Search results for keyword: drag
Preliminary rolling pass design
Design of Starting Hole for Cold Rolling
Cold rolling technology is mainly used for processing thin sheet, strip, foil and other thin steel products. To ensure the normal process of cold rolling, it is necessary to punch a starting hole at the edge of the blank before rolling. The punching size a......
1058 
Alexis
rock drillability
Rock Drillability Rock drillability is the ability of rocks to be drilled or mined using a drilling machine, such as a jackhammer or rotary drill. It is an important property that affects rock fragmentation, excavation methods, drilling and blasting operations, and other applications in the mining ......
Yong Jiao
A Story of Determination
Once upon a time there was a young girl named Wendy, who lived with her family in a small town near the beach. She loved the sea and was always excited to be around it. Wendy was a very determined girl – determined to do what she wanted and what she dreamt of.
One day......
mining machine
Mining machinery is a vital part of the mining system. In order to be successful in extracting mineral resources, it is essential to use technologically advanced and dependable mining machines. Mining machines have been developed and improved over the last century, and today complex and sophistica......
wooden bellows
Tthe Woodwind Case: An Innovative Way to Store Your Valuables
The Woodwind Case is an innovative storage container designed to protect and secure your most valuable items. This storage case is made from real hardwoods, giving it a beautiful and natural look. The case is lined with a polyurethane ......
turbomolecular pump
Turbomolecular pumps are a type of vacuum pumps used to achieve and maintain high vacuum environments. The essential parts of the turbomolecular pump are a drive motor, rotor and stator. The turbomolecular pump is a rotary pump driven by a rotating motor. The drive motor is generally an electrodyn......
Gantry crane
The crane is a kind of mechanical equipment which mainly consists of a tower body, a crane arm, a rack system, a hoisting mechanism and an operation platform. It is mainly used for lifting and carrying goods, also for installation and demolition of large parts. In some special cases, it can also b......
Turbine blade
Transparent Wing
Introduction
The transparent wing, also known as the aerodynamic transparent wing, is an aircraft wing that is transparent to the air.This wing structure has been used in some military aircraft and has made an indelible impact in the fields of aeronautical research, aeronautical e......
prospecting machinery
Mining machinery has come a long way in the past few decades. What used to take hours of manual labor can now be done quickly and efficiently with the help of machines. This has made mining much more profitable, as well as less risky, for miners, and this is why so many people have taken up the pr......
The concept and application of gas dynamics of turbomachinery
Fluid Dynamics: Its Concepts and Applications
Abstract
In fluid dynamics, its concepts and applications are essential for understanding the principles of mechanics and for predicting the behavior of gases and liquids. This paper will discuss some of the most common concepts and their application......
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