Article citation info: (*) Tekst artykułu w polskiej wersji językowej dostępny w elektronicznym wydaniu kwartalnika na stronie www.ein.org.pl LuTy W. Simulation-based analysis of the impact of vehicle mass on stopping distance.
Run flat properties are required for tires intended for special applications like military or rescue vehicles. Run-Flat inserts make possible to drive a car or truck, with certain restrictions, also when inflation pressure is very low or non-existing (after tire damage). Rolling resistance of tires rolling on the inserts increases considerably in relation to the rolling resistance of properly inflated tires. This paper presents results of rolling resistance measurements for such conditions.
In the era of the rapid development of motorization one of the most important character-istics of transport vehicles is the safety and comfort of their drivers and passengers. In par-ticular, people driving vehicles professionally are exposed to vibrations, which may ad-versely affect their bodies, causing discomfort, dysfunctions, and even lesions of disease. The vibration level triggered by the system a road – a vehicle depends on the type and pro-file of the road surface as well as the driving speed. Vibration levels are assessed by means of characteristics and comfort comparative indexes determined by experimental methods. Attempts at assessing the comfort while driving along paved roads may be found in many publications; however, there is a lack of information on testing vehicles moving in off-road conditions, which is substantial from the point of view of military vehicle crews’ comfort. The driving comfort of crews of wheeled vehicles is subjected to examinations at the Mili-tary Institute of Armored and Automotive Technology.
Road safety depends on the interaction in the human - vehicle - road system. The proper functioning or condition of each of these three elements is a prerequisite for ensuring the maximum possible level of safety. The most important requirement that is placed on special vehicles is to ensure crew protection during the implementation of operational tasks. Unfortunately, often when putting operational tasks overriding during designing vehicles, aspects related to driving comfort are ignored. The article presents a proposal for the description of light construction of seats for the crews of special vehicles, which, apart from the functions related to the ergonomic use of seats by the crew, in terms of safety ensure a high probability of protection of health and life of the crews during a collision or near detonation of an explosive charge. Proposed modular structure of the seats, in addition to the repeatability of elements, which reduces production costs and easy configuration of seats with various functions, will also contribute to a faster process of restoring their functionality in the event of damage. Modules should be selected and developed in such a way that they can be used in various configurations of seats, the functions of which can be determined due to: location in the vehicle, i.e. driver’s, troops, system operators’ seats, installation method, i.e. to the wall, floor, ceiling, direction assembly, i.e. side mount, rear mount, bottom mount.
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