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1
Jun
1998
Technical Reports
Field Evaluation of a Wayside Horn at a Highway-Railroad Grade Crossing
Subject
Freight Operations,
Grade Crossing Technology,
Highway-Rail Grade Crossing Warning Systems,
Highway-Rail Grade Crossings,
Human Factors
Keywords: auditory warning, community noise impact, highway-railroad grade crossings, safety, train horn,
Abstract: This report examines whether the use of a stationary horn at grade crossings reduces community noise impacts or affects motorist safety.
Report Number
DOT/FRA/ORD-98/04
Office
RRD
1
Jun
1998
Technical Reports
Improved Source Location Using Sensor Arrays
Subject
Hazardous Materials
Keywords: Acoustic emission location sensor-array
Abstract: The purpose of this research was to develop a sensor array capable of identifying the location of acoustic sources. The sensor array was constructed from a polymer known as PVDF....
Report Number
DOT/FRA/ORD-98/05
Office
RRD
1
Jun
1998
Technical Reports
Stub Sill Tank Car Research Project: Full-Scale Damage Tolerance Test
Subject
Evaluation
Keywords: Damage Tolerance Analysis, Full-Scale Fatigue Crack Growth
Abstract: The Federal Railroad Administration, with supplemental support from the Railway Progress Institute, contracted with the Association of American Railraods (AAR), Transportation...
Office
RRD
1
Jun
1998
Technical Reports
Analyses of Rail Chill Effect
Keywords: Braking; Heat transfer analysis; Rail vehicles; Wheels
Abstract: The principles of heat transfer are applied to analyze the so-called “rail chill” effect, which refers to heat loss by conduction from a hot rail vehicle wheel through the contact...
Report Number
DOT/FRA/ORD-97/07
Office
RDI-20
1
May
1998
Technical Reports
Improved Roller Bearing Wayside Detection Research - Phase I Laboratory Test Report
Subject
Evaluation
Keywords: Acoustics, Roller Bearing Defects, Raceway Spalls, Water Etching, Loose Bearing Components, Spun Cones
Abstract: A series of tests were performed at the Bearing Test Facility at the Transportation Technology Center in Pueblo, Colorado, to gather acoustic and acceleration emissions for a...
Report Number
DTFR53-93-C-00001
Office
RRD