Page 10 - Combined_81_OCR

ENGINE COOLING WIND TUNNEL 7

3. PROPOSED WIND TUNNEL (Continued)

Wind Tunnel Layout (Cont i nued)

Storage space shall be provided for approximately 24 radiator

and some associated components.

Vehicle access shall be from the driveway along side the pedes­

trian entrance through an overhead door into the support area.

Within the support area there shall be preparation bays for

three cars, one of which shall be equipped with a car hoist.

The Mechanica1.Equipment Room shall contain the Wind Tunnel

fan drive and starter equipment.

The Boiler Room shal1 contain a small steam generator complete

with condensate tank, feed water treatment equipment and stack.

The Electrical Substation shall be equipped with primary and

secondary switchgear and transformers.

The Wind Tunnel circuit shall consist of C D fan, di ffuser return

passage, settling chamber, nozzle and test section.

The internal structures and equipment provided in the tunnel

circuit shall be turning vanes, heating coi < /) screens, water

vapour injection systems for raising the humidity, lamps for

simulated solar heat load, tunnel air make-up and exhaust

systems, 48" chassis rolls dynamometer and engine exhaust
u
system. The large chassis rolls are required to minimize

tire failures due to excessive heat build-up when a car

is being tested under high speed/high temperature conditions.