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FAQs

FAQ

MAFUNSO AMENE AMAFUNSA KAWIRIKAWIRI

Kodi magawo akulu a chothandizira mpweya ndi chiyani?

Zoyimira zazikulu, zomwe zimawonekera kwa fani, ndi zinayi mu nambala: Mphamvu (V) Kupanikizika (p) Kuchita bwino (n) Kuthamanga kwa kuzungulira (n min.-1)

Kodi luso ndi chiyani?

Kuchuluka kwake ndi kuchuluka kwa madzimadzi osunthidwa ndi fani, mu voliyumu, mkati mwa nthawi imodzi, ndipo nthawi zambiri amawonetsedwa mu m.3/h, m3/m., m3/mphindi.

Kodi Total Pressure ndi chiyani ndipo ndingawerengere bwanji?

Kuthamanga konse (pt) ndi kuchuluka kwa kuthamanga kwa static (pst), mwachitsanzo, mphamvu yofunikira kuti ipirire mikangano yosiyana ndi dongosolo, ndi mphamvu yamphamvu (pd) kapena mphamvu ya kinetic yomwe imaperekedwa kumadzi oyenda (pt = pst + pd). ). Kuthamanga kwamphamvu kumadalira liwiro lamadzimadzi (v) ndi mphamvu yokoka (y).

formula-dinamic-pressure

Kumene:
pd= dynamic pressure (Pa)
y = mphamvu yokoka yamadzimadzi (Kg/m3)
v = liwiro lamadzimadzi pakutsegula kwa fan komwe kumagwiritsidwa ntchito ndi makina (m/sec)

formula-capacity-pressure

Kumene:
V= mphamvu (m3/sec)
A= chiyerekezo cha kutsegulira komwe kumagwiritsidwa ntchito ndi dongosolo (m2)
v = liwiro lamadzimadzi pakutsegulira kwa fan komwe kumagwiritsidwa ntchito ndi makina (m/sec)

Kodi zotuluka ndi chiyani ndipo ndingaziwerengetse bwanji?

Kuchita bwino ndi chiŵerengero chapakati pa mphamvu zomwe zimaperekedwa ndi fani ndi kulowetsa mphamvu kwa fani yoyendetsa galimoto

linanena bungwe efficency formula

Kumene:
n= kuchita bwino (%)
V= mphamvu (m3/sec)
pt = mphamvu yolowa (KW)
P= total pressure (daPa)

Kodi liwiro la kuzungulira ndi chiyani? Chimachitika ndi chiyani kusintha kuchuluka kwa zigawenga?

Liwiro la kuzungulira ndi kuchuluka kwa masinthidwe omwe amafanizira mafani amayenera kuyendetsa kuti akwaniritse zofunikira pakuchita.
Pamene kuchuluka kwa zosinthika kumasiyanasiyana (n), pomwe mphamvu yokoka yamadzimadzi imakhazikika (?), kusiyanasiyana kotsatiraku kumachitika:
Mphamvu (V) imagwirizana mwachindunji ndi liwiro la kuzungulira, chifukwa chake:

t (1)

Kumene:
n= liwiro la kuzungulira
V = mphamvu
V1 = mphamvu yatsopano yomwe imapezeka pakusinthasintha kwa liwiro la kuzungulira
n1= liwiro latsopano la kuzungulira

t (2)

Kumene:
n= liwiro la kuzungulira
pt = kuthamanga kwathunthu
pt1= kupanikizika kwatsopano komwe kumapezeka pakusinthasintha kwa liwiro la kuzungulira
n1= liwiro latsopano la kuzungulira

Mphamvu yolowetsedwa (P) imasiyana malinga ndi kuchuluka kwa kasinthasintha, chifukwa chake:

formula-speed-rotation-abs.power_

Kumene:
n= liwiro la kuzungulira
P = abs. mphamvu
P1= kulowetsa kwamagetsi kwatsopano komwe kumapezeka pakusinthasintha kwa liwiro la kuzungulira
n1= liwiro latsopano la kuzungulira

Kodi mphamvu yokoka yeniyeni ingawerengedwe bwanji?

Mphamvu yokoka yeniyeni (y) ikhoza kuwerengedwa ndi ndondomeko yotsatirayi

mphamvu yokoka

Kumene:
273= ziro mtheradi (°C)
t = kutentha kwamadzi (°C)
y= mphamvu yokoka yeniyeni ya mpweya pa t C(Kg/m3)
Pb = kuthamanga kwa barometric (mm Hg)
13.59= mphamvu yokoka ya mercury pa 0 C(kg/dm3)

Kuti muwerenge mosavuta, kulemera kwa mpweya pa kutentha kosiyanasiyana ndi utali wa asl waphatikizidwa mu tebulo ili pansipa:

Kutentha

-40 ° C

-20 ° C

0°C

10°C

15°C

20°C

30°C

40°C

50°C

60°C

70°C
Kutalika
pamwamba
nyanja
mu mita		 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
Kutentha

80°C

90°C

100°C

120 ° C

150 ° C

200 ° C

250 ° C

300 ° C

350 ° C

400°C

70C
Kutalika
pamwamba
nyanja
mu mita		 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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