Chidziwitso cha mawu a pampu wamba (2) - Kuchita bwino + mota

liwiro lamphamvu
1. Mphamvu Yogwira Ntchito:Amatchedwanso mphamvu yotulutsa. Zimatanthawuza mphamvu zomwe zimapezedwa ndi
madzi oyenda mu mpope wa madzi mu nthawi imodzi kuchokera m'madzi
mpope .

Pe=ρ GQH/1000 (KW)

ρ——Kuchuluka kwa madzi operekedwa ndi mpope (kg/m3)
γ——Kulemera kwa madzi operekedwa ndi mpope (N/m3)
Q——Kuthamanga kwapampu (m3/s)
H——Pampu mutu (m)
g——Kuthamanga kwa mphamvu yokoka (m/s2).

2.Kuchita bwino
Amatanthawuza kuchuluka kwa chiŵerengero cha mphamvu yogwira ntchito ya mpope ku mphamvu ya shaft, yofotokozedwa ndi η. Sizingatheke kuti mphamvu zonse za shaft zitumizidwe kumadzimadzi, ndipo pali kutaya mphamvu mu mpope wamadzi. Choncho, mphamvu yabwino ya mpope nthawi zonse imakhala yochepa kuposa mphamvu ya shaft. Kuchita bwino kumawonetsa kuchuluka kwamphamvu kwa kutembenuka kwamphamvu kwa mpope wamadzi, ndipo ndikofunikira kwambiri paukadaulo ndi zachuma pampopi yamadzi.

η =Pe/P×100%

3. Mphamvu ya shaft
Amatchedwanso mphamvu yolowetsa. Zimatanthawuza mphamvu yomwe imapezedwa ndi pompopompo shaft kuchokera pamakina amagetsi, omwe amawonetsedwa ndi P.

PShaft mphamvu =Pe/η=ρgQH/1000/η (KW)

4. Kufananiza mphamvu
Zimatanthawuza mphamvu yamakina amagetsi ofananira ndi mpope wamadzi, womwe umayimiridwa ndi P.

P (Matching Power)≥ (1.1-1.2) PShaft mphamvu

5.Kuthamanga Kwambiri
Zimatanthawuza chiwerengero cha kusintha kwa mphindi imodzi ya choyikapo cha mpope wa madzi, chomwe chimayimiridwa ndi n. Ndi unit r/min.