Study of Technology for Detecting Pre-Ignition Conditions of ... - NIST

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-u“ . CPSC-IAG95-1145 CPSC Range-Cooking Fire Pre-ignition Detection Series TEST ID CPSC95 Date -1 II 995 Pan Information Food Summary Size cm (in) Substance Type Initial Volume ml Material Remaining Volume ml Previous Usage Initial Mass kg Mass Measurements: Remaining Mass kg Pan+TC Lid Pan+TC+Lid kg kg kg Ex~eriment O~e rator~ Instrument(s) Pan+TC+Lid+Food (before) Pan+TC+Lid+Food (after) Range Hood Active: YES / kg kg NO Rik Johnsson Dick Harris Marco Fernandez Mai Ngo Nelson Caballero Ted Gordon 1 ❑ 1 1 1 1 ------ UOCK I Ime w -, u Comments/ lR~eattiera Volta&G~sFlow Photos Temps Tlme(minl Observations a Time # Time “C + + I n +fl 11 17 15 151 Y Lu DATA ON - BACKGROUND BURNER ENERGIZED IGNITION FIRE EXTINGUISHED DATA OFF IAdditional Notes: 1 I I I I I I I I I 1 I I I 1 105 I
Appendix ~. llata Analysis - ~mple .~~~ File msc-uG95-1145 500 020100 . T 411105 hlIST/CPSC Pre-Ignition Detection Series:CPSC950227JUN95227g Baconin26.7cm .1 ~.s SS (Albase)FryingPan,RangeHoodOff 00 lTime Elapsedtime (s) 57 2LExtlHeNe1aserandphotodiode,1ower (v) 58 2LExt2HeNelaserandphotodiode,upper (v) 59 2VlctyBi-directionalvelocityprobe .1”H20= delta2.5 V (mIs) 60 2T0/005Thermocouple Tree, center,11.7cm fr.burner(DegC) 61 2T2/OIOThermocoupleTree,15.2cm left,16.8cm fr.burner(DegC) 62 2T1/OIOThermocouple Tree, 7.6 cm left,16.8cm fr.burner(DegC) 63 2T0/OIOThermocoupleTree, center,16.8cm fr.burner(DegC) 64 2T-/OlOThermocouple Tree, 7.6cm right,16.8cmfr. burner(DegC) 65 2T0/020Thermocouple Tree, center,26.9cm fr.burner(DegC) 662T2/031ThermocoupleTree,15.2 cm left,37.1cmfr. burner(DegC) 67 2T1/031Thermocouple Tree, 7.6cm left,37.1cm fr.burner(DegC) 68 2T0/031Thermocouple Tree, center,37.1cm fr.burner(DegC) 69 2T-/O3lThermocouple Tree, 7.6cm right,37.1cm fr.burner(DegC) 70 2T0/041Thermocouple Tree, center,47.2cm fr.burner(DegC) 71 2T2/061ThermocoupleTree,15.2cm left,67.6cm fr.burner(DegC) 72 2T1/061Thermocouple Tree, 7.6cm left,67.6cmfr. burner(DegC) 73 2T0/061Thermocouple Tree, center,67.6cm fr.burner(DeqC) 74 2T-/O6lThermocouple Tree, 7.6cm right,67.6cm fr.burner(DeiC) 75 2TPnBtmThermocouple centeredunder,contactingpan (DegC) 76 2TPnSdeThermocoupleboltedto insideof pan at foodlevel (DegC) 77 2TFoodlThermocouple contactingfoodat centernearbottom (DegC) 78 2TFood2Thermocouple contactingfoodat centernearsurface (DegC) 79 2THoodlThermocouple on insideof hoodcenteredabovepan (DegC) 80 2THood2Thermocouple on outsideof hoodcenteredabovepan (DegC) 81 2TSurflThermocoupleon top range,17 cm fromcenter,8pm (DegC) 82 2TSurf2Thermocouple on top range,17 cm fromcenter,2pm (DegC) 83 2TRangeThermocouplebeneathrangesurfacecenteredbelowpan(DegC) -. 999 “ 1.0 1.0 999 SKIP=(S1Z1)2 c . 106
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. ,. . . % . NISTIR 5729 Study of T
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Acknowledgements CPSC-IAG-95-1145 T
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4.0 5.0 6.0 ‘7,0 3.3 3.4 3.5 3.6
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Figure 23. Figure 24. Figure 25. Fi
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msc-HG95-1145 because a candidate s
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, asc-fiG95-1145 eletici~ into eigh
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Table 1. Conditions and results of
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QSC-MG95-1145 which is sometimes pr
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Pressure Tmnsducer L Vdochy Laser B
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CPSC-LW--95-1I45 The pan area was m
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CPSC-HG95-1145 the doorway of the l
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2.4.1 Experimental Operation msc-uG
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located onthefloor atthe door openi
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CI%C-IAG-95-1145 tirou@out this sec
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Figure 6. 700 600 500 400 300 200 1
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400 350 300 250 200 150 100 50 ----
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CPSC-MG95-1145 a good cmdidate for
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, , I t --------- 16.8 cm above bur
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(’1’’’’’’’’’’
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Temperature, “C ~“’I’’’
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100 90 80 70 60 50 40 30 20 -------
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200 160 120180 [ 0 1 — Hood insid
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a“ L a, -f 00 90 80 ‘7(3 60 50
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45 40 35 30 2!5 20 L --------- Baco
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1.5 1 0.5 0 “0.5 - 8 , ---------
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s .- --------- BaconlQn — ——-
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1 0.8 0.6 0.4 0.2 0 - ,. ,,. ---1 0
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‘ ---------Bacon/On — — - Qil
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Figure 30. 8 6 4 2 0 1 ( !“1’
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. . . ““- Baconlon — w-- -oi[
Page 61 and 62: 3.5 --- —= --- Bacon/on -Oil/On
Page 64 and 65: “. CPSC-IAG95-1145 primary effect
Page 66 and 67: --. 1- 400 250 200 150 I CPSC-IAG95
Page 68 and 69: . . . attenuation trends, and heati
Page 70 and 71: .“ . . ‘. Table 4. Detection te
Page 72 and 73: CPSC-IAG95-1145 Appendix A also con
Page 74 and 75: 6.0 1. 2. 3. 4. 5. 6. 7. 8. 9. 10.
Page 76 and 77: Harwood, J. A.; Moseley, P. T.; Pea
Page 78 and 79: Michigan UNV., Ann Arbor. Dept. of
Page 80 and 81: CPSC-IAG95-1145 Interscience Commun
Page 82 and 83: CPSC-IAG95-1145 Naum~ Abmed (Ed. >
Page 84 and 85: , Report No.: PAT-APPL7-744 046; pA
Page 86 and 87: . 4 CPSC-IAG95-1145 Since their int
Page 88 and 89: -. EP 175940A 860402 (BASIC) CPSC-I
Page 90 and 91: . CPSC-IAG95-1145 light source, or
Page 92 and 93: . CPSC-IAG95-1145 Industrial& Comme
Page 94 and 95: .- .. . -. CPSC-IAG95-1145 for disc
Page 96 and 97: s- . > CPSC-IAG95-1145 to sensor me
Page 98 and 99: . s.- ,.. a WPI ACCNo: 92-261455/32
Page 100 and 101: .. . 1992 CPSC-IAG95-1145 Author (I
Page 102 and 103: Appendix B. Key: AND = * DC DE r) I
Page 104 and 105: S14 S15 S16 S17 S18 S19 S20 S21 S22
Page 106 and 107: .> , 4 17439 5 155649 6 199264 7 51
Page 108 and 109: CPSC-IAG95-1145 18 718482 TECHNOLOG
Page 110 and 111: * 30 31 32 33 34 35 36 37 38 39 40
Page 114 and 115: TC 1 6083 X COMPUTE . 1 c- 59-0.0 x
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