Flow Architecture
- Page ID
- 77447
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Group Objectives:
The engineering
Group Members:
Ryan: Ryan Gilardy <rgilardy@comcast.net>
Jacob: Jacob Gower <jakegower07@gmail.com>
Keren: Keren Pasule <kpquantam@gmail.com>
Peter: Peter Swenson <pswenson839@insite.4cd.edu>
Kuen: Kuen Wai Tang <ktang764@insite.4cd.edu>
Miranda: Miranda Breves <pandahat.b@gmail.com>
Meetings / Discussions / Conferences:
Data:
Protocols / Methods(BLANK)
Experimental Results(BLANK)
Budget(BLANK)
Reports:
References & Bibliography:
__________________
SUGGESTIONS FOR FUTURE AIRLIFTS
USE A 2" DIAMETER OUTER PIPE AND 1.5" OR 1.25" INNER PIPE
GLUE PVC AND SEAL FITTING THREADS
EXPERIMENT WITH REDUCING THE INNER PIPE LENGTH BY UP TO 1/4"
AIRLIFT PROTOTYPE TESTING - 5/19/2017
The original airlift design was evaluated for performance and rate of fluid transfer by tracking how much time it took to pump enough water to fill a marked 5 gallon bucket. A large water tank with 8 ft of depth was used as the water source.
RESULTS:
Testing seals with soapy water exposed multiple air leaks. Testing higher pressure with dual compressors demonstrated a 'blow by' effect in which air was bubbling out the bottom of the input pipe every 2 seconds. A greater area is needed within the outer pipe where the inner pipe space pumps into water to have room for the increased amount of air needed to transfer at 120 gpm or more. Shorteining the inner pipe length by up to another 1/4" should reduce 'blow by' and increase output.
Dual_compressor_airlift.mp4 VIDEO TAKEN DURING DUAL COMPRESSOR TEST. SHOWS AIR LEAKS.
| PUMP(S) AND CONDITIONS | Time taken to pump five gallons | Gallons per hour |
| EcoPlus Aquarium Pump with air leaks at inner and outer pipe seal | 4.75 minutes | 57 gphr. |
| EcoPlus with inner/outer seal glued | 4.1 minutes | 73 gphr. |
| Running traditional compressor and Ecoplus with a T-Quick connect which leaked in multiple places. | 4.75 minutes | 64 gphr. |
SOAP AND WATER WERE APPLIED TO AREAS WITH POSSIBLE AIR LEAKS. THE DATA SHOWED A 28% INCREASE IN FLOW RATE WHEN THE SEAL BETWEEN THE INNER AND OUTER PIPES WAS GLUED. THIS PICTURES SHOW THE BUBBLES GENERATED FROM LEAKS BEFORE THIS SEAL WAS GLUED.
THE POINT WHERE THE BRASS T THREADS INTO THE PVC END CAP PRESENTED A SIGNIFICANT AIR LEAK. FUTURE AIR LIFTS WILL NEED TO HAVE A THICKER END CAP AND PROPER THREADING. *NOTE THIS WAS A DRILLED END CAP AND THREADS DID NOT MATCH.
THE END PVC END LEAKS WITH A SINGLE PUMP AND QUICK CONNECT DESPITE THREADS BEING TAPED.
