Study material

Super Heater Generally super heaters are used in boiler to increase the temperature of a saturated steam comes from boiler drum. In boiler drum as discuss in earlier blogs number of turbo (Cyclone) separators are working to separate saturated steam and water, water goes to water wall again and again to receive saturated steam condition, this saturated steam now goes to achieve super-heated temperature generally 540 0 in a 210 MW capacity boiler by heat transfer from flue gases. The super heaters are classified by their location and temperature range. The steam transfer takes place gradually. The location of super heater decided in such a manner that temperature difference between steam and flue gases occurs not to high. i.e the temperature of flue gases at low temperature super heater is less then temperature at final super heater. in a 210 MW boiler there are three super heaters are generally used : Low temperature super heater (LTSH) or Primary super heater Platen super heater...

Work, Power and Energy : Work : Work is a product of applied force and displacement in the direction of force W = FxD where F is applied force and D is displacement in the direction of force Unit : F - N, D - m then W = Nm = Jule Displacement : Displacement is a vector quantity, it can be positive or negative. If a body starts its motion from a point and move in a zigzag path then the total length of the path is known as "Distance" and the shortest distance between the start and end point is known as "Displacement". Engineering Mechanics Power :  Rate of work done per unit time is known as Power. P = W/t = FxD/t  = Fx v ,  ( v is velocity ) Unit : Nm/sec = Jule/sec= Watt. Energy : Energy is the capacity of body to do work. Unit of Energy = Jule General types of energy :- Kinetic Energy  Potential Energy Nuclear Energy Chemical Energy Electrical Energy Solar Energy Kinetic Energy : The energy due to motion of a body is known as Kinetic Energy (KE) KE  = mv 2 /...