Menene yawa na man gear?
Menene ke ƙayyade yawan man kayan aiki?
Ba za a iya ƙididdige yawan adadin kowane matsakaicin ruwa azaman matsakaicin lissafin abubuwan da aka haɗa a cikin abun da ke ciki ba. Misali, idan kun haɗu da lita 1 na ruwa tare da ƙarancin 1 g/cm3 da 1 lita na barasa tare da yawa na 0,78 g / cm3, a fitarwa ba za mu sami 2 lita na ruwa tare da yawa na 0,89 g / cm3. Za a sami ƙarancin ruwa, tun da kwayoyin ruwa da barasa suna da tsari daban-daban kuma suna ɗaukar nauyin daban-daban a sararin samaniya. Rarraba su uniform zai rage ƙarar ƙarshe.
Kusan wannan ka'ida tana aiki lokacin tantance yawan mai. Ƙayyadaddun nauyin kowane ɓangaren mai mai yana yin nasa gyare-gyare zuwa ƙimar ƙimar ƙarshe.
Yawan man gear ɗin ya ƙunshi ƙungiyoyi biyu na sassa.
- tushe mai. A matsayin tushe, tushen ma'adinai yanzu ana amfani dashi sau da yawa, sau da yawa - Semi-synthetic da roba. Ƙayyadaddun nauyin ma'adinai na musamman daga 0,82 zuwa 0,89 g / cm3. Synthetics sun kasance kusan 2-3% haske. Wannan shi ne saboda gaskiyar cewa a lokacin distillation na ma'adinai tushe, nauyi paraffins da kuma dogon sarƙoƙi na hydrocarbons sun fi mayar da gudun hijira (hydrocracking) ko tuba (hard hydrocracking). Polyalphaolefins da abin da ake kira mai gas suma sun ɗan fi sauƙi.
- Additives. Game da abubuwan da ake ƙarawa, duk ya dogara da takamaiman abubuwan da aka yi amfani da su. Misali, ma'auni masu kauri sun fi nauyi fiye da tushe, wanda ke ƙara yawan yawa. Sauran additives na iya duka suna ƙara yawa kuma su rage shi. Don haka, ba shi yiwuwa a yi hukunci babu shakka akan samar da fakitin ƙari kawai ta hanyar yawa.
Mafi nauyi tushen ma'adinai, ƙarancin ƙarancin man mai da aka shirya don amfani gabaɗaya ana la'akari dashi.
Menene ya shafi yawan man kayan aiki?
Gear man, a matsayin ƙãre samfurin, yana da yawa daga 800 zuwa 950 kg / m3. Babban yawa a kaikaice yana nuna halaye masu zuwa:
- ƙara danko;
- babban abun ciki na antiwear da matsananciyar ƙari;
- kasa cikakken tushe.
Ruwan watsawa don watsawa ta atomatik da wuya ya kai nauyin kilogiram 900/m3. A matsakaita, yawan ruwa na ATF yana a matakin 860 kg / m3. Man shafawa don watsa inji, musamman manyan motoci, har zuwa 950 kg / m3. Yawancin man fetur na irin wannan babban yawa suna da danko kuma sun dace kawai don aikin bazara.
Yawan man mai yana ƙara karuwa yayin aiki. Wannan ya faru ne saboda jikewar mai mai tare da oxides, kayan sawa da kuma fitar da ɓangarorin masu sauƙi. A ƙarshen rayuwar sabis ɗin su, wasu kayan mai ana haɗa su zuwa 950-980 kg/m3.
A aikace, irin wannan siga kamar yawan mai ba shi da wani amfani ga direban mota na gari. Ba tare da binciken dakin gwaje-gwaje ba, yana da wahala a faɗi takamaiman wani abu game da ingancinsa ko kaddarorinsa. Yana yiwuwa kawai tare da zato masu mahimmanci don kimanta abubuwan da ke tattare da ƙari, idan har an san nau'in tushe.
