The Development of the Computer-Aided Design Software for the Air-Condition and Dehumidfying Finned-Tube Heat Exchangers
碩士 === 國立成功大學 === 機械工程研究所 === 84 === There are two parts in this paper . For the first part , annduced wind tunnel was used to measure the heat transfer andressure friction factor for circular finned-tube heat exch- ngers in both dry and wet conditions ....
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ndltd-TW-084NCKU04890162016-02-05T04:16:28Z http://ndltd.ncl.edu.tw/handle/89371644016699020534 The Development of the Computer-Aided Design Software for the Air-Condition and Dehumidfying Finned-Tube Heat Exchangers 空調除濕用之鰭管式熱交換器電腦輔助設計軟體開發 Thong-Chi Liu 劉榮其 碩士 國立成功大學 機械工程研究所 84 There are two parts in this paper . For the first part , annduced wind tunnel was used to measure the heat transfer andressure friction factor for circular finned-tube heat exch- ngers in both dry and wet conditions . The ambient tempera-ure and humidity were controlled at 25 ℃ and 70﹪ . Thexperimental results indicated that the sensible Colburn fac-or was 3~12﹪ higher than the Colburn factor for the dry coilsnd the wet coils friction factor was 2~13﹪ higher than thatf the dry coils . we also developed an equation to predicatehe heat transfer coefficient of wet coils . By comparing with the present experimental data , it wereound that Briggs&Young''s predications for dry coils wereood agreement with the experimental data . Robinson&Briggs''redications were higher than the experimental data . Theew correlation of and factors have been developed . The second part of this paper is to develop an interactiveomputer - aided design software for both circular finned-tubend plate finned-tube heat exchangers . In the design logic ,e divided the coils into three cases by comparing the coilsurface temperature and the dew point temperature .1)completely dry : when the outlet dew point temperature is higher than the coils surface temperature .2)partially dry and partially wet : when the inlet dew point temperature is higher than the coils surface temperature and the outlet dew point temperature is lower than the coils surface temperature .3)completely wet : when the inlet dew point temperature is lower than the coils surface temperature .his program was written by Quick BASIC language and can beun in any personal computer . It can solve the rating pro-lem and sizing problem friendly and rapidly . in plate-fin and tube heat exchangers.of Jiin-Yuh Jang 張錦裕 1996 學位論文 ; thesis 22 zh-TW |
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碩士 === 國立成功大學 === 機械工程研究所 === 84 === There are two parts in this paper . For the first part ,
annduced wind tunnel was used to measure the heat transfer
andressure friction factor for circular finned-tube heat exch-
ngers in both dry and wet conditions . The ambient tempera-ure
and humidity were controlled at 25 ℃ and 70﹪ . Thexperimental
results indicated that the sensible Colburn fac-or was 3~12﹪
higher than the Colburn factor for the dry coilsnd the wet
coils friction factor was 2~13﹪ higher than thatf the dry
coils . we also developed an equation to predicatehe heat
transfer coefficient of wet coils . By comparing with the
present experimental data , it wereound that Briggs&Young''s
predications for dry coils wereood agreement with the
experimental data . Robinson&Briggs''redications were higher
than the experimental data . Theew correlation of and factors
have been developed . The second part of this paper is to
develop an interactiveomputer - aided design software for both
circular finned-tubend plate finned-tube heat exchangers . In
the design logic ,e divided the coils into three cases by
comparing the coilsurface temperature and the dew point
temperature .1)completely dry : when the outlet dew point
temperature is higher than the coils surface temperature
.2)partially dry and partially wet : when the inlet dew point
temperature is higher than the coils surface temperature and
the outlet dew point temperature is lower than the coils
surface temperature .3)completely wet : when the inlet dew
point temperature is lower than the coils surface temperature
.his program was written by Quick BASIC language and can beun
in any personal computer . It can solve the rating pro-lem and
sizing problem friendly and rapidly . in plate-fin and tube
heat exchangers.of
|
author2 |
Jiin-Yuh Jang |
author_facet |
Jiin-Yuh Jang Thong-Chi Liu 劉榮其 |
author |
Thong-Chi Liu 劉榮其 |
spellingShingle |
Thong-Chi Liu 劉榮其 The Development of the Computer-Aided Design Software for the Air-Condition and Dehumidfying Finned-Tube Heat Exchangers |
author_sort |
Thong-Chi Liu |
title |
The Development of the Computer-Aided Design Software for the Air-Condition and Dehumidfying Finned-Tube Heat Exchangers |
title_short |
The Development of the Computer-Aided Design Software for the Air-Condition and Dehumidfying Finned-Tube Heat Exchangers |
title_full |
The Development of the Computer-Aided Design Software for the Air-Condition and Dehumidfying Finned-Tube Heat Exchangers |
title_fullStr |
The Development of the Computer-Aided Design Software for the Air-Condition and Dehumidfying Finned-Tube Heat Exchangers |
title_full_unstemmed |
The Development of the Computer-Aided Design Software for the Air-Condition and Dehumidfying Finned-Tube Heat Exchangers |
title_sort |
development of the computer-aided design software for the air-condition and dehumidfying finned-tube heat exchangers |
publishDate |
1996 |
url |
http://ndltd.ncl.edu.tw/handle/89371644016699020534 |
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