Results 71 to 80 of about 4,604 (287)
Research on Emergency Brake Deceleration Rate of Metro Vehicles under Low-adhesion Condition
, 2015 For ensuring the operation safety, emergency brake deceleration rate of metro vehicles under low-adhesion condition was studied. Firstly, the requirements about operation under the worst condition, regulated by related standards, were presented. Secondly,
GAO Xiaobo, DUAN Jichao, WANG Weibo
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Southern Economic Journal, EarlyView.ABSTRACT This paper examines the causal impact of federal homeless‐assistance grants on reported homelessness and shelter capacity across 370 Continuums of Care in 2019. We exploit cross‐sectional variation in pre‐1940 housing shares, used in Community Development Block Grant formula allocations, as an instrument for combined CoC and Emergency ...
Luke Maddock, Anita Alves Pena
wiley +1 more source
机车电传动, 2017 According to the practical application of metro vehicles, the temperature properties of brake resistor in the outlet of B type vehicles were analyzed.
LI Jingjuan
doaj
Application of Fault Predication and Health Managementin Metro Vehicle Operation and Maintenance
Kongzhi Yu Xinxi Jishu, 2020 It analyzed the current situation of rail transit and proposed a fault prediction and health management(PHM) method for metro vehicles supported by sensor technology and big data analysis technology.
PAN Ying
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Costs of services in metro vehicles
, 2009 Práce se zabývá problematikou nákladů na údržbu a opravy vozů metra Dopravního podniku hl. m. Prahy, a.s. Mapuje historii i současný stav vozového parku metra, včetně jeho zázemí. Analyzuje náklady na údržbu a opravy Jednotky Správa vozidel Metro.
Šáfrová, Pavla
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Safety Science and Technology, EarlyView.Driven by halon and high GWP agent phase out, perfluorohexanone is increasingly deployed in enclosures such as data centers, marine machinery spaces, and industrial process lines. This review summarizes application performance, discharge and distribution design, material compatibility, and byproduct control and maps practical gaps for large volume and ...
Zhilei Yu +8 more
wiley +1 more source
Research on Flywheel Energy Storage Device of Regenerative Brake for Metro Vehicles
机车电传动, 2019 Due to the operation characteristics of short distance between stations, start acceleration and brake deceleration frequently and the huge energy generated by regenerative braking for the metro vehicles can be absorbed and stored by flywheel energy ...
Zhikun YOU, Qun ZHOU, Wei WANG
doaj
Metro Vehicle Blast Testing: Mitigating the effects of Terrorist Attacks on Metro Vehicles [PDF]
Over recent years the mechanics by which terrorist attacks are carried out have changed leading to an increased threat of un-forewarned attacks on transport systems.
Santiago A, Robinson AM, O'Neill C
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Experimental Fatigue Evaluation of Bogie Frames on Metro Trains
, 2022 Metro vehicles have always been known for their high passenger density, frequent traffic flow and strong alternating loads due to their severe running environment.
Hui Wang +6 more
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Structural Concrete, EarlyView.Abstract The use of fiber reinforced concrete (FRC) in precast tunnel segments is among the most established and representative applications of this material. Over the past two decades, numerous tunnel linings were constructed with partial or total substitution of conventional steel reinforcement by fibers, this yielding to quantifiable benefits in ...
Vladimir Rusanov +4 more
wiley +1 more source