑ?
: Re: Ñòåïåíü ñæàòèÿ : ShiG 09 January 2009, 20:03:29 Íà ïðàêòèêå (íà ìîòîðàõ êîíñòðóêöèÿ ÊÑ êîòîðûõ ïîçâîëÿåò) - çàëèâàíèåì ìàñëà â ñâå÷íîå îòâåðñòèå.
2112é ìîòîð òàêîå ïîçâîëÿåò. : Re: Ñòåïåíü ñæàòèÿ : colibra 09 January 2009, 20:08:06 áÐÅÄ! Ìåðèåøü êîìïðåññèþ à ïîòîì ïî ôîðìóëå,à çà÷åì?
: Re: Ñòåïåíü ñæàòèÿ : colibra 09 January 2009, 20:16:16 ôîðìóëà âîò: Å=(Ðñ+3.9)/1.55
Å-ñòåïåíü ñæàòèÿ Ðñ-èçìåðåííàÿ êîìïðåññèÿ (êãñ/ì2) : Re: Ñòåïåíü ñæàòèÿ : shruzzzz 10 January 2009, 00:31:36 http://team-rs.ru/technical/index.php?action=show&id_group_parent=3&id_article=4
: Re: Ñòåïåíü ñæàòèÿ : ShiG 10 January 2009, 01:03:46 áÐÅÄ! Òû íåïðàâèëüíî íàïèñàë, êàìðàä. Ïðàâèëüíî íàäî òàê: Ýòî âñ¸ õåðíÿ! Òàê ñîáåñåäíèêó ïîíÿòíåå, ÷òî îí íè õåðà â æèçíè íå âèäåë è íå ïîíèìàåò. ôîðìóëà âîò: Å=(Ðñ+3.9)/1.55 Å-ñòåïåíü ñæàòèÿ Ðñ-èçìåðåííàÿ êîìïðåññèÿ (êãñ/ì2) Âîò - âñåãäà ïðèÿòíî îçíàêîìèòüñÿ ñ ìíåíèåì ýêñïåðòà.  äàííîì àñïåêòå ìîãó äàòü îäèí òîëêîâûé ñîâåò, ïðè÷¸ì ñîâåðøåííî áåñïëàòíî: äëÿ íà÷àëà ïîñòàðàéñÿ ïîëó÷àòü èíôîðìàöèþ íå èç ñòàòåé â èíòîðíåòå, íàïèñàíûõ ìàëîãðàìîòíûìè èäèîòàìè, à èç ñåðüåçíûõ èñòî÷íèêîâ, äàáû ïîÿâèëîñü õîòÿ áû ìèíèìàëüíîå ïîíèìàíèå òîãî, î ÷¸ì ðå÷ü. Çàòåì - ïîñòàðàéñÿ îñìûñëÿòü èíôîðìàöèþ, çàìåíÿÿ çíàíèå - ïîíèìàíèåì. Ñèëüíî ñïîñîáñòâóåò - âûó÷èòü àíãëèéñêèé ÿçûê, íà êîòîðîì íàïèñàíî íåñðàâíåííî áÎëüøåå êîëè÷åñòâî àäåêâàòíîé ëèòåðàòóðû. Êîãäà ñîîáðàçèøü, ïî÷åìó ôîðìóëà ñ îäíîé ïåðåìåííîé íå ó÷èòûâàåò ôàçû ÃÐÌ, òåìïåðàòóðó âîçäóõà, îáîðîòû ñòàðòåðà, çàçîðû â ÖÏà è ïîãîäó íà ëóíå - âîçâðàùàéñÿ è ðàññêàæè, çà÷åì òû ýòó õåðíþ íàïèñàë. : Re: Ñòåïåíü ñæàòèÿ : colibra 10 January 2009, 01:36:15 ÍÀÏÈÑÀË ÏÐÀÂÈËÜÍÎ-ÝÒÎ ÂÑÅ ÕÅÐÍß!
: Re: Ñòåïåíü ñæàòèÿ : igor 10 January 2009, 02:21:49 (http://photofile.name/photo/van2006/2360916/xlarge/42031797.gif) colibra, íå ïîçîðüòåñü!
: Re: Ñòåïåíü ñæàòèÿ : colibra 10 January 2009, 03:53:59 Êíèãà Ñèíãóðèäè (Ïîäãîòîâêà äâñ ê ñîðåâíîâàíèÿì): Íà ñîáðàííîì è îáêàòàííîì äâèãàòåëå èñòèííàÿ âåëè÷èíà ñòåïåíè ñæàòèÿ ïðîâåðÿåòñÿ êîìïðåññîìåòðîì íà ïðîãðåòîì äâèãàòåëå ñ âûâåðíóòûìè ñâå÷àìè ïðè 200-250 îá/ìèí, ò. å. ïðè îáîðîòàõ, äàâàåìûõ ñòàðòåðîì ïðè ïîëíîñòüþ çàðÿæåííîì àêêóìóëÿòîðå. Çàìåðåííîå êîìïðåññîìåòðîì çíà÷åíèå äàâëåíèÿ êîíöà òàêòà ñæàòèÿ â êàæäîì öèëèíäðå ëåãêî ïåðåñ÷èòûâàåòñÿ â ñòåïåíü ñæàòèÿ ïî ýìïèðè÷åñêîé ôîðìóëå:
ε = (Pc + 3,9)/1,55 Åñëè íå ÷èòàëè, òî ñîâåòóþ! Ôîðìóëó íå ñàì âûäóìàë à èç âûøåóïîìÿíóòîé êíèãè! Íè÷åãî ïîçîðíîãî ïîìîåìó â ýòîì íåò! : Re: Ñòåïåíü ñæàòèÿ : igor 10 January 2009, 11:12:27 ×èòàòü Ñèíãóðèíäè- ýòî äèàãíîç, à òåì áîëåå åãî öèòèðîâàòü! Ïî åãî êíèãàì æåëåçà óãðîáëåíî ñòîëüêî, ÷òî ïðåäñòàâèòü ñòðàøíî.
Ðåêîìåíäóþ ëèòåðàòóðó, íàïèñàííóþ ëþäüìè òðàäèöèîííîé îðèåíòàöèè (â ñìûñëå ìîòîðîñòðîåíèÿ). Íàïðèìåð, ó÷åáíèêè äëÿ ÂÓÇîâ. Ìîæíî íà÷àòü ñ Äüÿ÷åíêî. : Re: Ñòåïåíü ñæàòèÿ : colibra 10 January 2009, 14:10:15 Ñïàñèáî ! :D ÏÐÎÉÄÅÍÎ!
: Re: Ñòåïåíü ñæàòèÿ : Ìèøà Ê. 11 January 2009, 18:44:52 Øèã, ñïàñèáî çà îòâåò! À âîò åñëè ìîòîð 2108 èëè 2103 èëè âîîáùå îò Êàìàçà ßÌÇ-740, òî êàê áûòü åñëè åñòü íåîáõîäèìîñòü óçíàòü ñòåïåíü ñæàòèÿ?
: Re: Ñòåïåíü ñæàòèÿ : colibra 11 January 2009, 19:58:10 E=Va/Vc
Vc-îáúåì êàìåðû ñãîðàíèÿ Va-ïîëíûé îáúåì öèëèíäðà : Re: Ñòåïåíü ñæàòèÿ : Ìèøà Ê. 11 January 2009, 20:48:36 Ò.å. ïîëþáîìó ïðèä¸òñÿ ðàçáèðàòü ÄÂÑ?
: Re: Ñòåïåíü ñæàòèÿ : colibra 12 January 2009, 01:15:03 Íó åæåëè ïåðâàÿ ôîðìóëà íå êàòèò, òî äà :)
: Re: Ñòåïåíü ñæàòèÿ : Stas 12 January 2009, 05:39:58 Ò.å. ïîëþáîìó ïðèä¸òñÿ ðàçáèðàòü ÄÂÑ? Òàê à ïî ïðîñòîìó ÷òî ìåøàåò? Ïðîëèòü ýò 1å, ÷òî ShiG ïîñîâåòîâàë... Åñëè ìîòîð íåñòàíäàðòíûé - ïðîëèâàåòå êàìåðó, è ïî ññûëêå shruzzzz ââîäèòå âñå èñõîäíûå. colibra Äà ÷òîæ âàì ôîðìóëû-òî âàøè(Ñèíãóðèäè) íèêàê ïîêîÿ íå äàþò? ))) Âû õîòü ðàç äîðàáîòàííûé ìîòîð ñîáèðàëè/ðàçáèðàëè? : Re: Ñòåïåíü ñæàòèÿ : colibra 12 January 2009, 15:01:10 colibra Äà ÷òîæ âàì ôîðìóëû-òî âàøè(Ñèíãóðèäè) íèêàê ïîêîÿ íå äàþò? ))) Âû õîòü ðàç äîðàáîòàííûé ìîòîð ñîáèðàëè/ðàçáèðàëè? [/quote] Äà Ñòàñ ðàçáèðàë è ñîáèðàë ñ ýòèì âñå íîðìàëüíî ó ìåíÿ íå ïåðåæèâàé! ;D À âòîðàÿ ôîðìóëà ýòî íå Ñèíãóðèäè, â òåíèêóìàõ íàâåðíî ïðåïîäû êîòîðûå òóïåå òåáÿ ïðåïîäàþò ïî ýòîé ôîðìóëå! ×òîáû ïîñ÷èòàòü ñ.æ. ïî 2 ôîðìóëå íóæíî ñíèìàòü ãáö! Âîîáùå óñòàë ñïîðèòü ñ âàìè òîâàðèñ÷è!:) : Re: Ñòåïåíü ñæàòèÿ : admin 18 January 2009, 19:24:21 Ñïîêîéíåå-ñïîêîéíåå, ãîðÿ÷èå ôèíñêèå ïàðíè! Ñòîèëî óåõàòü íà íåäåëüêó èç ñòðàíû, êàê âû òóò óæå äðóã-äðóãà ÷ìóøèðèòü íà÷àëè! Êòî æ âèíîâàò, ÷òî â íýòå (è íå òîëüêî â íýòå) ñòîëü ìíîãî âñÿêîé ÷óøè î ñïîðòòþíèíãå íàïèñàííî... È.Ñ.
: Re: Ñòåïåíü ñæàòèÿ : Jakson 20 January 2009, 21:08:49 Íå ñïîðòå! ×òî áû ñíÿòü ãîëîâó, ìíîãî âðåìåíè íå íàäî. Çàòî ìîæíî óâèäåòü êó÷ó èíòåðåñíîãî. À çàîäíî è ïðîëèòü ãîëîâó.
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