We Have Numbers Of Free Samples

Introduction

Room area 5.2 m x 3.6 m x 2.7 m. In this case all room wall isothermal consider. (Isothermal means not heat transfer between room wall and atmosphere). In room inlet air comes to west side wall. Inlet window size 0.4 m x 0.15 m and window place centre of wall and top edge to distance 0.2 m. The discharge the discharge angle of the diffuser is horizontal. There are two extract grilles located in the north-east and south-east corners of the ceiling, with a distance of 0.2m from the upper edge of the north-and east-facing walls or south-and east-facing walls. The dimensions of the extract grilles are 0.3m x 0.3m.

Boundary Condition

1. Inlet velocity 3 m/s.
2. Room wall isothermal consider

Show in figure 1 at inlet zone pass air at 3 m/s velocity. Outlet through air pass in atmosphere.

Figure 1. Model

In figure 2 flow distribution all around room and its flow intensity higher at flow pass and blue colour in low velocity. Pressure distribution figure 3 in maximum pressure at flow strike zone (2.3 Pa) that value above gauge pressure. Other room pressure intensity around 1.10 Pa (above gauge pressure). All room wall consider isothermal so not heat transfer between room and outer atmosphere. Total energy constant 80.85 kJ/kg. (Negative sign indicated room in energy absorb to air). Show in figure 8, room wall energy distribution but that’s also constant as room energy because isothermal wall.

Figure 2. Velocity distribution

 

Figure 3. Pressure distribution

 

Figure 4 Total energy distribution

 

Figure 6. Room wall on energy distribution (Constant because isothermal wall)

Show in figure 7 flow air distribution on vector considering. In this figure flow distribution clearly indicated. Also figure 8 in stream line (approximate 1000 air particle) consider and its flow distribution indicated.  Flow to perpendicular nine different plan consider and those plan flow distributions indicated as shown in figure 9. Show in figure 10, flow to parallel four different plan considering and it’s on flow distribution indicated.

Figure 7. Velocity distribution vector consider

 

Figure 8. Velocity distribution streamline consider

 

Figure 9. Velocity distribution on plan XY

 

Figure 10. Flow distribution on YZ plan

Figure 11 to 22 in flow distribution as per time 1 second, 5 second, 10 second, 20 second, 30 second, 40 second, 50 second, 60 second, 70 second, 80 second, 90 second and 100 second respectively.

Figure 11. Flow distribution at 1 second

 

Figure 12. Flow distribution at 5 second

 

Figure 13. Flow distribution at 10 second

 

Figure 14. Flow distribution at 20 second

 

Figure 15. Flow distribution at 30 second

 

Figure 16. Flow distribution at 40 second

 

Figure 17. Flow distribution at 50 second

 

Figure 18. Flow distribution at 60 second

 

Figure 19. Flow distribution at 70 second

 

Figure 20. Flow distribution at 80 second

 

Figure 21. Flow distribution at 90 second

 

Figure 22. Flow distribution at 100 second

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