Essays about: "Railways"

Showing result 21 - 25 of 118 essays containing the word Railways.

1. 21. The Effect of High Wheel Impact Load on the Rail Reliability - a Case Study at Bodsjön

   University essay from KTH/Spårfordon

   Author : Ngoc Thúy Vy Dang; [2021]
   Keywords : rail defects; rail reliability; Ultrasonic Test; wheel damage; Wheel Impact Load Detector; statistics; järnvägsdefekter; järnvägssäkerhet; ultraljudstest; hjulskador; hjullastningsdetektor; statistik;

   Abstract : This study focuses on the reliability of railway track in the relation with high loads resulted from wheel damages, where higher (dynamic) vertical wheel loads are expected from trains with damaged wheels. The Swedish Transport Administration (Trafikverket) has monitored and recorded data of rail defects and breaks. READ MORE

3. 22. RELIABILITY ANALYSIS OF REPAIRABLE SYSTEMS WITH COVARIATES: A CASE STUDY OF RAILWAY TRACK

   University essay from Luleå tekniska universitet/Drift, underhåll och akustik

   Author : Alvaro Andres Rincon Franco; [2021]
   Keywords : Reliability; Railways; Covariates;

   Abstract : Linear assets are complex industrial systems that extend from one geographical region to another. Given the criticality of the industrial activities linked to them, it is vital to accurately estimate the systems' reliability. READ MORE

4. 23. Energy Harvesting for Health Monitoring Balises : Analytical study

   University essay from KTH/Skolan för elektroteknik och datavetenskap (EECS)

   Author : Leire Carreras Orobengoa; [2021]
   Keywords : Balise; Energy harvesting; Railway signaling; Wireless communication networks;

   Abstract : Balises are transponders installed in railways. These devices are nowadays powered by means of a radiofrequency signal emitted by each running train that passes above them. It is only during this moment that the health state of the balises is checked. READ MORE

5. 24. All Roads Lead To China : A case study on Nigeria’s HIV epidemic and the effect of One Belt One Road:How does China’s One Belt One Road Initiative affect Nigeria’s HIV epidemic?

   University essay from Uppsala universitet/Teologiska institutionen

   Author : Laura Bosma; [2021]
   Keywords : ;

   Abstract : Nigeria is home to the second-largest HIV epidemic in the world. Due to its neglected healthcare system, dwindling economy and persistent cultural beliefs, and stigmatization of people with HIV, the virus has been transmitted relatively freely for decades. READ MORE

6. 25. A comparison of rail and sea freight from Europe to Asia

   University essay from Lunds universitet/Teknisk logistik

   Author : Jackie Berg; Louise Pettersson; [2021]
   Keywords : Sea freight; Rail freight; Transportation mode selection; Asia; Transportation; Technology and Engineering;

   Abstract : Title: A comparison of rail and sea freight from Europe to Asia Authors: Jackie Berg & Louise Pettersson Supervisors: Jan Olhager, Department of Industrial Management and Logistics, Faculty of Engineering, Lund University Malin Gejde, Shipping Manager, Tetra Pak AB Background: Transportation mode selection has become a more strategic part of a well-functioning supply chain as globalization, environmental concerns, and security requirements have become more important. Currently, sea freight is the most used transportation mode for Tetra Pak when transporting goods between Europe and Asia. READ MORE