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		<title>Chan Gong 2012a - Revision history</title>
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		<updated>2026-04-18T20:06:55Z</updated>
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	<entry>
		<id>https://www.scipedia.com/wd/index.php?title=Chan_Gong_2012a&amp;diff=196742&amp;oldid=prev</id>
		<title>Scipediacontent: Scipediacontent moved page Draft Content 498373332 to Chan Gong 2012a</title>
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				<updated>2021-02-01T18:46:37Z</updated>
		
		<summary type="html">&lt;p&gt;Scipediacontent moved page &lt;a href=&quot;/public/Draft_Content_498373332&quot; class=&quot;mw-redirect&quot; title=&quot;Draft Content 498373332&quot;&gt;Draft Content 498373332&lt;/a&gt; to &lt;a href=&quot;/public/Chan_Gong_2012a&quot; title=&quot;Chan Gong 2012a&quot;&gt;Chan Gong 2012a&lt;/a&gt;&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left&quot; data-mw=&quot;interface&quot;&gt;
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				&lt;td colspan='1' style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan='1' style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;Revision as of 18:46, 1 February 2021&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan='2' style='text-align: center;' lang='en'&gt;&lt;div class=&quot;mw-diff-empty&quot;&gt;(No difference)&lt;/div&gt;
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		<author><name>Scipediacontent</name></author>	</entry>

	<entry>
		<id>https://www.scipedia.com/wd/index.php?title=Chan_Gong_2012a&amp;diff=196741&amp;oldid=prev</id>
		<title>Scipediacontent: Created page with &quot; == Abstract ==  The Center/TRACON Automaton System (CTAS) is a set of air traffic management tools developed by NASA in conjunction with the FAA. As part of its functionality...&quot;</title>
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				<updated>2021-02-01T18:46:32Z</updated>
		
		<summary type="html">&lt;p&gt;Created page with &amp;quot; == Abstract ==  The Center/TRACON Automaton System (CTAS) is a set of air traffic management tools developed by NASA in conjunction with the FAA. As part of its functionality...&amp;quot;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;&lt;br /&gt;
== Abstract ==&lt;br /&gt;
&lt;br /&gt;
The Center/TRACON Automaton System (CTAS) is a set of air traffic management tools developed by NASA in conjunction with the FAA. As part of its functionality, CTAS predicts aircraft flight trajectories using aeropropulsive models and the kinetic equations of motion for various flight conditions including climbs. Precise aeropropulsive models for all aircraft types are not yet available to NASA researchers. In an effort to improve climb trajectory prediction of jet aircraft for which CTAS does not have a precise aero-propulsive model, a technique was developed to derive an aero-propulsive model from readily available time-to-climb data found in flight manuals. A case study was performed on a Boeing 737-400, for which time-to-climb data and aero-propulsive model data were known. A new aero-propulsive model, identified by three aerodynamic and one propulsive parameter, was derived from the time-to-climb data. The results showed it was possible to derive an aero-propulsive model for an aircraft type that will allow CTAS to compute time-to-climb for a range of climb speeds that agree closely with known data. This technique was then applied to a Learjet 60, an aircraft type for which a precise aero-propulsive model is not available. A comparison of top-of-climb predictions made with a derived aero-propulsive model and actual top-ofclimb from Learjet 60 radar track data reveal close agreement.&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
== Original document ==&lt;br /&gt;
&lt;br /&gt;
The different versions of the original document can be found in:&lt;br /&gt;
&lt;br /&gt;
* [http://pdfs.semanticscholar.org/5b52/3bbd03314a6ccd8085c1a3078a7261915e1e.pdf http://pdfs.semanticscholar.org/5b52/3bbd03314a6ccd8085c1a3078a7261915e1e.pdf]&lt;br /&gt;
&lt;br /&gt;
* [http://arc.aiaa.org/doi/pdf/10.2514/6.2002-5844 http://arc.aiaa.org/doi/pdf/10.2514/6.2002-5844],&lt;br /&gt;
: [http://dx.doi.org/10.2514/6.2002-5844 http://dx.doi.org/10.2514/6.2002-5844]&lt;br /&gt;
&lt;br /&gt;
* [https://www.aviationsystems.arc.nasa.gov/publications/more/ctas/gong_10_02.pdf https://www.aviationsystems.arc.nasa.gov/publications/more/ctas/gong_10_02.pdf],&lt;br /&gt;
: [https://www.aviationsystemsdivision.arc.nasa.gov/publications/more/ctas/gong_10_02.pdf https://www.aviationsystemsdivision.arc.nasa.gov/publications/more/ctas/gong_10_02.pdf],&lt;br /&gt;
: [http://www.aviationsystemsdivision.arc.nasa.gov/publications/more/ctas/gong_10_02.pdf http://www.aviationsystemsdivision.arc.nasa.gov/publications/more/ctas/gong_10_02.pdf],&lt;br /&gt;
: [https://arc.aiaa.org/doi/pdf/10.2514/6.2002-5844 https://arc.aiaa.org/doi/pdf/10.2514/6.2002-5844],&lt;br /&gt;
: [http://www.aviationsystems.arc.nasa.gov/publications/more/ctas/gong_10_02.pdf http://www.aviationsystems.arc.nasa.gov/publications/more/ctas/gong_10_02.pdf],&lt;br /&gt;
: [https://academic.microsoft.com/#/detail/2164195002 https://academic.microsoft.com/#/detail/2164195002]&lt;/div&gt;</summary>
		<author><name>Scipediacontent</name></author>	</entry>

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