空调原理2课件_第1页
空调原理2课件_第2页
空调原理2课件_第3页
空调原理2课件_第4页
空调原理2课件_第5页
已阅读5页，还剩97页未读， 继续免费阅读

下载本文档

版权说明：本文档由用户提供并上传，收益归属内容提供方，若内容存在侵权，请进行举报或认领

文档简介

1、温湿度处理过程第二部分约克中国培训中心课程安排标准工况显热与潜热处理过程显热因子休息图解过程加热加湿制冷去湿通风再热空气处理装置中的热传递过程出风15.6 C新风32 C回风24 C混合空气26.7C冷冻水出水5.6C过滤器制冷盘管冷冻水回水12.8 C405070608090100110120.004.008.012.016.020.024.028Dry-bulb temperature Specific Humidity (lbs. moisture/ lb. dry air)标准工况标准工况70F14.7 psia (大气压力)含湿量为0(没有水蒸汽)标准工况下比容 = 13.35 cu

2、. ft. / lb标准工况SCFM = actual CFMactual sp volX 13.35 cu. ft. / lb公式QSH F = SCFM x T x 1.08QLH F = SCFM x gr x 0.68QTOT = SCFM x h x 4.5QTOT = QSH + QLH QX is in Btuh显热显热冷却显热5000 CFM 从80F DB/ 0 grains 加热到 90 F DB / 0 grains 显热变化示例5000 CFM 从80F DB/ 0 grains 加热到 90 F DB / 0 grains 显热变化示例SCFM = actual CF

3、Mactual sp volX 13.35 cu. ft. / lb5000 CFM 从80F DB/ 0 grains 加热到 90 F DB / 0 grains 显热变化示例SCFM = actual CFMactual sp volX 13.35 cu. ft. / lbSCFM = 500013.6X 13.35 cu. ft. / lb5000 CFM 从80F DB/ 0 grains 加热到 90 F DB / 0 grains 显热变化示例潜热潜热去湿潜热去湿加湿潜热潜热变化去湿加湿潜热潜热变化示例6339 CFM 从90F DB/ 0 grains使含湿量增加到 20 gr

4、ains潜热变化示例6339 CFM 从90F DB/ 0 grains使含湿量增加到 20 grains潜热变化示例6339 CFM 从90F DB/ 0 grains使含湿量增加到 20 grainsSCFM = actual CFMactual sp volX 13.35 cu. ft. / lb潜热变化示例6339 CFM 从90F DB/ 0 grains使含湿量增加到 20 grainsTotal Heat全热量全热量 h全热量全热示例6000 CFM 从60F DB/ 0 grains 加热加湿到90F DB/ 20 grains试问焓值变化量？全热示例6000 CFM 从60F

5、 DB/ 0 grains 加热加湿到90F DB/ 20 grains全热示例6000 CFM 从60F DB/ 0 grains 加热加湿到90F DB/ 20 grains24.914.4全热示例6000 CFM 从60F DB/ 0 grains 加热加湿到90F DB/ 20 grainsSCFM = 6119 SCFMQTOTF = SCFM x h x 4.5QTOTF = 6119 x (24.9 - 14.4) x 4.5QTOT = 289,123 Btu/hSCFM = 600013.09X 13.35 cu. ft. / lb24.914.4全热示例6000 CFM 从

6、60F DB/ 0 grains 加热加湿到90F DB/ 20 grains回风与供风RA回风与供风RASA回风与供风过程线RASA回风与供风RASA回风与供风加热加湿RASA室内过程回风与供风加热加湿加热加湿RASA机组内过程室内过程回风与供风室内空气与供风去热去湿SARA室内过程机组内过程显热因子 (SHF)显热因子 (SHF)基准工况: 78F / 50% RH 显热损失 = 50,000 Btu/h潜热损失 = 10,000 Btu/hSHF = QSHQSH + QLH=QSHQTOT显热因子 (SHF)7850% RHSHF = QSHQSH + QLH=QSHQTOT显热因子

7、(SHF)基准工况: 78F / 50% RH 显热损失 = 50,000 Btu/h潜热损失 = 10,000 Btu/h7850% RHSHF = QSHQSH + QLH=QSHQTOTSHF = 50,00050,000 + 10,000显热因子 (SHF)基准工况: 78F / 50% RH 显热损失 = 50,000 Btuh潜热损失 = 10,000 Btuh7850% RHSHF = QSHQSH + QLH=QSHQTOTSHF = 50,00050,000 + 10,000SHF = 0.833显热因子 (SHF)基准工况: 78F / 50% RH 显热损失 = 50,0

8、00 Btu/h潜热损失 = 10,000 Btu/hSHF.8337850% RHSHF = QSHQSH + QLH=QSHQTOTSHF = 50,00050,000 + 10,000SHF = 0.833显热因子 (SHF)基准工况: 78F / 50% RH 显热损失 = 50,000 Btu/h潜热损失 = 10,000 Btu/hSHF.8337850% RHSHF = QSHQSH + QLH=QSHQTOTSHF = 50,00050,000 + 10,000SHF = 0.833显热因子 (SHF)基准工况:78F / 50% RH 显热损失 = 50,000 Btu/h潜

9、热损失 = 10,000 Btu/hSHF50% RH75F/ 40% RH40,000 Btu/h15,000 BTU/H78显热因子 (SHF)基准工况: 78F / 50% RH 显热损失 = 50,000 Btu/h潜热损失 = 10,000 Btu/hSHF50% RH78SHF = QSHQSH + QLH=QSHQTOT显热因子 (SHF)基准工况: 78F / 50% RH 显热损失 = 50,000 Btu/h潜热损失 = 10,000 Btu/h75F/ 40% RH40,000 Btu/h15,000 BTU/HSHF50% RH78SHF = QSHQSH + QLH=

10、QSHQTOTSHF = 40,00040,000 + 15,000显热因子 (SHF)基准工况: 78F / 50% RH 显热损失 = 50,000 Btu/h潜热损失 = 10,000 Btu/h75F/ 40% RH40,000 Btu/h15,000 BTU/HSHF7850% RHSHF = QSHQSH + QLH=QSHQTOTSHF = 40,00040,000 + 15,000SHF = 0.889显热因子 (SHF)基准工况: 78F / 50% RH 显热损失 = 50,000 Btu/h潜热损失 = 10,000 Btu/h75F/ 40% RH40,000 Btu/

11、h15,000 BTU/HSHF.8897850% RHSHF = QSHQSH + QLH=QSHQTOTSHF = 40,00040,000 + 15,000SHF = 0.889显热因子 (SHF)基准工况: 78F / 50% RH 显热损失 = 50,000 Btu/h潜热损失 = 10,000 Btu/h75F/ 40% RH40,000 Btu/h15,000 BTU/HSHF.8897850% RHSHF = QSHQSH + QLH=QSHQTOTSHF = 40,00040,000 + 15,000SHF = 0.889显热因子 (SHF)基准工况: 78F / 50% R

12、H 显热损失 = 50,000 Btu/h潜热损失 = 10,000 Btu/h75F/ 40% RH40,000 Btu/h15,000 BTU/HSHF.8897850% RH40% RH75SHF = QSHQSH + QLH=QSHQTOTSHF = 40,00040,000 + 15,000SHF = 0.889显热因子 (SHF)基准工况: 78F / 50% RH 显热损失 = 50,000 Btu/h潜热损失 = 10,000 Btu/h75F/ 40% RH40,000 Btu/h15,000 BTU/HSHF.8897850% RH40% RH75SHF = QSHQSH

13、+ QLH=QSHQTOTSHF = 40,00040,000 + 15,000SHF = 0.889显热因子 (SHF)基准工况: 78F / 50% RH 显热损失 = 50,000 Btu/h潜热损失 = 10,000 Btu/h75F/ 40% RH40,000 Btu/h15,000 BTU/H休息图解过程加热加湿制冷去湿通风再热室内设计工况: 78F/ 50% RH 显热损失 = 50,000 Btu/h潜热损失 = 10,000 Btu/h加热加湿78120加热加湿室内设计工况: 78F/ 50% RH 显热损失 = 50,000 Btu/h潜热损失 = 10,000 Btu/h

14、Hot Water CoilHumidifierFanRoom78120加热加湿室内设计工况: 78F/ 50% RH 显热损失 = 50,000 Btu/h潜热损失 = 10,000 Btu/hAFanRoomA78120Hot Water Coil加热加湿Humidifier室内设计工况: 78F/ 50% RH 显热损失 = 50,000 Btu/h潜热损失 = 10,000 Btu/hABFanRoomAB78120Hot Water Coil加热加湿Humidifier室内设计工况: 78F/ 50% RH 显热损失 = 50,000 Btu/h潜热损失 = 10,000 Btu/h

15、ABCFanRoomABC78120Hot Water Coil加热加湿Humidifier室内设计工况: 78F/ 50% RH 显热损失 = 50,000 Btu/h潜热损失 = 10,000 Btu/hABCFanRoomABC78120Hot Water Coil加热加湿Humidifier室内设计工况: 78F/ 50% RH 显热损失 = 50,000 Btu/h潜热损失 = 10,000 Btu/hFanRoomABC78120Hot Water CoilRASA1SA加热加湿Humidifier室内设计工况: 78F/ 50% RH 显热损失 = 50,000 Btu/h潜热损

16、失 = 10,000 Btu/h78120RASA1SA加热加湿室内设计工况: 78F/ 50% RH 显热损失 = 50,000 Btu/h潜热损失 = 10,000 Btu/h78120RASA1SA加热加湿需要多大风量（SCFM）？室内设计工况: 78F/ 50% RH 显热损失 = 50,000 Btu/h潜热损失 = 10,000 Btu/h78120QSHF = SCFM x T x 1.08RASA1SA加热加湿需要多大风量（SCFM）？室内设计工况: 78F/ 50% RH 显热损失 = 50,000 Btu/h潜热损失 = 10,000 Btu/h QSHT x 1.0878

17、120SCFM=RASA1SA加热加湿QSHF = SCFM x T x 1.08需要多大风量（SCFM）？室内设计工况: 78F/ 50% RH 显热损失 = 50,000 Btu/h潜热损失 = 10,000 Btu/h 50,000 Btu/h(120F- 78F）x1.08 QSHT x 1.0878120SCFM=SCFM=RASA1SA加热加湿QSHF = SCFM x T x 1.08需要多大风量（SCFM）？室内设计工况:78F/ 50% RH 显热损失 = 50,000 Btu/h潜热损失 = 10,000 Btu/h QSHT x 1.0878120SCFM=SCFM=SC

18、FM=1102 SCFMRASA1SA加热加湿QSHF = SCFM x T x 1.08 50,000 Btu/h(120F- 78F） x 1.08需要多大风量（SCFM）？室内设计工况:78F/ 50% RH 显热损失 = 50,000 Btu/h潜热损失 = 10,000 Btu/h制冷去湿SHF制冷去湿室内设计工况: 75F/ 64 gr. 显热损失 = 80,000 Btu/h潜热损失 = 20,000 Btu/hSHF制冷去湿75SHF制冷去湿室内设计工况: 75F/ 64 gr. 显热损失 = 80,000 Btu/h潜热损失 = 20,000 Btu/h75SHFSHF =

19、QSHQSH + QLH=QSHQTOT制冷去湿室内设计工况: 75F/ 64 gr. 显热损失 = 80,000 Btu/h潜热损失 = 20,000 Btu/h75SHFSHF = QSHQSH + QLH=QSHQTOTSHF = 80,00080,000 + 20,000制冷去湿室内设计工况: 75F/ 64 gr. 显热损失 = 80,000 Btu/h潜热损失 = 20,000 Btu/h75SHFSHF = QSHQSH + QLH=QSHQTOTSHF = 80,00080,000 + 20,000SHF = 0.800制冷去湿室内设计工况: 75F/ 64 gr. 显热损失

20、= 80,000 Btu/h潜热损失 = 20,000 Btu/h75SHFSHF = QSHQSH + QLH=QSHQTOTSHF = 80,00080,000 + 20,000SHF = 0.800.800制冷去湿室内设计工况: 75F/ 64 gr. 显热损失 = 80,000 Btu/h潜热损失 = 20,000 Btu/h75SHFSHF = QSHQSH + QLH=QSHQTOTSHF = 80,00080,000 + 20,000SHF = 0.800.800制冷去湿室内设计工况: 75F/ 64 gr. 显热损失 = 80,000 Btu/h潜热损失 = 20,000 Bt

21、u/h75SHF90% RHSHF = QSHQSH + QLH=QSHQTOTSHF = 80,00080,000 + 20,000SHF = 0.800.800制冷去湿室内设计工况: 75F/ 64 gr. 显热损失 = 80,000 Btu/h潜热损失 = 20,000 Btu/h54.575SHF90% RHSHF = QSHQSH + QLH=QSHQTOTSHF = 80,00080,000 + 20,000SHF = 0.800.800制冷去湿室内设计工况: 75F/ 64 gr. 显热损失 = 80,000 Btu/h潜热损失 = 20,000 Btu/h54.575SHF90

22、% RHSARASHF = QSHQSH + QLH=QSHQTOTSHF = 80,00080,000 + 20,000SHF = 0.800.800制冷去湿室内设计工况: 75F/ 64 gr. 显热损失 = 80,000 Btu/h潜热损失 = 20,000 Btu/h54.575SHF90% RHSARA.800FanRoomCooling CoilRASA制冷去湿室内设计工况: 75F/ 64 gr. 显热损失 = 80,000 Btu/h潜热损失 = 20,000 Btu/h54.575SHF90% RHSARA.800制冷去湿室内设计工况: 75F/ 64 gr. 显热损失 = 80,000 Btu/h潜热损失 = 20,000 Btu/h54.575SHF90% RHSARA.800制冷去湿需要多大风量（SCFM）？室内设计工况: 75F/ 64 gr. 显热损失 = 80,000 Btu/h潜热损失 = 20,000 Btu/h54.575SHF90% RHSARA.800QSHF = SCFM x T x 1.08制冷去湿需要多大风量（SCFM）？室内设计工况: 75F/ 64 gr. 显热损失 = 80,000 Btu/h潜热

人人文库> 全部分类> 行业资料 > 医学制药

温馨提示

  • 1. 本站所有资源如无特殊说明，都需要本地电脑安装OFFICE2007和PDF阅读器。图纸软件为CAD,CAXA,PROE,UG,SolidWorks等.压缩文件请下载最新的WinRAR软件解压。
  • 2. 本站的文档不包含任何第三方提供的附件图纸等，如果需要附件，请联系上传者。文件的所有权益归上传用户所有。
  • 3. 本站RAR压缩包中若带图纸，网页内容里面会有图纸预览，若没有图纸预览就没有图纸。
  • 4. 未经权益所有人同意不得将文件中的内容挪作商业或盈利用途。
  • 5. 人人文库网仅提供信息存储空间，仅对用户上传内容的表现方式做保护处理，对用户上传分享的文档内容本身不做任何修改或编辑，并不能对任何下载内容负责。
  • 6. 下载文件中如有侵权或不适当内容，请与我们联系，我们立即纠正。
  • 7. 本站不保证下载资源的准确性、安全性和完整性, 同时也不承担用户因使用这些下载资源对自己和他人造成任何形式的伤害或损失。

最新文档

评论

0/150

提交评论