<?xml version="1.0" encoding="UTF-8"?><collection xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://www.loc.gov/MARC21/slim" xsi:schemaLocation="http://www.loc.gov/MARC21/slim http://www.loc.gov/standards/marcxml/schema/MARC21slim.xsd"><record><leader>02649cam a2200445Ia 4500</leader><controlfield tag="001">100167859</controlfield><controlfield tag="003">MiAaHDL</controlfield><controlfield tag="005">20250726000000.0</controlfield><controlfield tag="006">m        d        </controlfield><controlfield tag="007">cr bn ---auaua</controlfield><controlfield tag="008">110426e195608  dcua     tb  f001 0 eng d</controlfield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(MiU)990128618160106381</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">sdr-miu.990128618160106381</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="z">(MiU)MIU01000000000000012861816-goog</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(OCoLC)714770174</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="z">(MiU)Aleph012861816</subfield></datafield><datafield tag="040" ind1=" " ind2=" "><subfield code="a">LHL</subfield><subfield code="c">LHL</subfield><subfield code="d">NACAR</subfield><subfield code="d">UtOrBLW</subfield></datafield><datafield tag="049" ind1=" " ind2=" "><subfield code="a">NACA</subfield></datafield><datafield tag="086" ind1="0" ind2=" "><subfield code="a">Y 3.N 21/5:15/E56E09A</subfield></datafield><datafield tag="088" ind1=" " ind2=" "><subfield code="a">NACA RM E56E09A</subfield></datafield><datafield tag="100" ind1="1" ind2=" "><subfield code="a">Novik, David.</subfield></datafield><datafield tag="245" ind1="1" ind2="3"><subfield code="a">An analog study of a shock-position diffuser control on a supersonic turbojet engine /</subfield><subfield code="c">David Novik.</subfield></datafield><datafield tag="260" ind1=" " ind2=" "><subfield code="a">Washington, D.C. :</subfield><subfield code="b">National Advisory Committee for Aeronautics,</subfield><subfield code="c">1956.</subfield></datafield><datafield tag="300" ind1=" " ind2=" "><subfield code="a">27 p. :</subfield><subfield code="b">ill. ;</subfield><subfield code="c">27 cm.</subfield></datafield><datafield tag="336" ind1=" " ind2=" "><subfield code="a">text</subfield><subfield code="b">txt</subfield><subfield code="2">rdacontent</subfield></datafield><datafield tag="337" ind1=" " ind2=" "><subfield code="a">unmediated</subfield><subfield code="b">n</subfield><subfield code="2">rdamedia</subfield></datafield><datafield tag="338" ind1=" " ind2=" "><subfield code="a">volume</subfield><subfield code="b">nc</subfield><subfield code="2">rdacarrier</subfield></datafield><datafield tag="490" ind1="0" ind2=" "><subfield code="a">NACA research memorandum ;</subfield><subfield code="v">E56E09A</subfield></datafield><datafield tag="500" ind1=" " ind2=" "><subfield code="a">NACA Research Memorandum E56E09A.</subfield></datafield><datafield tag="500" ind1=" " ind2=" "><subfield code="a">"August 17, 1956."</subfield></datafield><datafield tag="500" ind1=" " ind2=" "><subfield code="a">Title from cover.</subfield></datafield><datafield tag="504" ind1=" " ind2=" "><subfield code="a">Includes bibliographical references.</subfield></datafield><datafield tag="520" ind1="3" ind2=" "><subfield code="a">The effects of diffuser dynamics (for supercritical diffuser operation) and controlled engine dynamics on the diffuser control requirements of a supersonic turbojet engine were studied with the aid of an electronic analog. The investigation indicated that a pressure disturbance in the diffuser had only a small effect on engine speed, whereas a disturbance in engine speed had a large effect on diffuser pressure and could impose severe requirements on diffuser control response.</subfield></datafield><datafield tag="538" ind1=" " ind2=" "><subfield code="a">Mode of access: Internet.</subfield></datafield><datafield tag="650" ind1=" " ind2="0"><subfield code="a">Charts, diagrams, etc.</subfield><subfield code="0">http://id.loc.gov/authorities/subjects/sh87002373</subfield></datafield><datafield tag="650" ind1=" " ind2="0"><subfield code="a">Airplanes</subfield><subfield code="x">Turbojet engines</subfield><subfield code="x">Control systems.</subfield><subfield code="0">http://id.loc.gov/authorities/subjects/sh85002913</subfield></datafield><datafield tag="650" ind1=" " ind2="0"><subfield code="a">Airplanes</subfield><subfield code="x">Turbojet engines.</subfield><subfield code="0">http://id.loc.gov/authorities/subjects/sh85002908</subfield></datafield><datafield tag="650" ind1=" " ind2="0"><subfield code="a">Diffusers.</subfield><subfield code="0">http://id.loc.gov/authorities/subjects/sh85037933</subfield></datafield><datafield tag="710" ind1="2" ind2=" "><subfield code="a">Lewis Flight Propulsion Laboratory.</subfield><subfield code="0">http://id.loc.gov/authorities/names/no2015026965</subfield><subfield code="1">http://id.loc.gov/rwo/agents/no2015026965</subfield><subfield code="1">http://viaf.org/viaf/314909134</subfield></datafield><datafield tag="710" ind1="2" ind2=" "><subfield code="a">United States.</subfield><subfield code="b">National Adviosry Committee for Aeronautics.</subfield><subfield code="t">NACA research memorandum.</subfield></datafield><datafield tag="710" ind1="1" ind2=" "><subfield code="a">United States.</subfield><subfield code="b">National Advisory Committee for Aeronautics.</subfield><subfield code="0">http://id.loc.gov/authorities/names/n79060141</subfield><subfield code="1">http://id.loc.gov/rwo/agents/n79060141</subfield></datafield><datafield tag="730" ind1="0" ind2=" "><subfield code="a">Technical Report Archive &amp; Image Library (TRAIL)</subfield></datafield><datafield tag="899" ind1=" " ind2=" "><subfield code="a">39015086463927</subfield></datafield><datafield tag="CID" ind1=" " ind2=" "><subfield code="a">100167859</subfield></datafield><datafield tag="DAT" ind1="0" ind2=" "><subfield code="a">20241218054949.0</subfield><subfield code="b">20250726000000.0</subfield></datafield><datafield tag="DAT" ind1="1" ind2=" "><subfield code="a">20260317165347.0</subfield><subfield code="b">2026-03-18T10:01:26Z</subfield></datafield><datafield tag="DAT" ind1="2" ind2=" "><subfield code="a">2024-05-05T17:30:02Z</subfield></datafield><datafield tag="CAT" ind1=" " ind2=" "><subfield code="a">SDR-MIU</subfield><subfield code="c">miu</subfield><subfield code="d">ALMA</subfield><subfield code="l">prepare.pl-004-009</subfield></datafield><datafield tag="FMT" ind1=" " ind2=" "><subfield code="a">BK</subfield></datafield><datafield tag="HOL" ind1=" " ind2=" "><subfield code="0">sdr-miu.990128618160106381</subfield><subfield code="a">MiU</subfield><subfield code="b">SDR</subfield><subfield code="c">GWLA</subfield><subfield code="f">012861816</subfield><subfield code="p">mdp.39015086463927</subfield><subfield code="s">MIU</subfield><subfield code="1">990128618160106381</subfield></datafield><datafield tag="974" ind1=" " ind2=" "><subfield code="b">MIU</subfield><subfield code="c">GWLA</subfield><subfield code="d">20260318</subfield><subfield code="s">google</subfield><subfield code="u">mdp.39015086463927</subfield><subfield code="y">1956</subfield><subfield code="r">pd</subfield><subfield code="q">bib</subfield><subfield code="t">US fed doc</subfield></datafield></record></collection>