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Zeziphi iiparamitha eziphambili zesixhobo sokungenisa umoya?

Iiparamitha eziphambili, uphawu kwi-fan, zine ngenani: Umthamo (V) Uxinzelelo (p) Ukusebenza kakuhle (n) Isantya sokujikeleza (n min.^-1)

Yintoni iCapacity?

Umthamo sisixa solwelo olushukunyiswa yifeni, ngokomthamo, kwiyunithi yexesha, kwaye luqhele ukubonakaliswa nge-m.³/h, m³/umz., m³/umzuzwana.

Luyintoni Uxinzelelo Olupheleleyo kwaye ndingalubala njani?

Uxinzelelo lulonke (pt) sisimbuku soxinzelelo lwe-static (pst), oko kukuthi amandla afunekayo ukumelana nokungqubana okuchaseneyo nenkqubo, kunye noxinzelelo oluguquguqukayo (pd) okanye amandla ekinetic anikezelwe kulwelo oluhambayo (pt = pst + pd) ).Uxinzelelo oluguquguqukayo luxhomekeke kwisantya sombane (v) kunye nomxhuzulane okhethekileyo (y).

ifomula-dinamic-uxinzelelo

Apho:
pd= uxinzelelo olutshintshayo (Pa)
y=umxhuzulane okhethekileyo wolwelo(Kg/m3)
v= isantya solwelo kwindawo yokuvulwa kwefeni esetyenzwe sisixokelelwano (m/sec)

ifomula-umthamo-uxinzelelo

Apho:
V= umthamo(m3/sec)
A= igeyiji yokuvula okusetyenzwe sisixokelelwano (m2)
v= isantya solwelo ekuvulweni kwefeni okusetyenzwe sisixokelelwano(m/sec)

Yintoni imveliso kwaye ndingayibala njani?

Ukusebenza kakuhle ngumlinganiselo phakathi kwamandla afunyenwe yifeni kunye negalelo lamandla kwimotor eqhubayo

Apho:
n= ukusebenza kakuhle (%)
V= umthamo (m3/sec)
pt= amandla afunliweyo (KW)
P= uxinzelelo lulonke (daPa)

Yintoni isantya sokujikeleza?Kwenzeka ntoni ukutshintsha inani le revolutions?

Isantya sojikelezo linani loguqulo oluqhutywa yi-fan impeller ukuze lufezekise iimfuno zokusebenza.
Njengoko inani lee-revolutions lihluka (n), ngelixa umxhuzulane okhethekileyo wolwelo uzinzile (?), ezi mahluko zilandelayo zenzeka:
Umthamo (V) ulungelelaniswa ngokuthe ngqo kwisantya sokujikeleza, ke ngoko:

t (1)

Apho:
n= isantya sokujikeleza
V= umthamo
V1= umthamo omtsha ofunyenweyo ekwahlukaneni kwesantya sokujikeleza
n1= isantya esitsha sokujikeleza

Apho:
n= isantya sokujikeleza
pt= uxinzelelo olupheleleyo
pt1= Uxinzelelo olutsha lulonke olufunyenwe ekwahlukaneni kwesantya sokujikeleza
n1= isantya esitsha sokujikeleza

Amandla afunnyiweyo (P) ayahluka kunye netyhubhu yomjikelezo wokujikeleza, ke ngoko:

ifomula-isantya-yokujikeleza-abs.power_

Apho:
n= isantya sokujikeleza
P= abs.amandla
I-P1= igalelo elitsha lombane elifunyenweyo xa kwahluka isantya sokujikeleza
n1= isantya esitsha sokujikeleza

Unokubalwa njani umxhuzulane othile?

Ubunzima obuthile (y) bunokubalwa ngale fomula ilandelayo

Apho:
273= uziro ngokupheleleyo(°C)
t=iqondo lokushisa lolwelo(°C)
y= umxhuzulane okhethekileyo womoya kwi-t C(Kg/m3)
Pb= uxinzelelo lwebhamethrikhi (mm Hg)
13.59= umxhuzulane okhethekileyo wemercury ku-0 C(kg/dm3)

Ukwenza ukubala kube lula, ubunzima bomoya kumaqondo obushushu ahlukeneyo kunye nobude be-asl bubandakanyiwe kwitheyibhile engezantsi:

		Ubushushu
		-40°C	-20°C	0°C	10°C	15°C	20°C	30°C	40°C	50°C	60°C	70°C
Ubude ngaphezulu umgangatho wolwandle kwiimitha	0	1,514	1,395	1,293	1,247	1,226	1,204	1,165	1,127	1,092	1,060	1,029
	500	1,435	1,321	1,225	1,181	1,161	1,141	1,103	1,068	1,035	1,004	0,975
	1000	1,355	1,248	1,156	1,116	1,096	1,078	1,042	1,009	0,977	0,948	0,920
	1500	1,275	1,175	1,088	1,050	1,032	1,014	0,981	0,949	0,920	0,892	0,866
	2000	1,196	1,101	1,020	0,984	0,967	0,951	0,919	0,890	0,862	0,837	0,812
	2500	1,116	1,028	0,952	0,919	0,903	0,887	0,858	0,831	0,805	0,781	0,758

		Ubushushu
		80°C	90°C	100°C	120°C	150°C	200°C	250°C	300°C	350°C	400°C	70C
Ubude ngaphezulu umgangatho wolwandle kwiimitha	0	1,000	0,972	0,946	0,898	0,834	0,746	0,675	0,616	0,566	0,524	1,029
	500	0,947	0,921	0,896	0,851	0,790	0,707	0,639	0,583	0,537	0,497	0,975
	1000	0,894	0,870	0,846	0,803	0,746	0,667	0,604	0,551	0,507	0,469	0,920
	1500	0,842	0,819	0,797	0,756	0,702	0,628	0,568	0,519	0,477	0,442	0,866
	2000	0,789	0,767	0,747	0,709	0,659	0,589	0,533	0,486	0,447	0,414	0,812
	2500	0,737	0,716	0,697	0,662	0,615	0,550	0,497	0,454	0,417	0,386	0,758

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Ngaba umatshini unokuhlengahlengiswa njengemfuno yethu, njengokufakwa kwilogo yethu?

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Lithini ixesha lakho lokuhamba?

7days -25days , kuxhomekeke umthamo kunye nezinto ezahlukeneyo.

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Linjani ixesha lakho lokuphendula?

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