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çºé µããã»ã¹ã广çã«ã¹ã±ãŒã«ã¢ããããèœåã¯ããã€ãªãã¯ãããžãŒã®ã€ãããŒã·ã§ã³ã忥åããããã«äžå¯æ¬ ã§ããå®éšå®€èŠæš¡ã§ææãªçµæãåŸããããšããŠãããããã®çµæãå€§èŠæš¡çç£ã«ç§»è¡ããã«ã¯ã次ã®ãããªããŸããŸãªèŠå ãæ éã«æ€èšããå¿ èŠããããŸãã
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- èŠå¶éµå®ïŒäžçäžã®ããŸããŸãªåžå Žã«ããã補åã®å®å šæ§ãšæå¹æ§ã«é¢ãã峿 ŒãªèŠå¶èŠä»¶ãæºãããŸãã
- åžå ŽéèŠã®æºããïŒåžå Žã®éèŠãæºããã®ã«ååãªéã®è£œåãçç£ããŸãã
çºé µã¹ã±ãŒã«ã¢ããã®è€éããä¹ãè¶ããããšã¯ããã€ãªãã¯ãããžãŒè£œåã忥åããã°ããŒãã«åžå Žã§ç«¶äºåªäœæ§ãç²åŸãããäŒæ¥ã«ãšã£ãŠäžå¯æ¬ ã§ããããšãã°ã埮çç©çºé µãéããŠæ°ããæçç©è³ªãéçºããŠãã補è¬äŒç€Ÿã¯ãäžçäžã®æ£è ã®ããŒãºãæºããã®ã«ååãªéã®è¬ãçç£ããããã«ãçºé µããã»ã¹ãã¹ã±ãŒã«ã¢ããã§ããããšãä¿èšŒããå¿ èŠããããŸããåæ§ã«ãã»ã«ããŒã¹ç³»ãã€ãªãã¹ãããšã¿ããŒã«ãçç£ããããšãç®æããã€ãªçæäŒç€Ÿã¯ããã€ãªçæãåç³çæã«ä»£ããå®è¡å¯èœãªä»£æ¿ææ®µãšããããã«ãå€§èŠæš¡çç£ã®ããã«çºé µããã»ã¹ãæé©åããå¿ èŠããããŸãã
çºé µã¹ã±ãŒã«ã¢ããã®äž»èŠåå
æåããçºé µã¹ã±ãŒã«ã¢ããã¯ããã€ãªããã»ã¹ãšã³ãžãã¢ãªã³ã°ã®ããã€ãã®åºæ¬çãªååã«åºã¥ããŠããŸãããããã®ååãçè§£ãé©çšããããšã¯ãå·¥æ¥èŠæš¡ã§æé©ãªããã»ã¹ããã©ãŒãã³ã¹ãéæããããã«äžå¯æ¬ ã§ãã
1. äœç©è³ªéäŒéä¿æ°ïŒkLaïŒã®äžå®ç¶æ
é žçŽ äŸçµŠã¯ãå¥œæ°æ§çºé µããã»ã¹ã«ãããå¶éèŠå ãšãªãããšããããããŸããäœç©è³ªéäŒéä¿æ°ïŒkLaïŒã¯ããã€ãªãªã¢ã¯ã¿ãŒå ã®æ°çžããæ¶²çžãžã®é žçŽ ã®äŒéé床ãèšè¿°ããéèŠãªãã©ã¡ãŒã¿ã§ããã¹ã±ãŒã«ã¢ããäžã«äžå®ã®kLaãç¶æããããšã¯ã现èãæé·ãšè£œå圢æã«ååãªé žçŽ ãåãåãããšãä¿èšŒããããã«äžå¯æ¬ ã§ããããã¯ãæ¹æé床ãéæ°é床ããã€ãªãªã¢ã¯ã¿ãŒã®åœ¢ç¶ãªã©ã®ãã©ã¡ãŒã¿ã調æŽããããšã«ãã£ãŠéæã§ããŸãã
ããšãã°ããã»ã³ãŠãžã«ãã«ããã¯ãšã³é žã®çç£ã«ãããŠãé žçŽ å¶éã¯ã¯ãšã³é žåçãå€§å¹ ã«äœäžãããå¯èœæ§ããããŸããçºé µããã»ã¹å šäœã§ååãªkLaãç¶æããããšã¯ãã¯ãšã³é žçç£ãæå€§åããããã«äžå¯æ¬ ã§ããé žçŽ å¯å空æ°ã®äœ¿çšãã€ã³ãã©èšèšã®æé©åãªã©ãããŸããŸãªæŠç¥ã䜿çšããŠé žçŽ äŸçµŠã匷åã§ããŸãã
2. æ··åæéã®äžå®ç¶æ
å¹ççãªæ··åã¯ããã€ãªãªã¢ã¯ã¿ãŒå ã®åäžæ§ã確ä¿ããåºè³ªãŸãã¯æ é€çŽ ã®å¶éãé²ããç±ãæŸæ£ããããã«äžå¯æ¬ ã§ããã¹ã±ãŒã«ã¢ããäžã«äžå®ã®æ··åæéãç¶æããããšã¯ã现èãäžæ§ãªç°å¢ãçµéšããæ é€çŽ ãpHãæž©åºŠã®åŸé ãæå°éã«æããããããã«ããããã«éèŠã§ããæ··åæéã¯ãã€ã³ãã©èšèšãã€ã³ãã©é床ããã€ãªãªã¢ã¯ã¿ãŒã®åœ¢ç¶ãªã©ã®èŠå ã«ãã£ãŠåœ±é¿ãåããå¯èœæ§ããããŸãã
åºä¹³é¡çްèå¹é€ã«ãããçµæãã¿ã³ãã¯è³ªã®çç£ãèããŠã¿ãŠãã ãããåºä¹³é¡çްèã¯ããæã«ææã§ãããéåºŠã®æ¹æã¯çްèãæå·ããã¿ã³ãã¯è³ªåçãäœäžãããå¯èœæ§ããããŸããããããæ··åãäžååã ãšãæ é€çŽ ã®å¶éã现èã®åéã«ã€ãªããå¯èœæ§ããããŸãããããã®ç«¶åããèŠå ã®ãã©ã³ã¹ããšãããã«æ··åæéãæé©åããããšã¯ãæåããã¹ã±ãŒã«ã¢ããã®ããã«äžå¯æ¬ ã§ãã
3. ããæçã®äžå®ç¶æ
ããæçãã€ãŸã飿¥ããæµäœå±€ãäºãã«ç§»åããé床ã¯ãç¹ã«åºä¹³é¡çްèãæ€ç©çްèã®ãããªããæã«ææãªçްèã®å Žåã现èçåçãšè£œåå質ã«å€§ããªåœ±é¿ãäžããå¯èœæ§ããããŸããã¹ã±ãŒã«ã¢ããäžã«äžå®ã®ããæçãç¶æããããšã¯ã现èæå·ãæå°éã«æããäžè²«ãã補åå質ã確ä¿ããããã«éèŠã§ããããæçã¯ãã€ã³ãã©é床ãã€ã³ãã©èšèšãªã©ã®ãã©ã¡ãŒã¿ã調æŽããããšã«ãã£ãŠå¶åŸ¡ã§ããŸãã
ããšãã°ãCHO现èã«ãããã¢ãã¯ããŒãã«æäœã®çç£ã§ã¯ãé床ã®ããæå¿åã¯çŽ°èæº¶è§£ã现èå ãããã¢ãŒãŒã®æŸåºã«ã€ãªãããæäœãåè§£ããå¯èœæ§ããããŸããäœããæã€ã³ãã©ã®äœ¿çšã𿹿éåºŠã®æé©åã¯ãããæå¿åãæå°éã«æããæäœçç£ãæ¹åããã®ã«åœ¹ç«ã¡ãŸãã
4. äœç©ãããã®é»åå ¥åïŒP/VïŒã®äžå®ç¶æ
äœç©ãããã®é»åå ¥åïŒP/VïŒã¯ãæ··åãšéæ°ã®ããã«ãã€ãªãªã¢ã¯ã¿ãŒã«å ¥åããããšãã«ã®ãŒã®å°ºåºŠã§ããã¹ã±ãŒã«ã¢ããäžã«äžå®ã®P/Vãç¶æããããšã¯ãããŸããŸãªã¹ã±ãŒã«ã§ãã€ãªãªã¢ã¯ã¿ãŒã®æ··åãšé žçŽ äŸçµŠç¹æ§ãé¡äŒŒããŠããããšãä¿èšŒããã®ã«åœ¹ç«ã¡ãŸãããã ããP/Vãæ··åãšé žçŽ äŸçµŠã«åœ±é¿ãäžããå¯äžã®èŠå ã§ã¯ãªãããšã«æ³šæããããšãéèŠã§ãããã€ã³ãã©èšèšããã€ãªãªã¢ã¯ã¿ãŒã®åœ¢ç¶ãªã©ã®ä»ã®ãã©ã¡ãŒã¿ãèæ ®ããå¿ èŠããããŸãã
å€ãã®çްèçºé µã§ã¯ãåºä¹³é¡çްèãšæ¯èŒããŠçްè现èãããå ç¢ã§ãããããããé«ãP/Vã蚱容ãããå ŽåããããŸãããã ãã现èçºé µã§ãã£ãŠããé床ã®P/Vã¯ãšãã«ã®ãŒæ¶è²»ã®å¢å ã«ã€ãªãããå Žåã«ãã£ãŠã¯çްèæå·ã«ã€ãªããå¯èœæ§ããããŸãããããã£ãŠãä»ã®ãã©ã¡ãŒã¿ãšçµã¿åãããŠP/Vãæé©åããããšãéèŠã§ãã
5. 幟äœåŠçé¡äŒŒæ§
ã¹ã±ãŒã«ã¢ããäžã«å¹ŸäœåŠçé¡äŒŒæ§ãç¶æããããšã¯ããã€ãªãªã¢ã¯ã¿ãŒã®å¯žæ³ïŒçŽåŸãé«ããã€ã³ãã©çŽåŸãªã©ïŒã®æ¯çãäžå®ã§ããããšãæå³ããŸããããã¯ãããŸããŸãªã¹ã±ãŒã«ã§ãã€ãªãªã¢ã¯ã¿ãŒã®æµåãã¿ãŒã³ãšæ··åç¹æ§ãé¡äŒŒããŠããããšãä¿èšŒããã®ã«åœ¹ç«ã¡ãŸããããããã³ã¹ããã¹ããŒã¹ã®å¶éãªã©ã®å®éçãªå¶çŽã«ãããå®å šãªå¹ŸäœåŠçé¡äŒŒæ§ãç¶æããããšã¯ãã°ãã°äžå¯èœã§ã¯ãããŸãããããã«ãæµäœåååŠã¯åœ¢ç¶ã®ã¿ã«ãã£ãŠæ±ºå®ãããããã§ã¯ãªããããå®å šãªå¹ŸäœåŠçé¡äŒŒæ§ã¯åæ§ã®ããã©ãŒãã³ã¹ãä¿èšŒããŸããã
ããšãã°ã幟äœåŠçã«é¡äŒŒãããã€ãªãªã¢ã¯ã¿ãŒã¯ã衚é¢ç©å¯Ÿäœç©æ¯ãç°ãªãå Žåããããããã¯ç±äŒéãšèžçºçã«åœ±é¿ãäžããå¯èœæ§ããããŸããèšç®æµäœååŠïŒCFDïŒã¢ããªã³ã°ã¯ã幟äœåŠçé¡äŒŒæ§ããã®éžè±ããã€ãªãªã¢ã¯ã¿ãŒã®ããã©ãŒãã³ã¹ã«äžãã圱é¿ãè©äŸ¡ããããã«äœ¿çšã§ããŸãã
çºé µã¹ã±ãŒã«ã¢ããã«ããã課é¡
çºé µããã»ã¹ã®ã¹ã±ãŒã«ã¢ããã¯æ°å€ãã®èª²é¡ããããããããã»ã¹ããã©ãŒãã³ã¹ã«åœ±é¿ãäžããå¯èœæ§ã®ããããŸããŸãªèŠå ãæ éã«æ€èšããå¿ èŠããããŸãã
1. é žçŽ äŸçµŠã®å¶é
ãã€ãªãªã¢ã¯ã¿ãŒã®ã¹ã±ãŒã«ã倧ãããªããšã现èãžã®ååãªé žçŽ äŸçµŠãç¶æããããšãããå°é£ã«ãªããŸããããã¯ã衚é¢ç©å¯Ÿäœç©æ¯ãæžå°ããé žçŽ ã®æ¡æ£çµè·¯ãå¢å ããããã§ããé žçŽ å¶éã¯ã现èã®æé·ã補å圢æã®äœäžãããã«ã¯çŽ°èæ»ã«ã€ãªããå¯èœæ§ããããŸãã
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- éæ°é床ãäžããŸãã
- æ¹æé床ãäžããŸãã
- é žçŽ å¯å空æ°ãŸãã¯çŽç²ãªé žçŽ ã䜿çšããŸãã
- ã€ã³ãã©èšèšãæé©åããŸãã
- 衚é¢ç©å¯Ÿäœç©æ¯ã倧ãããã€ãªãªã¢ã¯ã¿ãŒã䜿çšããŸãã
- ãã€ã¯ãããã«ãèéæ°ãªã©ã®æŠç¥ãå®è£ ããŸãã
2. ç±é€å»
çºé µããã»ã¹ã¯ãä»£è¬æŽ»åãšæ¹æã«ããç±ãçºçããŸãããã€ãªãªã¢ã¯ã¿ãŒã®ã¹ã±ãŒã«ã倧ãããªããšããã®ç±ãé€å»ããããšãããå°é£ã«ãªããæž©åºŠã®äžæãšçްèã®æé·ããã³è£œå圢æã®äœäžã«ã€ãªããå¯èœæ§ããããŸããæé©ãªæž©åºŠãç¶æããããšã¯ãé µçŽ æŽ»æ§ãšå šäœçãªçްèã®å¥åº·ã®ããã«äžå¯æ¬ ã§ãã
解決çïŒ
- å·åŽãžã£ã±ãããŸãã¯å éšå·åŽã³ã€ã«ãåãããã€ãªãªã¢ã¯ã¿ãŒã䜿çšããŸãã
- å·åŽå€ã®æµéãå¢ãããŸãã
- ããå¹ççãªå·åŽã·ã¹ãã ã䜿çšããŸãã
- ç±çºçãæžããããã«çºé µããã»ã¹ãæé©åããŸãã
- ïŒæ®çºæ§è£œåã®æå€±ãåé¡ã§ãªãå ŽåïŒèžçºå·åŽãæ€èšããŸãã
3. æ··åã®äžåäžæ§
ãã€ãªãªã¢ã¯ã¿ãŒã®ã¹ã±ãŒã«ã倧ãããªããšã容åšå šäœã§åäžãªæ··åãç¶æããããšãããå°é£ã«ãªããŸããããã¯ãæ é€çŽ ãpHãæž©åºŠã®åŸé ã«ã€ãªããå¯èœæ§ãããã现èã®æé·ãšè£œå圢æã«æªåœ±é¿ãäžããå¯èœæ§ããããŸããããããŸãŒã³ãŸãã¯æ··åãäžååãªé åã¯ãæ¯æ§å¯ç£ç©ã®èç©ãä¿é²ããå¯èœæ§ããããŸãã
解決çïŒ
- ã€ã³ãã©èšèšãæé©åããŸãã
- æ¹æé床ãäžããŸãã
- è€æ°ã®ã€ã³ãã©ã䜿çšããŸãã
- ãã€ãªãªã¢ã¯ã¿ãŒã®åœ¢ç¶ãæé©åããŸãã
- æ··åãã¿ãŒã³ãçè§£ãæé©åããããã«CFDã¢ããªã³ã°ãæ¡çšããŸãã
4. pHå¶åŸ¡
æé©ãªpHãç¶æããããšã¯ã现èã®æé·ãšè£œå圢æã«ãšã£ãŠäžå¯æ¬ ã§ãããã€ãªãªã¢ã¯ã¿ãŒã®ã¹ã±ãŒã«ã倧ãããªããšã容åšå šäœã§åäžãªpHãç¶æããããšãããå°é£ã«ãªããŸããããã¯pHåŸé ã«ã€ãªããå¯èœæ§ãããã现èã®æé·ãšè£œå圢æã«æªåœ±é¿ãäžããå¯èœæ§ããããŸãã代è¬å¯ç£ç©ã¯pHãå€§å¹ ã«ã·ãããããå¯èœæ§ããããå³å¯ãªå¶åŸ¡ãå¿ èŠã«ãªããŸãã
解決çïŒ
- é žãšå¡©åºã®æ·»å ãåããpHå¶åŸ¡ã·ã¹ãã ã䜿çšããŸãã
- pHãããŒããšé ž/å¡©åºæ·»å ç¹ã®äœçœ®ãæé©åããŸãã
- å®å®ããpHãç¶æããããã«ãããã¡ãŒã䜿çšããŸãã
- ãªã³ã©ã€ã³pHã¢ãã¿ãªã³ã°ããã³å¶åŸ¡ã·ã¹ãã ã®äœ¿çšãæ€èšããŸãã
5. 泡å¶åŸ¡
泡ã®åœ¢æã¯ãç¹ã«ã¿ã³ãã¯è³ªãç颿޻æ§å€ãå«ãçºé µããã»ã¹ã§äžè¬çãªåé¡ã§ããæ³¡ã¯ãäœæ¥å®¹ç©ã®æžå°ãæ±æãã»ã³ãµãŒããã£ã«ã¿ãŒã®è©°ãŸãã«ã€ãªããå¯èœæ§ããããŸãããŸããé žçŽ äŸçµŠã劚ããŸãã
解決çïŒ
- æ¶æ³¡å€ãæ·»å ããŸãã
- æ¹æãšéæ°é床ãæé©åããŸãã
- æ©æ¢°åŒæ³¡ç Žå£è£ 眮ã䜿çšããŸãã
- 泡ã»ã³ãµãŒã䜿çšããŠæ¶æ³¡å€ãèªåçã«æ·»å ããããšãæ€èšããŸãã
6. 圢æ ãŸãã¯ççæ©èœã®å€å
ã¹ã±ãŒã«ã倧ãããªããšã现èã¯åœ¢æ ãŸãã¯ççæ©èœã®å€åã瀺ãå ŽåããããŸããããæå¿åãŸãã¯ãã€ãªãªã¢ã¯ã¿ãŒç°å¢ã®ãã®ä»ã®å€åã¯ã现èãç°ãªãã¿ã³ãã¯è³ªãç£çããããç°ãªãæé·é床ãæã£ããããåå ãšãªãå¯èœæ§ããããŸãããããã®å€åã¯ã補ååçãšå質ã«åœ±é¿ãäžããå¯èœæ§ããããŸããããã¯ã糞ç¶èãŸãã¯åé现èå¹é€ã§ç¹ã«äžè¬çã§ãã
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- ã¹ã±ãŒã«ã¢ããäžã«çްèã®åœ¢æ ãšççæ©èœãæ³šææ·±ãç£èŠããŸãã
- æé©ãªçްèæé·ãšè£œå圢æãç¶æããããã«ãçºé µãã©ã¡ãŒã¿ïŒæž©åºŠãpHãæ é€ã¬ãã«ãªã©ïŒã調æŽããŸãã
- çš®å¹é€ã䜿çšããŠã现èããã倧ããªã¹ã±ãŒã«ç°å¢ã«åŸã ã«é©å¿ãããããšãæ€èšããŸãã
- éèŠãªããã»ã¹ãã©ã¡ãŒã¿ããªã¢ã«ã¿ã€ã ã§ç£èŠããããã«ãããã»ã¹åææè¡ïŒPATïŒãæ¡çšããŸãã
7. ç¡èæ§ã®ç¶æ
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