Fuel System Field Performance Using Particle Counters · Fuel System Field Performance Using...
Transcript of Fuel System Field Performance Using Particle Counters · Fuel System Field Performance Using...
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Fuel System Field Performance Using Particle Counters
Presented by: Matt [email protected]:+44 7530 464984
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Pass/Fail Limits
Contaminant limit
Location
Contaminant limit
Authority CommentsWater Particulate
Refinery production Clear and bright 1,0 mg/l DEF STAN. 91-91,JIG AFQRJOS
No quantitative limit for water
Clear and bright ASTM D 1655
Distribution system Clear and bright
0,5 mg/l Kinder Morgan pipeline
1,0 mg/l MIL-DTL-83133(JP8/JP8+100) US Air Force
1,0 mg/l MIL-DTL-5624 (JP4/JP5) US Navy
Airportinto-storage 2,2 mg/l Canadian GSB 3.23-2005
Into-plane
Clear and bright
IATA Guidance Material
After-fuelling check
30 ppm 1,0 mg/lRejection limit for monthly equipment check
Clear and bright 0,44 mg/l Canadian GSB 3.23-2012
15 ppm (maximum allowable)
A2, B2, and G2 (Dry)A3, B3, and G3 (wet)0,5 mg/l
ATA 103Colorimetric interpretation of a gravimetric membrane
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How can we effectively ensure in field performance qualified filters and systems?• Current technology limitations -
• Monthly Millipore & AquaGlo – Spot Check/Sporadic contamination in clean systems
• Lab work required – Delay in obtaining results• Sampling integrity issues – 1 lt or 5 lt? Time?• Burst membranes• Subjective testing, lack of real definition• Negative results• Poor repeatabilitySo:
• Is particle counting a solution? • Can we correlate with existing methods?
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Gravimetric ReviewAdvantages of APC technology – or – Disadvantages of current methods
Current Method Limitations:
The eye can only detect particles >40 microns (30 micron(c)) unless present in very large amounts.
Gravimetric is not available in real time and sometimes is erratic and is non-informative in terms of condition monitoring.
Filtration time requires a laboratory environment.
Nobody knows where the current contamination limits come from – where is the technical justification?
Control Membrane, C
Working Membrane, W
1 USG Sample
Or at least record the volumethat does go through
GRAVIMETRIC
Both are1mg/l !!!!
Or are they?
0.5mg/l
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EI-1581 Element Test Procedure
Test Description Contamination Loading
Flow Rate
Time Run Test Intervals Comments
Stop/Start 4 second Cycle - 1-2 close, 1-2 Open
Media Migration Clean Fuel 3 GPM 30 mins 30 Element ConditioningLow Water Conditioning 100 ppm Water 30 GPM 30 mins 5 10 20 30 Element Wetting
Solids Addition 19mg/lt A1/RIO (90/10) 30 GPM 75 mins 15 30 45 60 75 Solids Loading
Low Water Test 100 ppm Water 30 GPM 150 mins 2 5 15 30 45 60 75 90 105 120 135 150 Wetting prior to HighWater Test
3% Water 30 GPM 30 mins 2 5 10 20 30 High Water Test
Tests Run Comments
D2276 Gravimetric Test taken either side of Stop/Start. Avg result
D3240 AquaGlo Test taken after resuming steady flowIP564 - Particle Count
APC taken during stop/start. Avg of 3 tests
Test performed on:Filter AFilter BFilter C
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Filter ATEST
SEQUENCETIME
(DOWNSTREAM) CHANNEL COUNTS/mL ISO CODES 4 channel code 2276 RESULTS AQUAGLO (DOWNSTREAM)
Solid
s Cap
acity
4.3
.2.6
15 MIN
4 12.3 11
11/9/4/01st) -0.55mg/L 2nd) 0.00mg/L
Average -.275mg/LN/A
6 4.7 914 0.1 430 0.0 0
45 MIN
4 9.7 10
10/9/6/01st) 0.00mg/L 2nd) -0.05mg/L
Average -0.025mg/LN/A
6 3.7 914 0.4 630 0.0 0
60 MIN
4 5.1 10
10/8/0/01st) 0.00mg/L 2nd) 0.05mg/L
Average 0.025mg/LN/A
6 1.6 814 0.0 030 0.0 0
Low
Wat
er 4
.3.2
.7.1
15 MIN
4 18.0 11
4/6/14/0 N/A 16 6.6 1014 0.4 630 0.0 0
30 MIN (Upstream)
4 82782.5 99
99/99/21/14 N/A 16 60001.3 9914 12167.6 2130 93.2 14
135 MIN
4 25.2 12
4/6/14/4 N/A 1.56 10.0 1014 1.1 730 0.1 4
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Field Data – Major International Airport
MF
FWS
Airport storage
To Hydrant/Refueller
FWS
0.10.31.213.3779.92172.0
>30µ(c)>25µ(c)>21µ(c)>14µ(c)>6µ(c)>4µ(c)
0.22.85.617.2300.4745.6
>30µ(c)>25µ(c)>21µ(c)>14µ(c)>6µ(c)>4µ(c)
0.00.00.00.111.454.6
>30µ(c)>25µ(c)>21µ(c)>14µ(c)>6µ(c)>4µ(c)
0.00.00.10.131.1225.8
>30µ(c)>25µ(c)>21µ(c)>14µ(c)>6µ(c)>4µ(c)
0.00.00.00.91.78.5
>30µ(c)>25µ(c)>21µ(c)>14µ(c)>6µ(c)>4µ(c)
0.10.20.51.112.557.1
>30µ(c)>25µ(c)>21µ(c)>14µ(c)>6µ(c)>4µ(c)
ISO CODE
18/17/11
17/15/11
13/11/00
15/12/00
10/08/07
13/11/07
β = 2.6 = 66% efficient
β = 13 = 93% efficient
β = 26 = 96% efficient
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Spider Plate Alignment…can lift elements off their seats!
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KAF – Supreme System Summary
Maximum Particle Count Test Data - KAF
0
5,000
10,000
15,000
20,000
25,000
30,000
35,000
40,000
45,000
50,000
Coun
ts P
er/m
l
>4µ
>6µ
>14µ
>21µ
>25µ
>30µ
Fuel Delivery @ FARP, Into Aircraft - Rotary Wing
0
5
10
15
20
25
30
35
40
Coun
ts Pe
r/ml
>4µ
>6µ
>14µ
>21µ
>25µ
>30µ
Truck Download
Post DoD Download
Filter
MBFI Storage Bladder
Post DoD Upload Filter
Post API Upload Filter
Delivery Refueller
Sump
FARP Storage FARP Upload
• >48,000 counts Download
• Continual product cleanliness from receipt to delivery
• As low as 1 count >4µ Per/ml as upload into Aircraft
• 99.9% reduction in solid contamination
• World class system performance and cleanliness
• Particle Counting will only help maintain and improve system efficiency and performance
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Tank Storage settling? Is it good to go NOW!
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Ship Off-loading
0.00
10.00
20.00
30.00
40.00
50.00
60.00
70.00
0 10 20 30 40Average Micron (C)
% Volum
e Distrib
ution
Test 1Test 2Test 3Test 4Test 5Test 6Test 7
Laboratory & Field Data – Major International Airport>4µ >6µ >14µ >21µ >25µ >30µ
Test 1 81058.3 62127.1 17817.6 6066.2 2477.4 474.2
Test 2 87834.5 74763.0 35454.1 18044.4 10277.7 3651.9
Test 3 51383.4 32796.9 4424.8 1213.4 440.5 81.1
Test 4 1593.3 422.7 9.6 1.7 0.5 0.1Test 5 1226.1 261.5 2.4 0.4 0.1 0.1Test 6 1085.7 210.9 1.3 0.1 0.1 0.0
Test 7 1037.9 198.7 1.3 0.1 0.0 0.0
First 3 measurements represent fuel from a previous cargo followed by a regular clean delivery, thus demonstrating the range of fuel cleanliness being experienced at this particular location.
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Proposed Limits!
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Do our systems meet these specifications and should we continue to rely on Gravimetric?
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Acknowledgements
• Joel Schmitigal – US ARMY TARDEC• Gary Bessee – SwRI• Dr Anthony Kitson-Smith, CloudsNet
Thank You! Questions?