Class notes Energy resources and prime movers

UNIT -1 MECHANICAL
ENERGY RESOURCES AND PRUNE MOVERS




Shreya Prasad

, TYPES of ENERGY RESOURCES

Based
1.
creativity
on :




a. Primary :



human made
Resources found in nature prior to
undergoing changes
-




,
.




Eg Sunlight waves wind
-

:
. .

,



b. Intermediate
c. Secondary :




Energy supplied to customers
-




-


Eg :
Thermal , Electrical


2. Based on traditional use :




a. Conventional :



-
Obtained from fixed reserves in nature .




-

Also non -
renewable .




-




Eg : fossil fuel ,
coal
b. Non -
conventional :



Inexhaustible resources Renewable resources
of energy
-


.




Winds sunlight
Eg
:
-



.




Baled
long time availability
•
on
.

.




a- Renewable :


-


Resources that are replenished after use .




Solas wind
Eg :
geothermal biomass , hydro
-




, , ,


b- Non renewable
-

:


-

Resources that cannot G. revived or replenished aflet use .




-


Ef Petroleum
:
,
nuclear
energy .




4. Based on commercial application .




a. commercial
b- Non -
commercial