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Abstract:	A fire can occur in many areas of a transport system. Detecting fires at an early stage and rapid automated fire-fighting can significantly minimize or completely prevent damage to rolling stock and infrastructure. In addition to effective fire-fighting, people should be safeguarded, the systems should be economical, and activation should cause a minimum of damage. Despite the positive effects of using automatic fire-fighting systems in terms of building protection and reducing the fire load, there may be negative effects on escaping persons during the escape phase. Different systems such as the high-pressure water mist system and the deluge system are investigated by CFD simulation and evaluated with regard to their use during the escape and external rescue phases. Brände können in vielen Bereichen eines Verkehrssystems entstehen. Eine frühzeitige Brandmeldung sowie eine schnelle automatisierte Brandbekämpfung können die Schäden an Schienenfahrzeugen und Infrastruktur erheblich minimieren oder ganz verhindern. Neben der effektiven Brandbekämpfung sollen Menschen geschützt werden, die Anlagen sollten wirtschaftlich sein, und durch die Aktivierung sollte ein Minimum an Schäden verursacht werden. Trotz positiver Effekte beim Einsatz automatischer Brandbekämpfungsanlagen hinsichtlich des Bauwerkschutzes und der Reduzierung der Brandlast sind während der Selbstrettungsphase unter Umständen negative Auswirkungen auf flüchtende Personen gegeben. Es werden unterschiedliche Systeme, wie die Hochdruckwassernebelanlage und die Sprühflutanlage mittels CFD-Simulation untersucht und diese im Hinblick auf den Einsatz während der Selbst- und Fremdrettungsphase bewertet.
Source:	Geomechanics and Tunnelling 12 (2019), No. 6
Page/s:	681-689
Language of Publication:	English/German

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