会所空调风机盘管系统设计毕业论文 - 百度文库

ͳܱշĩ˲÷̹ܼӶ·ϵͳ

̸ſ

3.1ص

ƵϵͳΪij5ף2030=600ƽףԡڸһ㣬Ϊ󿪼䡢ܼ䣬Ϊ䡣칫С֡һۺԽȻλڵһڡ

3.2Ʋ

1

¶ȣɡʵùȿյֲᡷȡ

1000ĵ

ƽ¶ȣ24棻

¶ȼƽֵ32棬28棻 ¶ȼƽֵ6棬10档 ļյʪȣ60? ļյʪȣ62.2? ů¶ȣ18

յ¶ȣ 10 ļյ¶ȣ 31.4 ļյƽ¶ȣ 27.2 ļյʪ¶ȣ 25.4 ļƽ² 8.1

ѹ 900hPa ļ886.34 hPa

1

άṹĴϵ ɡýյƣڶ棩ȡ

13 ҳ

ǽ 1.22 W/m2.k ⴰ 3.612 W/m2.k ţ 3.02 W/m2.k

ԱȷǸݸʹùܼʹõλҪȷģԱܶȰ¹㣻 칫ң0.2m3/hˣ ҡӴң0.5m3/hˣ

ȣԱܶȺСԲơ

豸ɽרҵṩ豸ΪװӫƣڶڣӫͨףΪ30W豸Ϊ40 W Դϣ

a.ҵ 380V50Hz b.ԴԱյ

1 3.1 Ʋɡʵùȿյֲᡷѡȡ

£棩 ļ OK Ϣ 칫 ̨ ԡ 26 26 26 26 26 26 26 26 26 18 18 18 18 18 18 18 18 18 ʪ() ļ 60 60 60 60 60 60 60 60 60 14 ҳ

·׼٣m/s m3/h.p dB(A) 40 40 40 40 40 40 40 40 40 3540 3540 3540 3540 3540 3540 3541 3542 0.20.4 0.20.4 0.20.4 0.20.4 0.20.4 0.20.4 0.20.4 0.20.5 0.20.6 20 20 20 30 30 25 30 20 20

26 18 60 40 3543 0.20.7 20 3.3Դ

1ԴȪˮ68-75棩Ȼ55ˮ 2ȫ꼯йȣ

3Դɵṩ7 oCˮˮ18 oC

3.4Ҫ

ӦݵصԴȿԴӦ

为ɼ

4.1为ɵĹ

1ͨΧṹڵ 2͸ⴰڵ 3ɢ 4ɢ 5豸ɢ 6ɢ

4.2为Ҫ

ڿյУ为ɼļ㷽һΪгӦ²һΪ为ϵ为ϵڴݺĻΪڹнһּ򻯼㷨ͨ为¶为ϵֱӴӸֵøʱ为ɡгӦ²

15 ҳ

ɵγɰ̣һţۺ¶ȣγڵḶ́˹̿ŵԼΧṹ˥ӳԡγ为ɵĹ̡˹ǽֳɶͷɷ֡ǰ˲ʱ为ɵһ֣ҪǷúŻΪ˲ʱ为ɡֵӼøʱ̵为ɡõ为ϵ为ɼ㡣

4.3յɼ

4.3.1 ǽ˲䴫为

ǽ洫γɵļʱ为Q(W)ʽ㣺 Q=KFt- ʽУ

K ǽĴϵ(W/m2.) F m2 ʱ̣ӣ

- ¶Ȳʱ̣¶Ȳǽʱ̣ӣ t- ʱ£ͨǽ为ɼ²Ƹ²档

עӳʱΪ5Сʱǽ,ȷ16㷿Ĵ为ʱ,Ӧȡʱ̦=16,ʱӳΪ=5,ʱΪӪ=16-5=11Ϊ16ǽڱ¶Ȳγɵķ为5Сʱ֮ǰǽ¶ȲĽ

ǽݶ˥ϵ<0.2ʱƽ为Qpjʱ̵为Qӣ Qpj=KFtpj ʽУ

16 ҳ

(4.1)

(4.2)

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