Smoke extraction system.

 

 

 

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Assignment Details – Answer ALL Questions
This is a sprinklered 5-storey shopping mall with smoke extraction system. The entire
mall has been split into 3 fire compartments (i.e. Arcade 1, Atrium & Arcade 2) by
automatic fire shutters as shown below. The layout of the mall is shown in the sketch
below. The ceiling-to-floor height is assumed to be 4m.
Figure 1 Typical Floor Plan of the shopping mall
Figure 2 Section at the centre of the shopping mall
x
y
Not to scale
x
y
Not to scale
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The fire breaks out at the centre of the atrium as described below and indicated in
Figure 3.
Fire
Scenario
Location Growth
Rate
Maximum Heat
Release Rate
Dimension of fire
bed
1 Centre of
Atrium at
G/F
Medium 1.0MW 2mx2m
2 Centre of
Atrium at
G/F
Ultra-Fast 1.5MW 3mx3m
Figure 3 Fire scenarios to be studied
Each student needs to complete the following tasks:
1. CFAST is a zone model that divide the compartment into two control volumes,
a relatively hot upper layer and a relatively cool lower layer, please derive the
system of ordinary differential equation for the compartment pressure. Each
student shall use CFAST to simulate the impact of fires and smoke in the
building environment for 10 minutes duration. The smoke layer height, smoke
temperature and gases concentration of the fire compartments shall also be
reported. (30 Marks)
2. Each student shall also use the Fire Dynamics Simulator (FDS) to predict the
following for 10 minutes duration: (40 Marks)
 Temperature distribution;
 CO concentration;
 Soot visibility distribution;
 Radiation heat flux along the egress route.
3. Please propose the smoke extraction system with recommended flowrate to
extent the ASET of the shopping mall. (30 Marks)
x
y
Not to scale
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Remarks
Each student shall:
 state the assumptions,
 state boundary conditions,
 state approaches;
 reporting the simulation results and related screenshots captured in
Smokeview for each fire scenario;
 maximum 30 pages and printed on both sides.
Marking Criteria for Assignment
The submitted assignment will be marked according to the following criteria:
Questions Marking
Allocation
Marking Criteria
Q1 30 Demonstrate both understanding and application of
CFAST and evaluative skills on the fire and smoke
development for the designed fire scenario.
Q2 40 Demonstrate the use of FDS with fire engineering
knowledge and relevant material. Assumption shall be
made with appropriate supporting materials like
guidebook, journal paper and etc.
Q3 30 Application of fire safety measures like the smoke
extraction system for fire safety level enhancement with
FDS results.
Total 100

 

 

Sample Solution

 

 

 

Wear Quixote, Ann Frank and Guido: Optimistic Characters

In Man’s of La Mancha, a mainstream show constrained by Spanish Inquisition, a man named Cervantes acted in a jail situated in Quinoa. Quinoa made another self, Don Quixote de la Mancha was a romantic and decided to consistently focus on the great side of life. Wear Quixote is extremely hopeful, and regardless of how idiotic he is, he will probably carry euphoria to other people. Wear Quixote’s optimistic mentality towards life was not terrified of him being dismissed. He acknowledged this and he was truly intended to persuade individuals that he is really a knight, the Cavaliers no longer exist in this time, the period of the Cavaliers finished more than 300 years .

There are essentially two various types of Castile in Don Quixote. The old Castile is just Don Quixote, however the remainder of the characters talk contemporary Spanish. The old Castilla of Don Quixote is a comical asset – he replicated the language utilized in his insane knight’s books; ordinarily he can not fathom him as a result of his language when he spoke It is excessively old. This diversion impact is presently difficult to peruse, as the peruser must have the option to recognize the two old forms of the language, however individuals will turn out to be popular once the book is distributed. (English interpretation can be acknowledged by letting Don Quixote utilize King James Bible or Shakespeare English, and even Middle English.)

This discussion between Don Quixote and different characters brings up issues about the truth and dependability of text. Wear Quixote ties the truth of the first sentence with the language, and different characters center around the authentic centrality of the resulting sentence. Furthermore, it plainly expresses that Benegli, the first writer of this book, raised explicit issues. As a matter of first importance, the peruser knows from the narratives of a few better places in the book whether the Don Quixote was composed by the Moor. Spain zone Especially Venezueli are Moorish individuals, they will in general be very lying. The creators of this experience story are obviously Spanish. At that point Benigli turned into an interpreter of a similar book as the storyteller. This book may have been composed by an obscure essayist. Amadis de Gaul is likewise viewed as the wellspring of the Order in the book. The storyteller requested an examination between Amadis de Gaul and Don Quixote. The truth and unwavering quality of data sources have been disassembled, and perspectives between the writings of work are uncovered by citing different sources. One (Benegeli’s book) envisions like an undertaking of Don Quixote and ought to be viewed as a relative of the essayist’s mind. The subsequent source (Amadis de Gaul) is the genuine wellspring of Don Quixote.

 

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