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

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i I I I I<br />

9514 ---------9516<br />

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I<br />

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, 1<br />

9514 ignition -+3<br />

Heating Time<br />

$0 <strong>Ignition</strong><br />

951 s<br />

J.1:<br />

r<br />

9516<br />

ignition ~’<br />

Heating Time :.<br />

to <strong>Ignition</strong><br />

985 s<br />

:b<br />

$:<br />

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.<br />

5<br />

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I ! I t I I I 1 ! 1 I ! 1 I I I 1 I<br />

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msc-mG95-1145<br />

1 1 t<br />

! 1 !<br />

200 400 600 800 flooo 1200<br />

Time, s<br />

Figure 37. Plot <strong>of</strong> laser a~nwtion 17.8 cm above the burner versus time <strong>for</strong> repeated tests<br />

<strong>of</strong> oil cooked orI the gas range with the range hood on.<br />

60<br />

.<br />

.“

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