Replacing the energy density and convenience of diesel fuel for locomotives in freight operations present considerable challenges. Design requirements are explored using train dynamics simulations to establish energy needs. The […]
Accurate and precise mapping of geospatial data is imperative for the effective utilisation of condition monitoring system data in the management of railway infrastructure health. The health of track assets […]
This paper provides a review of standards-based simulation approaches to assessing the ability of a given railway vehicle-track combination to resist sustained lateral dynamic oscillations known as hunting. First, an […]
There is limited information on locomotive design developments that suit Australian needs in terms of practical applications for achieving net-zero-emission goals in rail motive power solutions. The usage of modelling […]
The Victorian Government is investing in a large pipeline of new rolling stock to improve services and replace ageing trains. As new rolling stock enters the network, it is critical […]
This paper deals with the design and structural strength of heavy haul turnouts for reliable and safe operations of heavy haul trains. A two step method was chosen to achieve […]
Decarbonisation of heavy haul rail is an essential contributor to a zero-emissions future. This paper provides an overview of the energy modelling being conducted at Aurizon, Australia’s largest rail freight […]
RAM (Reliability, Availability and Maintainability) is a term used in the Systems Engineering and Asset Management field that addresses uncertainty in engineering design and its asset performance. The word “Reliability” […]
It is anticipated that the global rail freight demand is likely to grow by more than 2% every year for the next 30 years, necessitating the need for increasing the […]
Rail electrification in Australia is largely confined to the major cities, and elsewhere most trains are powered by diesel. As Australia has now legislated the target of zero CO2 emissions […]
The 4th Generation BBT (BBT4) systems represent the latest generation of Bearing and Brake Temperature (BBT) systems for Sydney Trains’ monitoring of rolling stock axle bearing temperature, brake temperature (wheel […]
Controlling noise at the source is more cost-effective than path or receiver control. However, the projectbased delivery model for freight rail infrastructure in Australia limits opportunities to implement noise control […]
This paper reports the key technical aspects of the wagon rectification programs for improved wagon steering performance, focusing on developing, testing and validating solutions for rectification of threepiece bogies, including […]
Train driving strategies are dictated by the need for meeting timetabling and energy-efficient control. The magnitude and duration of traction and braking efforts can vary significantly and is strongly dependent […]
The rail sector has been playing an increasingly important role in society, with safe operation and maintenance costs being important aspects for railway managers and operators. The presence of unbalanced […]
Additive Manufacturing (AM) has grown in popularity over recent years, driven largely by a boom in hobbyist applications. Until recently, the application of AM technology to produce high end components […]
The unloading processes of rail-based logistic systems for dry bulk are currently complex or have relatively low throughput. It should therefore be possible to increase the logistic performance by redesigning […]
The calculation of rollingstock clearances is critical to the transit-space design of any rail project and is used for multidisciplinary clash detection and within drawing deliverables. This traditionally manual process […]
The body structures of most modern Australian freight rolling stock were designed to the 1992 ROAAAR standard. The introduction of AS 7520.2 in 2012 constituted a revolutionary change in approach […]
The visibility of trains depends not only on the actual luminance value of the train, but also on the average luminance of the surrounding background and the viewing parameters. The […]
Qualification of a rolling stock design involves a number of tests that ensure safe and acceptable performance under a range of conditions. However, the test conditions prescribed in the standards […]
Newcastle is transforming its identity from a mining town and regional industrial city linked to the greater Sydney basin, into a global city and gateway to Australia with an independent […]
This paper is a continuation of the work presented in Light Rail 2019 Conference titled “Creating crashworthiness standards to protect light rail passengers”. The increasing popularity of low-floor-height light rail […]
Wayside based condition monitoring devices have been present in the rail industry for many years and are able to detect a great number of potential failure modes. Typically, these systems […]
New rolling stock has to be designed and tested to ensure that its vertical wheel loads do not unload by more than 60% of its static wheel loads when subjected […]
Wagon running safety and stability issues, such as wagon rollover, wheel climb, body pitch, bogie pitch and wagon lift, are more prominent in long heavy haul trains due to larger […]
Alternative method of wayside monitoring system using optical strain sensors has been trialled in this paper. Fibre Bragg Grating (FBG) sensors provide advantages such as ease of instrumentation, better signal […]
Integration of a hybrid locomotive in a train consist is expected to reduce NOx emissions, reduce fuel consumption and improve energy efficiency by utilising a rechargeable energy storage system. In […]
This paper attempts to quantify the fuel savings and emission reductions which could be expected on longdistance rail passenger routes in Australia using a diesel hybrid with regenerative braking and […]
The Coupler and Draw gear standard AS7524:2019 [1] contains new requirements that have previously not been considered. The principal new consideration is that of jack knifing derailment from coupler lateral […]
During the railway train braking process, the effective braking takes place in the adhesion region and sliding occurs in the slip region of the adhesion-slip curve. The effectiveness of the […]
Managing obsolescence is becoming ever more challenging due to the rapid pace of technological advancement, especially with electronic or computer-controlled systems. Obsolescence management strategies have seen increased importance over the […]
When designing key structural elements of passenger rolling stock, freight rolling stock, locomotives, track machines or road-rail vehicles, the traditional design focus has been on identification of the “as written” […]
This paper provides an overview of the METRONET railcar procurement project which is delivering new electric and diesel railcars plus a new train maintenance and stabling depot at Bellevue, to […]
The geometry of a wagon and the other rolling stock to which it is coupled affects the angles developed by the couplers as the train negotiates various geometrical features in […]
Reliability and safety are motivating factors for advancements in traditional AAR style braking systems. Assessing the “brake effectiveness” and positive securement of trains have been two areas of focus for […]
This paper introduces a new method to study track dynamics and locomotive dynamics as well as track-locomotive interactions. The method uses a two-way co-simulation technique to link a detailed track […]
Conventionally, new light rail networks have been designed and constructed on an individual project basis, each with a unique design solution based around the type/model/platform of light rail vehicle (LRV) […]
Comeng carriages were brought into service between 1982 and 1989. Most of the trains are still in service, making them between 29 and 36 years old, and the most numerous […]
Maximizing the availability of assets to earn revenue directly impacts financial return on assets and shareholder value. CMMS is a new approach to integrate applications which can be used to […]
Due to the rapid advances in technology over the past 20 years, the use of embedded software based systems is now commonplace throughout the rail industry. Increasingly, systems that were […]
Heavy haul iron ore operations around the world have been continuously increasing axle loads and train lengths. Increased train length allows higher production without compromising the length of maintenance windows. […]
This paper covers the types and uses of mock-ups (full size models or replicas) in the design and construction of rolling stock. It focuses on the planning and considerations required […]
Sydney Metro is Australia’s largest public transport project and the nation’s first fully-automated metro system. This paper provides an update on the design, testing and commissioning of the metro rolling […]
At the core of railway services delivery is the need for rolling stock that can achieve its intended life while rendering efficient transport. There must be a balance between adopting […]
This paper describes the development and deployment of an axle-driven generator system for supplying power to permanently installed rollingstock instrumentation. The main application for this technology is to enable continuous […]
The classical design of the three-piece bogie for heavy haul wagons does not have a primary suspension and has proved its concept by its performance during operational service. It has […]
As the requirement for Crash Energy Management systems for rail cars comes more to the fore, an understanding of the relevance, types of available equipment, methodology of their application and […]
The crashworthiness of rail vehicles is an important design consideration, particularly for high capacity passenger vehicles. The unified European crashworthiness standard EN15227, released in 2008, brought together the existing research […]
Bombardier Transportation constantly works on and researches into new, innovative concepts to increase the safety of the daily operation of light rail vehicles. The objective in this particular development is […]
