The fayette power station* is a coal-fired power plant located near la grange, texas and provides electric power for both the houston and austin metro areas. this power station has a nominal output power of 1,760 mw (electric), and has an approximate thermal efficiency of 40%. heat is provided to the plant by combustion of coal, and the thermal sink for the plant is lake fayette, a manmade reservoir. using the given data, determine the rate of heat rejection to lake fayette (mw).

2640 MW

Explanation:

The Heat rejection rate is the rate at which the heat energy get lost from a system to the environment

It is obtained by finding the difference in heat supplied and the work obtained from the system

Given

Efficiency = 40% = 0.4

Power produced/output= 1760MW

The expression for heat supplied rate is ;

Qs=P/η

where P is power output and η is the efficiency

Qs=1760/0.4 =4400MW

The expression for rate of heat rejection is given by;

Qr=Qs-P

where Qr is rate of heat rejection, Qs=4400 MW and P=1760MW

Qr= Qs-P

Qr=4400-1760 = 2640MW

electromagnetic shielding is the practice of reducing the electromagnetic field in a space by blocking the field with barriers made of conductive or magnetic materials. shielding is typically applied to enclosures to isolate electrical devices from their surroundings, and to cables to isolate wires from the environment through which the cable runs. electromagnetic shielding that blocks radio frequency electromagnetic radiation is also known as rf shielding.

the shielding can reduce the coupling of radio waves, electromagnetic fields and electrostatic fields. a conductive enclosure used to block electrostatic fields is also known as a faraday cage. the amount of reduction depends very much upon the material used, its thickness, the size of the shielded volume and the frequency of the fields of interest and the size, shape and orientation of apertures in a shield to an incident electromagnetic

from wikipedia