This glossary is about thermal resistance, in this I will use words from a book on this topic, this is for a class assignment.
Conduction shape factor
conjunction
The heat transfer from one surface (at a temperature T1) to the other surface (at T2) can be expressed as: q=Sk(T1-T2) where k is the thermal conductivity of the solid and S is the conduction shape factor.
Example: Here are the factors that affect the rate of conduction
en: Factor de forma de conducción
Convection resistance
adjective
Convective Thermal Resistor. Convective Thermal Resistor. where Rconv (SI unit: K/W) is the thermal resistance, which is defined from the surface Area A and the Heat transfer coefficient h as. Model Input. This section has fields and values that are inputs to expressions that define material properties.
Example: Convective Resistance The resistance to heat transfer via convection may be calculated by the following equation.
en: Resistencia a la convección
Critical radius of insulation
conjunction
resistance of insulation, but decreases the convection resistance of the surface because of the increase in the. outer surface area. Due to these opposite effects, a critical radius of insulation is defined as the outer radius. that provides maximum rate of heat transfer.
Example: The critical radius of insulation is a counterintuitive concept within the study of heat transfer.
en: Radio crítico de aislamiento
Cylinder conduction resistance
adjective
is the thermal resistance of the cylindrical layer against heat conduction, or simply the conduction resistance of the cylinder layer.
Example: Total resistance for a cylinder case
en: Resistencia de conducción del cilindro
Efficiency
verb
Efficiency is the fundamental reduction in the amount of wasted resources that are used to produce a given number of goods or services. Economic efficiency results from the optimization of resource-use to best serve an economy.
Example: Any problems arise within the firm will affect its EFFICIENCY and in turn reduce the profit. In order to raise EFFICIENCY and avoid the problems of limited information, a rich variety of institutions, contractual relationships and compensation schemes have been devised in business organizations.
en: Eficiencia
Fin effectiveness
noun
The fin temperature effectiveness or fin efficiency is defined as the ratio of the actual heat transfer rate through the fin base divided by the maximum possible heat transfer rate through the fin base, which can be obtained if the entire fin is at base temperature (i.e., its material thermal conductivity is infinite).
Example: Fin effectiveness is the ratio of heat transfer from the fin to the heat transfer if the fin wasn't existing.
en: Eficacia de la aleta
Fin efficiency
noun
Fin efficiency is defined as the ratio of actual heat flow of the fin to that which would be obtained with a fin of constant temperature uniformly equal to the base surface temperature, that is, one with infinite thermal conductivity.
Example: Fin efficiency is defined as the ratio of actual heat flow of the fin to that which would be obtained with a fin of constant temperature uniformly equal to
en: Eficiencia de las aletas
Interface resistance
adjective
Interfacial thermal resistance, also known as thermal boundary resistance, or Kapitza resistance, is a measure of an interface's resistance to thermal flow. .
Example: The grade work presents the results obtained for the soil-concrete interface resistance parameters.
en: Resistencia de interfaz
Plane wall conduction resistance
phrase
Temperature Distribution Through a Plane Wall. For one-dimensional conduction in a plane wall, temperature is a function of the x coordinate only and heat is transferred exlucively in this direction.
Example: conduction resistors in series flat wall
en: Resistencia a la conducción de la pared plana
Radiation resistance
adjective
Radiation resistance is that part of an antenna's feedpoint electrical resistance that is caused by the radiation of electromagnetic waves from the antenna. In radio transmission, a radio transmitter is connected to an antenna.
Example: Radiation resistance has been shown to increase within CSC subpopulations in SCC cell lines and primary tumors.
en: Resistencia a la radiación
Sphere conduction resistance
adjective
is the thermal resistance of the spherical layer against heat conduction, or
simply the conduction resistance of the spherical layer.
Example: heat conduction for heat transfer through the cylindrical
en: Resistencia a la conducción de la esfera
Surfaces
verb
the outside part or uppermost layer of something (often used when describing its texture, form, or extent).
Example: Sources: ) Rally Racing The first World Rally Championship (WRC) was held in 1973 and highly modified cars were competed on normal roads as well as under poor conditions which included dirt, swamps (water resistance) and snowy SURFACES
en: Superficies
Thermal contact conductance
conjunction
In physics, thermal contact conductance is the study of heat conduction between solid bodies in thermal contact. The thermal contact conductance coefficient, is a property indicating the thermal conductivity, or ability to conduct heat, between two bodies in contact. The inverse of this property is termed thermal contact resistance.
Example: is a property indicating the thermal conductivity, or ability to conduct heat, between two bodies in contact.
en: Conductancia de contacto térmico
Thermal contact resistance
conjunction
Thermal contact resistance is defined as the ratio between this temperature drop and the average heat flow across the interface. According to Fourier's law, the heat flow between the bodies is found by the relation: where is the heat flow, is the thermal conductivity, is the cross sectional area and.
Example: THERMAL CONTACT RESISTANCE When a junction is formed by pressing two similar or dissimilar metallic materials together, only a small fraction of the nominal
en: Resistencia al contacto térmico
Total thermal resistance
adjective
Thermal resistance is a heat property and a measurement of a temperature difference by which an object or material resists a heat flow.
Example: However the TOTAL RESISTANCE between 8C - 94C only increased by 1.34 ohms.
