<rss version="2.0" xmlns:atom="https://www.w3.org/2005/Atom">
  <channel>
    <title>Transport Research International Documentation (TRID)</title>
    <link>https://trid.trb.org/</link>
    <atom:link href="https://trid.trb.org/Record/RSS?s=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" rel="self" type="application/rss+xml" />
    <description></description>
    <language>en-us</language>
    <copyright>Copyright © 2026. National Academy of Sciences. All rights reserved.</copyright>
    <docs>http://blogs.law.harvard.edu/tech/rss</docs>
    <managingEditor>tris-trb@nas.edu (Bill McLeod)</managingEditor>
    <webMaster>tris-trb@nas.edu (Bill McLeod)</webMaster>
    <image>
      <title>Transport Research International Documentation (TRID)</title>
      <url>https://trid.trb.org/Images/PageHeader-wTitle.jpg</url>
      <link>https://trid.trb.org/</link>
    </image>
    <item>
      <title>DIMENSIONING PASSAGES USED BY PASSENGERS IN STATIONS</title>
      <link>https://trid.trb.org/View/277525</link>
      <description><![CDATA[Method for determining the width of passenger traffic installations, taking into account the different types of traffic (business, long and short distance, tourist traffic) and the passenger flows to be catered for following train arrivals.  Use of the method for calculating dimensions.]]></description>
      <pubDate>Sat, 28 Aug 2004 04:47:58 GMT</pubDate>
      <guid>https://trid.trb.org/View/277525</guid>
    </item>
    <item>
      <title>OPTIMIZATION MODEL OF TRACTION CURRENT SUPPLY EQUIPMENT FOR PUBLIC TRANSPORT SYSTEMS</title>
      <link>https://trid.trb.org/View/277524</link>
      <description><![CDATA[No Abstract.]]></description>
      <pubDate>Sat, 28 Aug 2004 04:47:58 GMT</pubDate>
      <guid>https://trid.trb.org/View/277524</guid>
    </item>
    <item>
      <title>CALCULATION OF NOISE PROPAGATION IN VENTILATION SHAFTS</title>
      <link>https://trid.trb.org/View/271275</link>
      <description><![CDATA[Studies into the application of a new statistical energy analysis method.  The author reaches the conclusion that this method has advantages over other methods used thus far for measuring noise propagation and can contribute to establishing more accurate theoretical calculations.]]></description>
      <pubDate>Fri, 27 Aug 2004 22:00:52 GMT</pubDate>
      <guid>https://trid.trb.org/View/271275</guid>
    </item>
    <item>
      <title>ENERGY BALANCE IN RELATION TO DRIVING TECHNIQUE IN RAILWAY TRACTION</title>
      <link>https://trid.trb.org/View/204776</link>
      <description><![CDATA[Fuel consumption when starting, accelerating, with set regulating steps, coasting, gradual braking (engine ratings).  Example: passenger train with diesel traction-calculation program to optimize the driving mode for short distances with stops (no set regulating steps due to optimum use of coasting).  This should be taken into account when the timetable is prepared.]]></description>
      <pubDate>Fri, 28 Sep 1984 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/204776</guid>
    </item>
    <item>
      <title>INFLUENCE OF TRANSVERSE COUPLING OF ELECTRIC LOCOMOTIVE TRUCKS ON STABILITY IN RUNNING AND ABILITY TO NEGOTIATE CURVES</title>
      <link>https://trid.trb.org/View/168429</link>
      <description><![CDATA[The influence of transverse coupling in the case of different types of suspension is studied with the help of a calculation model.  The result shows that transverse coupling with linear suspension is only relevant on curves with a radius of less than 1,200 m; on a straight track it is less appropriate or even unusable.]]></description>
      <pubDate>Sat, 15 Aug 1981 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/168429</guid>
    </item>
    <item>
      <title>PROBLEMS OF RELIABILITY IN THE USE OF MICRO-ELECTRONICS IN RAILWAY SAFETY TECHNIQUES</title>
      <link>https://trid.trb.org/View/167117</link>
      <description><![CDATA[The next generation of railway safety installations will be based on microelectronics.  In view of relay techniques, new switching and other methods will have to be found. Problems are discussed, taking as an example reliability in information processing and an accommodation circuit for optic signalling.]]></description>
      <pubDate>Fri, 12 Jun 1981 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/167117</guid>
    </item>
    <item>
      <title>HEATING AND THERMAL LOADING CAPACITY OF OVERHEAD CONTACT LINES OF ELECTRIC RAILWAYS</title>
      <link>https://trid.trb.org/View/160382</link>
      <description><![CDATA[Bases of the thermal behavior of overhead contact lines. Deduction of the heating equation.  Determination of the temporary loading capacity.  Simulation of random loading.]]></description>
      <pubDate>Thu, 11 Dec 1980 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/160382</guid>
    </item>
    <item>
      <title>THE ENERGY ASPECTS OF THREE PHASE CURRENT PROPULSION FOR A.C. LOCOMOTIVES</title>
      <link>https://trid.trb.org/View/160385</link>
      <description><![CDATA[The three-phase locomotive with a 50 Hz supply frequency can only be constructed in an economical manner by using semiconductor techniques.  One disadvantage is the poor power factor, and the  article discusses circuits to improve this.  Three-phase current propulsion opens up new prospects.]]></description>
      <pubDate>Thu, 11 Dec 1980 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/160385</guid>
    </item>
    <item>
      <title>ON THE USE OF ELECTRO-OPTICAL DIGITAL MEASUREMENT RECORDERS IN TRANSPORT</title>
      <link>https://trid.trb.org/View/160391</link>
      <description><![CDATA[A contactless process for measuring spacing and movements. Application for measuring dynamic play of the track and track inspection.  Direct numerical calculation of values to be measured.  Figure coding.  Consideration on transmitter coding.  Representation of a recorder operating with absolute coding.]]></description>
      <pubDate>Thu, 11 Dec 1980 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/160391</guid>
    </item>
    <item>
      <title>STUDY OF TRACK BED MEASURING TECHNIQUES BY MEANS OF MOTIVE UNITS TRAVELLING OVER OPEN-CAST MINE RAILWAYS</title>
      <link>https://trid.trb.org/View/160392</link>
      <description><![CDATA[Use of the EL 3 motor tractor as a measuring vehicle in direct operation.  Based on the kinematic data of the bogie, an evaluation can also be made of the usual characteristics of the track bed from the angular modification of the axles in respect of the bogie frame.  The measuring system and experimental results are described.]]></description>
      <pubDate>Thu, 11 Dec 1980 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/160392</guid>
    </item>
    <item>
      <title>MEASUREMENTS OF VIBRATION AS A MEANS OF DETECTING DEFECTS IN THE PISTON-CYLINDER ASSEMBLY OF INTERNAL COMBUSTION ENGINES</title>
      <link>https://trid.trb.org/View/154895</link>
      <description><![CDATA[Possibilities for analyzing the frequency and time of vibrations and statistical analysis to detect defects. Experimental studies of vibrations on the diesel 4 KVD 14.5-SRL engine.  Location and classification of measurements.  Discussion of results.  Conclusion: statistical analysis is best suited for detecting wear.]]></description>
      <pubDate>Tue, 16 Sep 1980 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/154895</guid>
    </item>
    <item>
      <title>ANALYSIS OF THE INFLUENCE OF SOUND TRANSMITTED BY SOLID BODIES AS A CONTRIBUTION TO THE REDUCTION OF NOISE PRODUCED BY RAILWAY VEHICLES</title>
      <link>https://trid.trb.org/View/154905</link>
      <description><![CDATA[Means by which sounds are propagated by the air and solid materials inside coaches.  Analysis of the influence of sound transmitted by solid bodies, by means of statistical analysis of energy in the case of the space outside the external wall and any other system.  Basis of calculation for the relative amount of energy inside the coaches. Conclusions to be drawn for construction and insulation.]]></description>
      <pubDate>Tue, 16 Sep 1980 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/154905</guid>
    </item>
    <item>
      <title>A CONTRIBUTION BASED ON MARKET ANALYSIS FOR THE CHOICE OF TRANSMISSION ON DIESEL LOCOMOTIVES</title>
      <link>https://trid.trb.org/View/154908</link>
      <description><![CDATA[Market analysis is used to study the problem of whether electric or hydraulic transmission is technically and economically the most advantageous.  A statistical estimate is made of the relationship existing between the type of transmission and engine output, and also of that between the locomotive fleet and track gauge.  Trends in development are analysed by study of the locomotive fleet and the sale of locomotives.]]></description>
      <pubDate>Tue, 16 Sep 1980 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/154908</guid>
    </item>
    <item>
      <title>SPECTRAL DENSITY OF RANDOM TRACK IRREGULARITIES. A POSSIBILITY OF DEFINING OVERALL STRESSES TO WHICH RUNNING GEAR IS SUBJECTED</title>
      <link>https://trid.trb.org/View/154911</link>
      <description><![CDATA[The track irregularities are expressed by an integral of Stieltjes.  A collection of functions can be represented in the same way.  Together they describe the non-suspended vibrations with a spectrum of constant amplitude.  The integral makes it possible to use cylindrical functions presented in the form of tables, which facilitates practical evaluation.]]></description>
      <pubDate>Tue, 16 Sep 1980 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/154911</guid>
    </item>
    <item>
      <title>STUDIES IN THE STABILITY OF RAILWAY VEHICLES (BOGIE COACHES)</title>
      <link>https://trid.trb.org/View/154912</link>
      <description><![CDATA[A system of differential equations for vehicle vibration to assess running stability.  All data concerning the running gear is included.  These evaluations have been confirmed by the results of the tests conducted.  It is thus possible to determine trends in these values under different conditions.]]></description>
      <pubDate>Tue, 16 Sep 1980 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/154912</guid>
    </item>
  </channel>
</rss>