منابع مشابه
Material Evaluation: Self Damping Wire SD/ACSR Conductor Failures
Power District (NPPD) implemented an inspection program to determine the extent of condition for this type of widely used conductor. Other companies which have had related issues with similar types of corrosion have simply replaced their existing insignificant miles of conductor; however NPPD transmission system includes over 2000 miles of this particular conductor. Throughout 2012, many other ...
متن کاملDamping Oscillations in Material Handling Robot Using Input Shaping
When suspended payloads are moved in a material handling environment pendulum like oscillations are naturally introduced. This presents a problem any time especially when expensive and/or delicate objects are moved. In a steel industry environment objects have to be placed in tight locations after finishing up of rolling. Typically an object (rolled coil) is lifted by a hook on the end of a cab...
متن کاملEffect of surface treatments on damping behavior of carbon and glass fiber reinforced friction material
The ability to absorb vibrations in a vehicle during braking conditions depends primarily on the selection of ingredients for a friction material and interfacial adhesion between all these ingredients. In this work, a hybrid brake friction material is developed by combination of carbon fiber (CF), glass fiber (GF), resin and other ingredients. The surfaces of carbon and glass fibers are c...
متن کاملOptimal design of unconstrained damping material on a thin panel by using topology optimization
Damping material is usually applied on the steel panel of a vehicle to reduce vibration level. On the other hand, the weight reduction is also required to improve fuel consumption. Therefore, modal loss factors induced by damping material on the steel panel of a vehicle body structure need to be maximized with a given volume. In this paper we propose a practical design method to maximize modal ...
متن کاملMeasurement of relevant elastic and damping material properties in sandwich thick plates
An easy-to-implement method to measure relevant elastic and damping properties of the constituents of a sandwich structure, possibly with a heterogeneous core, is proposed. The method makes use of a one-point dynamical measurement on a thick plate. The hysteretic model for each (possibly orthotropic) constituent is written generically as “E(1 + jη)” for all mechanical parameters. The estimation...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: The Journal of the Acoustical Society of America
سال: 1965
ISSN: 0001-4966
DOI: 10.1121/1.1939613