Results 91 to 100 of about 23,739 (181)
Research on aerodynamic characteristics of high-velocity train bogies
The bogie is a critical component of high-velocity trains. As train velocity rises, the operational quality is increasingly influenced by aerodynamic forces.
Jin Yongrong, Chen Xiaoli
doaj +1 more source
The track and external costs of road transport [PDF]
1.1.1 The purpose of this study is to review: i) Developments in methodology and data regarding issues such as vehicle delay, accidents, overloading and valuation of environmental effects.
Fowkes, A.S., Nash, C.A., Tweddle, G.
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Iowa Department of Transportation Major Items - Preliminary Quantity Report, September 17, 2013; With Addendums [PDF]
Weekly letting ...
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Disaggregated Approaches to Freight Analysis: A Feasibility Study. [PDF]
Forecasting the demand for freight transport is notoriously difficult. Although ever more advanced modelling techniques are becoming available, there is little data available for calibration.
Fowkes, A.S. +3 more
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Track/train dynamics test procedure transfer function test [PDF]
A transfer function vibration test was made on an 80 ton open hopper freight car in an effort to obtain validation data on the car's nonlinear elastic model.
Vigil, R. A.
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Automotive Stirling engine development program [PDF]
The major accomplishments were the completion of the Basic Stirling Engine (BSE) and the Stirling Engine System (SES) designs on schedule, the approval and acceptance of those designs by NASA, and the initiation of manufacture of BSE components.
Cronin, M. +8 more
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Establishing Load Transfer in Existing Jointed Concrete Pavements, HR-1041, 1985 [PDF]
In this paper are described the results of a research project that had the objective of developing construction procedures for restoring load transfer in existing jointed concrete pavements and of evaluating the effectiveness of the restoration methods ...
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Traktorin vetokoukun kuormitukset ja sijainti [PDF]
The English version of the report rev. by Pekka Olkinuora. Tutkimus liittyy pohjoismaiseen projektiin NKJ-42 [= Nordiska kontaktsorgan för jordbruksforskare]
Ahokas, Jukka,, Salminen, Risto
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Wheel eccentric load is commonly observed in driven hydraulic engineering vehicles and seriously impacts their operational safety. To address this issue, a dynamic model that accounts for the drive system was established for an engineering vehicle using ...
LIU Jiahui +3 more
doaj
Hydrogen-fueled postal vehicle performance evaluation [PDF]
Fuel consumption, range, and emissions data were obtained while operating a hydrogen-fueled postal delivery vehicle over a defined Postal Service Driving Cycle and the 1975 Urban Driving Cycle.
Hall, R. A.
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