Alternative Energy Day 4 Paxton Patterson
Central Systems produce temperatures up to _________degrees Fahrenheit .
2,000
STC collectors focus the sunlight on a single focal point that can reach temperatures up to
2,000 degrees Farenheit
The surface temperature of the worlds tropical oceans is around _________ degrees Fahrenheit.
84
Who first proposed the idea of solar energy from the ocean ?
D´Arsonval
An OTEC project is underway to supply the people in southern _________ with electric power
India
_________are the greatest solar collectors in the world
Oceans
Heat Energy collected by _________systems sent to a power plant, where its typically used to power steam turbines
STC
In a ________ receiver system, each collector has its own receiver or focus mechanism
central
Unlike the _________ receiver system ,which has many receivers ,the _________ receiver system only has one central receiver.
central; distributed
_________ STC systems produce temperatures from 200 to 800 degrees fahrenheit
distributed
Higher temperatures in STC systems allow steam turbines to operate more efficiently and generate more ________.
electricity
Heliostats are usually a set of relatively flat mirrors
false
OTEC plants are relatively cheap to build.
false
Parabolic dishes are large reflectors that like look long, curved mirrors .
false
The central receiver system requires minimal sunlight to function
false
In a Sterling egine,the piston is the armature of an _________
inline electric generator
Which of the following is NOT a type of collector used in STC systems.
parbolic reflectors
Heliostats act in unison to focus the sun's rays on a particular point or ________.
receiver
Most forms of alternative energy are acutually forms of _________energy
solar
____________thermal conversion ,or STC ,systems essentially focuses the energy of the sun
solar
The Dish-Sterling system has a collection of circular mirrors that focus the sun´s energy on a single receiver , called a _________.
sterling engine
Solar thermal conversion converts energy from the _________ into electricity
sun
The STC systems are categorized according to how _________.
the energy from the sun is collected and combined
Central Receiver Systems use heliostat collectors.
true
Central receiver systems produce temperatures than the distributed systems.
true
Currently, OTEC plants have a fairly low efficiency rate.
true
STC stands for solar-thermal conversion
true
The Dish-Streling system is extremely durable and is over 30 percent efficient.
true