Karman vortices observed around chimneys may induce dangerous here structural vibrations at certain wind velocities.The aim of this paper is to analyse the effectiveness of a pendulum damper in reducing vibrations of a steel chimney.A two-degree-of-freedom non-linear model is used to simulate the behaviour of the structure equipped aluminum lotion
Abstract Background Baitouweng is a traditional Chinese medicine with a long history of different applications.Although referred to as a single medicine, Baitouweng is actually comprised of many closely related species.It is therefore critically important to identify the different species that are utilized in these medicinal applications.Knowledge
Pandemic moments have generated mental and emotional problems in students at all levels.These have been affected by the format of virtual classes, the mandatory confinement and the little physical relationship due to the existing restrictions, generating academic burnout and anxiety in university students.In this context, the objective was to know
Airborne LiDAR (Light Detection and Ranging) is an active Earth observing system, which can directly acquire high-accuracy and dense building roof data.Thus, airborne LiDAR has become one of the mainstream source data for building detection and reconstruction.The emphasis for building reconstruction focuses on the accurate extraction of feature lin
[Introduction] The aluminum lotion double-turbine regeneration system can improve the energy efficiency of the unit.How to design the control strategy and ensure its safety, economy and effectiveness has been the prime focus of our group.[Method] According to the functional requirements of the double-turbine regeneration system, a corresponding the