¿©·¯ Ã¥µéÀ» ã¾Æº¸´Ï Vapor - Liquid horizontal vesselÀÇ sizing ½Ã, vapor cross sectional areaÀ» °áÁ¤ ÇÒ ¶§, Å©°Ô µÎ°¡ÁöÀÇ ¹æ¹ýÀÌ ÀÖÀ½À» ¾Ë°Ô µÇ¾ú½À´Ï´Ù.
1. Souder-Brown equation À» ÀÌ¿ëÇÏ¿© max. allowable vapor velocity¸¦ ÀÌ¿ëÇÏ¿© ±¸ÇÏ´Â ¹ý.
Áï. max. allowable vapor velocity x vapor cross sectional area = vapor inlet volumetric flow rate
±×·±µ¥! Souder-Brown equation ½ÄÀ¸·Î ³ª¿Â vapor velocity´Â gravity, ºÎ·Â µîÀÇ force balance ¿¡
¼ ³ª¿Â, gravityÀÇ ¹æÇâ°ú ¹Ý´ëÀÎ, upward vertical terminal velocity ÀΰÍÀ¸·Î ¾Ë°í Àִµ¥,
Horizontal vesselÀÇ °æ¿ì´Â Vessel ¾È¿¡¼ vapor°¡ È帣´Â ¹æÇâÀÌ horizontal ¹æÇâÀÔ´Ï´Ù.
±×·±µ¥µµ Àú ½ÄÀ» ÀÌ¿ëÇÏ¿© vapor cross sectional area¸¦ ±¸Çصµ µÇ´Â °Ç°¡¿ä?
2. µÎ¹ø° ¹æ¹ýÀº, inlet liquid dropletÀÌ HLL(=high liquid level) ±îÁö µµ´ÞÇÏ´Â µ¥ °É¸®´Â ½Ã°£, Áï settling
time À» ±¸ÇÏ¿© vapor cross sectional area¸¦ ±¸ÇÏ´Â ¹æ¹ýÀε¥.
2-1) 1¹ø°ú, 2¹ø ¹æ¹ýÀÇ Àå´ÜÁ¡À» ¾Ë°í ½Í½À´Ï´Ù. ±×¸®°í ¾î´À ¹æ¹ýÀÌ ´õ Á¤È®ÇÑ Áö ¾Ë°í ½Í½À´Ï´Ù.
2-2) 2¹ø°ÀÇ ¹æ¹ýÀ¸·Î liquidÀÇ settling timeÀ» ±¸ÇÒ ¶§, ¼öÁ÷°Å¸®(=HLL - Top ±îÁöÀÇ °Å¸®)¿¡¼ 1¹ø¿¡
¼ ±¸ÇÑ max. allowable vapor velocity °ªÀ» ³ª´©¾î Á༠settling timeÀ» ±¸Çϴµ¥, ±×·¯¸é ÀÌ
max. allowable vapor velocity°¡ liquid dropletÀÇ terminal velocity °ª°ú µ¿ÀÏÇÏ´Ù´Â °ÍÀÎÁö¿ä?
±×°Ô ¸Â´Ù¸é, °á±¹ Sounder-Brown equatin¿¡¼ ¸»ÇÏ´Â max. allowable vapor velocity °ªÀº, liquid
dropletÀÇ terminal velocity °ªÀε¥, ÀÌ dropletÀÌ continuous vapor phase¿¡¼ ºÐ¸®µÇ¾î Áö±â À§ÇÏ
¿©¼´Â, liquidÀÇ terminal velocity °ªº¸´Ù´Â ÀÛ¾Æ¾ß Çؼ, max. alloable vapor velocity ¶ó°í ºÎ¸£´Â
°ÍÀÎÁö¿ä?
Áú¹®ÀÌ ³Ê¹« ±æ¾î Á˼ÛÇÕ´Ï´Ù. ¿À·§µ¿¾È ³Ê¹«³ª ³Ê¹«³ª ±Ã±ÝÇØ¿Ô´ø »çÇ×µéÀÔ´Ï´Ù.
Ȥ. Âü°íÇÒ ¹®ÇåÀÌ ÀÖÀ¸¸é ¼Ò°³ÇØ ÁÖ½Ã±æ ¹Ù¶ø´Ï´Ù.
±ä Áú¹® ÀоîÁּż °¨»çÇÕ´Ï´Ù.