mixture of many hospitality fields such as service science(Online booking system, Aircraft technology, IT system for serving customers ), service marketing for ticket sales like hotel industry and food-service industry. For these reasons, we chose airline industry and AMR Corporation and US Airways airlines.
AMR Corporation and US Airways are the airlines among ‘Legacy carriers’ of US airli
ration Model
foolish model 이후 순수한 ethanol을 얻기 위한 separtion공정이다.
① D1 unit (distillation)
원할한 azeotropic distillation을 하기 위하여 별도의 Distillation 유닛을 달아 separartion model로 들어오는 feed stream을 water와 ethanol의 azeotrope point 조성으로 맞추어 주었다.
그림 53. D1 unit
1-AZ stream
mole fraction
2.7 Shrinkage
- Theoretical value: (a=35, : Maximum Shrinkage Strain Ratio)
- The process of finding 'a'
1. Arranging excel data
2. Finding 'a' with using a grapher program
(Converting Excel data into graph shape)
(Standardization of graph through regression analysis)-회귀분석을 통한 그래프 평균화
(Finding 'a' with using shrinkage equation)
3. Finding 'a'
결정되며, 일반적으로 상항복점으로써 항복점응력 를 표시한다.
③ 하항복점을 지나면 소성영역(plastic range)을 거쳐 변형률 경화현상(strain hardening)이 나타나며 U점에서 최대응력으로 되고, 이후부터 응력이 점차로 줄어들어도 변형률은 증가하는 변형률연화현상(strain softening)을 나타내다 B점에 이르러
2. Objective
1) To investigate of solid-liquid mixture flow characteristics in a slim hole annulus
2) Effect of pipe rotation, fluid property, annulus inclination on the particle transport velocity, transport efficiency and pressure drop
3. Theoretical background
3.1 Reynolds number
Reynolds number can be defined for a number of different situations where a fluid is in relativ