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What are the stages in steam turbine?
Classifications of steam turbines: According to Principle: 1. Impulse Type 2. Reaction Type. According to Application: 1. Condensing 2. Non-condensing
What is the length of an blade for a gas turbine?
The length of a blade depends on the style (impulse or reaction), the overall size of the turbine, whether it is an axial flow or radial flow turbine, and where the blade is located within turbine of an axial flow turbine. One thing that is constant: the length of the blade increases from the steam or gas inlet to the discharge of the unit. The profile will gradually increase in diameter from inlet to discharge.
What is the impulse turbine mechanism?
Impulse turbine Mechanism deals with the Impluse force action-reaction . As we all know the Netwon 3rd law of motion," Every action has equal and opposite reaction", the same is work on this. As the water fall on the blade of the rotor it generate the impact force on the blade surface, The blade tends to give the same reaction to the fluid, but the rotor is attached to the rotating assembly, it absorb the force impact and give the reaction in the direction of the fluid flow.Thus the whole turbine rotates. The rotation speed of the turbine depends on the fluid velocity, more the fluid velocity, greater the rotation speed, ans greater the speed means more power generation. regards, Alpesh Prajapati india. BE Mech. (alpesh_engg@yahoo.co.in)
What does the turbine do in a generator?
A turbine is a rotary engine that extracts energy from a fluid flow and converts it into useful work.The simplest turbines have one moving part, a rotor assembly, which is a shaft or drum with blades attached. Moving fluid acts on the blades, or the blades react to the flow, so that they move and impart rotational energy to the rotor. Early turbine examples are windmills and water wheelsGas, steam, and water turbines usually have a casing around the blades that contains and controls the working fluid. Credit for invention of the steam turbine is given both to the British Engineer Sir Charles Parsons (1854-1931), for invention of the reaction turbine and to Swedish Engineer Gustaf de Laval (1845-1913), for invention of the impulse turbine. Modern steam turbines frequently employ both reaction and impulse in the same unit, typically varying the degree of reaction and impulse from the blade root to its periphery.A device similar to a turbine but operating in reverse, i.e., driven, is a compressor or pump. The axial compressor in many gas turbine engines is a common example. Here again, both reaction and impulse are employed and again, in modern axial compressors, the degree of reaction and impulse will typically vary from the blade root to its periphery.
What are the key differences between a rip blade and a crosscut blade, and how do these differences impact the quality of cuts in woodworking projects?
A rip blade has fewer teeth and is designed to cut along the grain of the wood, making it ideal for making long, straight cuts. A crosscut blade has more teeth and is designed to cut across the grain of the wood, resulting in smoother and cleaner cuts. The choice of blade can impact the quality of cuts in woodworking projects by affecting the speed, precision, and finish of the cut.
What are the key differences between a rip saw blade and a crosscut saw blade, and how do these differences impact their performance and suitability for various woodworking tasks?
A rip saw blade has fewer teeth with larger gullets, designed for cutting along the wood grain. A crosscut saw blade has more teeth with smaller gullets, meant for cutting across the wood grain. These differences impact their performance by affecting the speed and smoothness of the cut. Rip saw blades are better for fast, rough cuts, while crosscut saw blades provide cleaner, more precise cuts. The choice between the two depends on the specific woodworking task at hand.
What are the main differences between a utility knife and a paring knife, and how do these differences affect their respective uses in the kitchen?
The main differences between a utility knife and a paring knife are their size and blade shape. A utility knife is larger with a straight or slightly curved blade, while a paring knife is smaller with a shorter, more pointed blade. These differences affect their uses in the kitchen because a utility knife is more versatile and can handle a wider range of tasks such as slicing, chopping, and dicing larger ingredients. On the other hand, a paring knife is better suited for more delicate tasks like peeling, trimming, and intricate cutting work.
Should a katana ordered online have oil on the blade when it arrives?
Blades have oil on them to protect from rusting. Rust is a reaction between the metal an oxygen in the air. I would fully expect the blade to have some amount of oil on it to protect it.
What are the Differences between ponyboy and johnny in the outsiders?
Johnny is abused by his parents, Ponyboy has siblings and Johnny does not, and Johnny carries around a kinfe/ blade in his pocket
What are the key differences between a riving knife and a splitter in terms of safety and functionality when using a table saw?
A riving knife is a safety device that moves up and down with the saw blade, preventing kickback by keeping the wood from pinching the blade. A splitter is a fixed blade that helps prevent kickback by keeping the wood from closing in on the blade. The riving knife is generally considered safer and more effective than a splitter because it adjusts with the blade, providing better protection.
What are the key differences between a folding knife and a switchblade?
A folding knife has a blade that manually opens and closes, while a switchblade has a blade that opens automatically with the press of a button. Switchblades are often considered illegal in many places due to their automatic opening mechanism.
What are the differences between a rip blade and a crosscut blade, and how do they impact the quality of cuts in woodworking?
A rip blade is designed for cutting along the grain of the wood, while a crosscut blade is meant for cutting across the grain. Rip blades have fewer teeth and are more aggressive, making them better for fast, rough cuts. Crosscut blades have more teeth and produce smoother, cleaner cuts. Using the right blade for the job can greatly impact the quality of cuts in woodworking, ensuring precision and efficiency.
