Nazarin gwaji na famfon slurry na china da jagorar ci gaba na gaba
Tare da PIV , fasahar LDV da fasahar ultrasonic balagagge , mutane za su iya amfani da waɗannan fasahohin ci gaba a cikin gwaje-gwajen filayen kwarara ba tare da tsangwama ba na ma'auni mai mahimmanci.
Wasu daga cikin waɗannan fasahohin ci gaba da aka yi amfani da su ta hanyar amfani da filin famfo famfo na china slurry a Kanada, za mu iya amfani da wannan batu PIV (ɓangarorin hoton velocimetry) ya gudanar da nazarin gwaji, wanda babban abun ciki shine rarraba famfo lokacin da ƙaddarar filin gudana daban-daban. gudana da bambanci lokacin da aka gauraye lokaci da filin kwararar lokaci-lokaci a cikin famfon slurry na china kamanni da bambance-bambance.
Hanyar gwaji:
Amfani da yawa da danko na danyen mai irin wannan farin mai masana'antu a matsayin matsakaicin gwaji, da farin mai tare da yawa kusa da GDX501 polystyrene beads azaman abubuwan ganowa. Ƙarfin haske mai ƙarfi ta amfani da janareta na laser neon 10W da kuma tsarin gani mai dacewa a sakamakon hasken kyamarar PIV, da kuma amfani da bidiyo ko hanyoyin daukar hoto daukar hotuna PIV. Don yanayi daban-daban, bi da bi, a ƙarƙashin yanayi guda-ɗaya da yanayin kwararar matakai biyu matsakaicin china slurry famfo famfo bututu, bawul, fistan da sauran sassa na rikodin hoto na PIV da daukar hoto, don shirya don ƙarin bincike da aiki.
Sakamakon gwaji da bincike:
Kamar yadda nazarin zurfin-riji famfo kafaffen bawul sassa kwarara filin yana da daidai sakamakon bincike, da kuma gas-ruwa biyu-lokaci image aiki shirin PIV ba cikakke ba, don haka a nan ne mayar da hankali a kan bincike na kwarara matsakaici china slurry famfo lokacin tafiya. bawul da ginshiƙin ruwa-lokaci ɗaya na Cyprus sassan filin kwarara.
Motsi na china slurry famfo
A cikin gwaje-gwajen, motsi na bawul da kuma rayuwa china slurry famfo mutane san shi ba daidai ba ne, ban da wasanni na tsaye tsaye motsi, tare da motsi biyu na juyawa. Lokacin da ƙananan piston gudun, ƙwallon a kusa da axis a kwance na juyawa a ƙarƙashin; Lokacin da saurin fistan ya fi girma, jujjuyawar ƙwallon a kusa da axis na tsaye da ramukan kwance tare da kusurwoyin ciki na wannan kusurwoyin kujerar bawul na tsakiya na juyi. Gudun saurin kusurwa na jujjuyawar motsi na plunger, mafi girman saurin motsi na plunger, mafi girman saurin jujjuyawar angular na ƙwallon. Tsarin motsa jiki na musamman yana da alaƙa da tasirin keɓantaccen ƙwallon ƙwallon da ƙwallon bawul, tsarin kujerar bawul mai alaƙa. china slurry famfo famfo bawul ne ball bawul , lokacin da ruwa gudana a kusa da shi a cikin raya bangaren na sabon abu zai faru daga iyaka Layer , yayin da samar da wani a gefe karfi tashin hankali . Saboda ma'auni na ƙwallon , wannan ƙarfin motsa jiki na gefe a kusa da ball tare da "equator" sake zagayowar don motsa bawul ball ba ko da yaushe a cikin wurin zama ramin axis line, amma ya karkata daga nesa kuma kusa da wurin zama a kusurwar. juyi, wanda shine lamarin "juyin juya hali".
Bugu da kari , saboda rashin zaman lafiya na ruwa ya kwarara da ruwa ball sabani lalacewa ta hanyar dangi motsi na ball bawul asymmetry na ball zai sami wasu scratching tafi, don haka wannan ba a kaikaice karfi aiki a kan tsakiyar Sphere , amma a jirgin sama a kwance da wani ƙayyadaddun yanayi, akwai bawul ɗin ƙwallon ƙwallon da ke juyawa a cikin jirgin sama na kwance, watau, ”juyawa” sabon abu. Ana samun waɗannan ƙaddamarwa a cikin yanayin ruwa mai tsabta . Lokacin da gas-ruwa gauraye lokaci kwarara , saboda gaban kumfa , da kwarara filin ne mafi tsanani tashin hankali , da kuma kumfa na ball yana da wani tasiri, wannan lokacin da ball motsi ne mafi hadaddun , ban da Rotary motsi . haka kuma sama da kasa ana bugun tashin hankali.
An ƙaddamar da cewa an yi fam ɗin slurry na china don magance abubuwan haɓakawa masu zuwa:
( 1 ) kwallon yana daya daga cikin manyan abubuwan da ake amfani da su na famfo famfo na china , kuma suna sanye da sassa, wanda ke ƙayyade ingancin famfo da sake zagayowar dubawa. Shawarwari don gauraye-lokaci kwarara china slurry famfo famfo eccentric spherical bawul ball, mai gudu kunkuntar china slurry famfo ta amfani da digo-dimbin ball na yashi yin famfo rijiyoyin inlated da china slurry famfo an rufe ta amfani da tapered roba ball.
( 2 ) a cikin yanki don tabbatar da matsakaicin yanayin da ya wuce kima , ya kamata a daidaita siffar giciye-ɓangare na valve dome kamar yadda zai yiwu don rage yawan juriya.
( 3 ) tsarin zane na plunger , da streamlined zane ya kamata a yi la'akari ko da ƙananan ƙarshen plunger -type tsotsa kararrawa bakin don rage tsotsa juriya . Fitar Plunger yana tabbatar da matsakaicin madaidaicin sashin giciye, yayin da aka tsara hanyar kwararar hanyar plunger don a daidaita shi don rage juriya mai juriya na plunger akan kanti.
Lokacin aikawa: Yuli-13-2021