8/19/2019 Jet Fan Selection & Simulation Process
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Jet Fan Selection& Simulation
R & D, Kruger
Content
• Jet Fan Selection
• Simulation Process
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Jet Fan Selection
• Questionnaire for Jet Fan Selection
A Company
Project
Contact Person
B 1 Fl ow Rate c mh / cm s / cfm ( Pls de let e where i nappl ic ab le )
2 Outlet velocity requirement m/sThrow requirement m/s @ m
3 Application (Pls tick accordingly)
Car Park Tunnel Stadium Warehouse
Others (Pls specify )
4 Appl ica ti on Norm al Smoke Ext ra ct (P ls g o t o 6 a)Both (Pls go to 6a)
5 Fan type Axial Cabinet
6 Fan Spec
a. Axial
Max Diameter mm Max Power KWFan Speed rpm Attenuator D
b. CabinetNozzle Number pcs Nozzle Diameter mmMax Cabinet Size (H) (W) (L) mm
Max Power KW
7 Sould Pressure Level dB(A) @ m
8 Other Requirement
Form Filled By Date
Questionnaire for Jet Fan Selection
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Questionnaire for Jet FanSelection
1 Flow Rate cmh / cms / cfm (Pls delete where inapplicable)
2 Outlet velocity requirement m/s
Throw requirement m/s @ m
3 Application (Pls tick accordingly)
Car Park Tunnel Stadium Warehouse
Others (Pls specify )
4 Application Normal Smoke Extract (Pls go to 6a)Both (Pls go to 6a)
Questionnaire for Jet FanSelection
5 Fan type Axial Cabinet
6 Fan Spec
a. Axial
Max Diameter mm Max Power KWFan Speed rpm Attenuator D
b. CabinetNozzle Number pcs Nozzle Diameter mmMax Cabinet Size (H) (W) (L) mmMax Power KW
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Questionnaire for Jet FanSelection
7 Sould Pressure Level dB(A) @ m
8 Other Requirement
Form Filled By Date
Simulation Process
• Flow Chart
• Information Collection
& Model Set-up
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Flow ChartRequest In
(w/ Some Info - Spec, CAD Drawing
FeasibilityStudy
Yes
No
Model Set-up & Simulation
InfoSufficient?
Yes
Not
Satisfied?
Suggest: Change Design orSearch for Local Professional
Simulation Provider
Communication and Collection ofInfo (DWG, Spec etc)
ResultAnalysis
Satisfied
Result Output
Design
Modification& Revision
No
Information Collection& Model Set-up
• Information Sheet for CFD Task V1.0
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Information Sheet for CFD Task V1.0
Project Information
A1 ProjectCode
A2 ProjectName
A3 Owner
A4 StartDate
A5 Deadline
A6 ProjectOfficer(s)
A7 ProjectAsst/ContactPerson
A8 ContactNumber
Architectural Information
B1 FloorHeight
B2 MinimumClearance Height
B3 BeamSpecification
Jet Fan Information
C1 Model
C2 VolumeFlow Rate
C3 Power
C4 Height(Floor to Fan center)
C5 Angleto horizontal
Supply Fan Information
D1 Model
D2 VolumeFlow Rate(each fan)
D3 NumberofFans Installed
D4 Height(Floor to Fan center)
D5 Markingsfor SupplyFans/Grilles
D6 SizeofSupplyAirGrilles
D7 BottomHeight ofGrilles
Exhaust Fan I nformation
E1 Model
E2 VolumeFlow Rate(each fan)
E3 NumberofFans Installed
E4 Height(Floor to Fan center)
E5 Markingsfor ExhaustFans/Grilles
E6 SizeofExhaustAirGrilles
E7 BottomHeight ofGrilles
Simulation ModeN or ma l F ir e
F SteadyState Simulation
Types of Contour Plot Required
^Standard Plot Plane Height Range Plane Height Range Plane Height Range
G1 LatitudinalPlane (FrontView)
^Upon Request Plane Height Range Plane Height Range Plane Height Range
G2 TransversePlane (Plan View)
^Upon Request Plane Height Range Plane Height Range Plane Height Range
G3 Longitudinal Plane(Side View)
Special Requests
H i. Transient Time Intervals t1 t2 t3 t4 t5 t6
Highdifficulty andTime-consuming Simulation
NotRecommended
ii.Others
SmokeConcentration
SmokeConcentration
SmokeConcentration
Speed
Speed
Temperature
Temperature
Speed Temperature
Transversal Plane
Longitudinal Plane
Latitudinal Plane
Information Collection& Model Set-up
• Structure System
• Ventilation System
• Other SystemTransportation System
Production System
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Structure - Pillars
Structure - Pillars
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Structure - Pillars
Structure – Walls/Partition
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Structure – Walls/Partition
Structure – Walls/Partition
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Structure - Rooms
Structure - Rooms
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Structure - Beams
Structure - Beams
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Structure - Beams
Structure – Floor & Ceiling
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Ventilation – Supply Fans
Ventilation – Supply Fans
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Ventilation – Supply Fans
Ventilation – Supply Fans
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Ventilation – Exhaust Fans
Ventilation – Exhaust Fans
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Ventilation – Exhaust Fans
Ventilation – Jet Fans
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Transportation – Cars
Result Review
• Different Heights:
Jet Fan Center – To Check Jet Flow Profile
1m (0.7m) – Height for Children’sBreathing Zone
2m (1.7m) – Height for Adults’ BreathingZone
3m (2.7m) – Height for Smoke Flow(Under Ceiling)
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Result Review
Result Review
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Result Review
Result Review
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Result Review
Thank You!
Have a Nice Day!