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Thermal efficiency

In thermodynamics, the thermal efficiency ( η t h {\displaystyle \eta _{\rm {th}}} ) is a dimensionless performance measure of a device that uses thermal energy, such as an internal combustion engine, steam turbine, steam engine, boiler, furnace, refrigerator, ACs etc.

Heat engines, Energy conversion & Overview

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Overview

Heat engines

Energy conversion

Heat pumps and refrigerators

Energy efficiency

Advanced semantic analysis

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Map overview Semantic statistics

Thermal efficiency

Nodes78
Edges77
Triples38
Avg. degree1.97
Density0.025641
Components1

How this topic connects Entity context

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Thermal efficiency

Top relations

related to Carnot efficiency · 8
Thermal efficiency → Carnot, Even, From Carnot's, Kelvin, No, Rankine, The, This
related to Heat engines · 7
Thermal efficiency → Heat, Qin, Qout, The, Thermal, They, Wnet
related to Energy efficiency · 6
Thermal efficiency → AFUE, For, In, SEER, The, United States
related to Other inefficiencies · 4
Thermal efficiency → Examples, One, Real, The
related to overview · 4
Thermal efficiency → Because, For, In, The
related to Heat exchangers · 3
Thermal efficiency → However, The, Thermal
is a · 1
Thermal efficiency → ratio of the net work output to the heat input
related to Energy conversion · 1
Thermal efficiency → For

Important terminology Word statistics

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Important terminology

heat efficiency energy engine engines combustion thermal cycle fuel work displaystyle input heating rm ratio value used carnot device output

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Thermal efficiencyis aratio of the net work output to the heat input0.90text
frictioninstance ofbecause there are inefficiencies0.80text
heat loss that convert the energy into alternative formsinstance ofbecause there are inefficiencies0.80text
gasolineinstance ofautomobiles The Otto cycle is the name for the cycle used in spark-ignition internal combustion engines0.80text
hydrogen fuelled automobile enginesinstance ofautomobiles The Otto cycle is the name for the cycle used in spark-ignition internal combustion engines0.80text
Thermal efficiencyrelated to Carnot efficiencyThe0.60section
Thermal efficiencyrelated to Carnot efficiencyEven0.60section
Thermal efficiencyrelated to Carnot efficiencyKelvin0.60section
Thermal efficiencyrelated to Carnot efficiencyRankine0.60section
Thermal efficiencyrelated to Carnot efficiencyFrom Carnot's0.60section
Thermal efficiencyrelated to Carnot efficiencyThis0.60section
Thermal efficiencyrelated to Carnot efficiencyCarnot0.60section

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    Min side: 3
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