Vibrations

gravados e logo o disco, junto com o single “No Woman, No Cry”, estava nas paradas de sucesso. Em Novembro, quando Marley voltou a Jamaica para tocar num show beneficiente com Stevie Wonder ele já era obviamente a maior estrela da ilha. “Rastaman Vibrations”, o álbum seguinte, lançado em 76, atingiu o topo das paradas americanas e é considerado por muitos a mais clara exposição da música e das crenças de Bob. O LP incluía músicas como “Crazy Baldhead”, “Johnny Was”, “Who The Cap Fit” e,…

already exist. In this job is illustrated one of many natural phenomena, the Magnetism. Focusing on alleviating, and if possible eliminate mechanical vibrations, is applied the concept of magnetic induction, that is used to transfer a turning moment through the air. With many test of mechanical vibration is noted a reduction of the vibrations caused on a coupling magnetic, and more benefits that this natural phenomena proved provide in the coupling system. 2 INTRODUÇÃO O Projeto do

widely used nowadays because of its low cost, practicality and great sensitivity. The various sounds audible through the stethoscope suggest pulmonary conditions of great importance for the treatment of the sick. These sounds are the result of vibrations and their lung airways transmitted to the chest wall. 5 Lista de componentes - Circuito integrado(AMPOP) LM386 de baixa tensão(R$1,40); - Transistor MPF102 (R$4,00); - 1K Ohm 1/4-Watt Resistor (R$0,10); - 1M Ohm 1/4-Watt Resistor…

same ones in the drying of coffee fruits. The applied vibration to each tray and the vibratory feeder was certain being used a meter of acceleration piezoelectric coupled to a conditioning of sign and this to an analogical oscillation meter. The vibrations parameters were quantified for the coffee drying to the fruit temperature of 45ºC, air flow in the dryer of 8 kg/min and initial mass of moisture coffee of 10 kg, 12 kg and 14 kg. The vibration width applied to the trays, to make…

aceleração do chassi – por ser considerado fator de conforto, do piloto – muito embora o aplicativo forneça dados referentes à deslocamento, velocidade e aceleração de todos os componentes do modelo físico. Bibliografia Rao, S.; Mechanical Vibrations, Addison Wesley, New York (1995) Gillespie, T.; Fundamentals of Vehicle Dynamics, Warren dale: SAE, (1992). Nicolazzi, C.; Rosa, E; LEAL, L; Uma Introdução à Teoria de Veículos, Florianópolis, UFSC, (1994). Figura 1.…

of optimum power and speed, are normally 4 to 8 cylinder versions. The main types of vibration can be summarised as follows: Cyl. No. 4 5 6 7 8 Vibration type of Feature concern 1st order moment 2nd order moment 2nd order moment None Torsional vibrations Compensator Compensator Compensator None Damper Engine Development The MC engines are undergoing continuous development on the basis of comprehensive service experience gained from the more than 3,400 MC engines in service all over…

índices de ruído emitido pelas chaparias do reator. Referências BAVASTRI, C. A., Redução de Vibrações de Banda Larga em Estruturas Complexas por Neutralizadores Viscoelásticos, Tese de Doutorado, UFSC, 1997. ESPÍNDOLA, J.J., “Modal Reduction of Vibrations by Dynamic Neutralizers: A General Approach”,1984. FILLIPIN, C. G. et. al., A Solução do Problema de Ruído em Transformadores de Subestações, XVII SNPTEE, 2003. GERGES, S. N. Y ., Ruído: fundamentos e controle. 2ª Ed. Florianópolis:…

particularly in the case of thin walls [5]. In milling or other processes associated with interrupted cutting, a low Young modulus causes major variations in chip thickness, i.e., high vibration levels, especially chattering—or self-excited vibrations— which cause tool edge microchipping and the premature end of its service life [6]. This type of vibration also increases in response to the formation of serrated chips, which is also a consequence of low heat conductivity and…

de solda a ser efetuado. ABSTRACT The resistance spot welding, used today by many companies, mainly in the automotive industry, has how focuses mainly, his practicality, speed, high mechanical resistance to vibrations in addition to accurately perform the union of surfaces. The Welding being knew as the fusion of two or more parts through the electric arc or electric resistance, and has numerous control variables which influence so much in the…

system was composed for a signal amplifier, an electrodynamical exciter driver (shaker), a conditioner of signals, a plate of acquisition of signals, a generic software, accelerometer and a personal computer. Key-words: Cost, Didatic laboratory, Vibrations, Acquisition of data, LabVIEW