Drgania kabli wywołane wiatrem i ich metody tłumienia. Część 1. Rodzaje wymuszeń

• Autorzy: Irena Gołębiowska , Kazimierz Peszyński

Warianty tytułu

Cable Vibrations Caused by the Wind and Damping Methods. Part 1. Types of Excitations

• Języki publikacji: PL

Abstrakty

W pracy krótko scharakteryzowano wybrane podstawowe rodzaje wymuszeń drgań kabli wywołanych działaniem dynamicznym wiatru. Opisano takie zjawiska aerodynamiczne jak wzbudzenie wirowe, wzbudzenie wiatrowo deszczowe,galopowanie i buffeting.Kable to konstrukcje, które charakteryzują się małym tłumieniem wewnętrznym, małą sztywnością i małą masą, wobec czego nie są zdolne do całkowitej dyssypacji energii wymuszenia, stąd mogą osiągać duże amplitudy drgań. Duże amplitudy drgań powodują nadmierne naprężenia, obniżając w ten sposób poziom bezpieczeństwa konstrukcji.(abstrakt oryginalny)

EN

The paper briefly presents selected basic kinds ofexcitations of cable vibrations caused by dynamic effect of the wind.It describes the aerodynamic phenomena such as vortex excitation, wind-rain excitation, galloping and buffeting.Cables are structures which are characterized by low internal damping, low rigidity and low weight, so that they are not capable to dissipation of total excitationenergy, hence they can reach a large amplitude vibrations.Large amplitude of vibrations cause excessive stress, thereby lowering the safety of the structure.(original abstract)

Słowa kluczowe

PL

Przemysł kablowy; Energia wiatru; Rozwój technologiczny

EN

Cable industry; Wind energy; Technological development

• Czasopismo: Logistyka
• Rocznik: 2015
• Numer: nr 4, CD 2
• Strony: 1851--1858

Twórcy

autor

Irena Gołębiowska

• Uniwersytet Technologiczno-Przyrodniczyw Bydgoszczy

autor

Kazimierz Peszyński

• Uniwersytet Technologiczno-Przyrodniczy w Bydgoszczy

Bibliografia

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