Geothermal Energy systems Flashcards

1
Q

It comes from the process of decay of ______________ element within the earth’s crust

A

geothermal energy, radioactive

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2
Q

_______________ is not truly a renewable resource

A

geothermal energy

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3
Q

One method used to extract thermal energy from the earth is called ____________

A

hydrothermal

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4
Q

___________________ ________ manifests in the form of hot springs, geysers, or through dry stream

A

Hydrothermal energy

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5
Q

Earth-coupled heat pump

A

geothermal heat pump

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6
Q

An electrically powered heat pump system that consists of pipes buried in the shallow ground newar the building, a heat pump, and ductwork in the building

A

geothermal heat pump systems

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7
Q

A fluid filled plastic pipes buried in the ground, or submerged in a body of water near the building

A

Ground loop

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8
Q

A device the remoces heat from the fluid in the pipes

A

Heat Pump

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9
Q

A type of heating/cooling device the draws heat into a building from outside of the building during the ________ season.

A

heat pump, heating

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10
Q

Conventional ductwork attached to the heat pump and used to distribute heated or cooled air throughout the building

A

Air delivery system

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11
Q

Geothermal heat pumps systems are calssified by the type of __________ that they use

A

ground loop

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12
Q

________________ geothermal heat pump systems circulate a solution of the water and antifreeze through a series of loops piping

A

Closed-loop

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13
Q

The _____ serves as a heat exchange medium between the ___ and the _______–

A

loops, fluid, earth

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14
Q

________________________ closed-loop system uses a number of horizontal _________

A

horizontal ground, trenches

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15
Q

_________________ designs range from a single pipe, to multiple pipes arranged vertically in a narrow trench, to multiple pipes in a wider trench

A

Piping system

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16
Q

___________________ closed loop system is used where there is little yard space, when surface rocks make digging impractical, or when you want to disrupt the lanscape as little as possible

A

Vertical ground

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17
Q

_________________- are generally more expensive to install, but require less piping than horizontal loops

A

vertical loops

18
Q

________________ closed loop system may be the most economical when a builidng is near a body of water

19
Q

It results in no adverse impacts on the aquatic system

A

pond closed loop system

20
Q

It circulates water drawn from a ground

A

Open-loop system

21
Q

operate on the same principle as closed loop system

A

Open-loop system

22
Q

also call turbulent wells or energy well

A

Standing column well system

23
Q

standing column well system typically ______ in diameter and as deep as ______

A

6 inches, 450 m

24
Q

it the well water termpature climbs too high or drops too low, water can be _____ from the system to allow ground water to restore the well water temperature to the normal opertaing range

25
The specific geological, hydrological, and physical characteristecs of the site will help determined th ebest type of _____________- for a specific site
GPH site Evaluation, ground loop
26
The factor of composition of soil and rock require consideration when designing ground loop
Geology
27
A ____ with good heat transfer requires less piping to gatehr a certain amount of heat than soil with poor heat transfer properties
Soil
28
____________- suppliers in areas with extensive hard rock or soil too shallow to trench may install vertical ground loops
GHP System
29
Factors such as depth, volume, and water quality bodies of water can be used as a source of water for an open loop system
Hydrology
30
______________- can alsoe be used as a soruce for open-loop systemss, provided the water quality is suitable and all groundwater discharge regulations are met
groundwater
31
The amount of layout of the land, landscaping and the location of underground utilities also contributes to system design
Land availability
32
often used for existing building to maximize the disturbance to the landscape
vertical installation
33
___________- ground loops typically used for newly constructed buildings with sufficient land
horizontal
34
The land typical area required for a ____________ is usually not a crucial design factor
groundwater system
35
________________ can vary significantly but are usually around to 10m2/kw
vertical systems
36
________________ requires the most land area
horizontal system
37
the amount of ___ requires varies with the layout
land
38
it is a manufacturer publish the ratings of their heat pump on the basis of a specific set of standard condition
ISO-133256-1
39
The rating for a closed loop system
GLHP
40
The rating for an open-loop or ground water system
GWHP
41