introduction A main reason for high vibration and failure in machinery is the misalignment between driver and driven which is an interested topic among repair and maintenance experts. To reach the high speeds with low vibration amplitude, the first regarded issue is the balancing and alignment. Underestimation of balance and alignment, especially in high speed…
introduction Pumps are used for increasing the liquid pressure. Mechanical energy in pumps is taken from a foreign source and given to the fluid. However fluid energy is increased after leaving the pump. Pumps are divided into two categories according to the way of transmitting energy: 1. Dynamic pumps: In which energy transferring to fluid…
introduction Compressors play important role in industries such as petroleum, oil and gas and … as the heart of the plant. These machines are driven by electric motors or turbines either steam or gas. Compressors are used for compressing the gases fluids. Compressors which are used for compressing fluids are knows as pumps. In some…
introduction Steam turbines are of the most ancient equipment played important role in different industries. Produced force due to impacting steam molecules to rotor impeller, causes rotation of the rotor. In fact, steam turbine is a device which transforms heating & pressure energy to mechanical. There are some restrictions with steam turbines such as difficult…
introduction Industrial valves are used in many cases in most industries. In fact one of the most important topics in piping is the introduction, utilization and function of industrial valves. Industrial valves are categorized in multiple methods. One of these methods is according to the valves function as following: 1- On-Off Valves 2- Throttle Valves…