Units of Heat Insulation - Maple Help

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Units of Heat Insulation

Description

• 

Heat insulation has the dimension time cubed thermodynamic temperature per mass. The SI composite unit of heat insulation is the second cubed kelvin per kilogram.

• 

Maple knows the units of heat insulation listed in the following table.

Name

Symbols

Context

Alternate Spellings

Prefixes

 

 

 

 

 

clo

 

standard *

clos

 

Rvalue

 

standard *

Rvalues

 

 

RSI @

SI

 

 

tog

 

standard *

togs

 

  

An asterisk ( * ) indicates the default context, an at sign (@) indicates an abbreviation, and under the prefixes column, SI indicates that the unit takes all SI prefixes, IEC indicates that the unit takes IEC prefixes, and SI+ and SI- indicate that the unit takes only positive and negative SI prefixes, respectively.  Refer to a unit in the Units package by indexing the name or symbol with the context, for example, tog[standard]; or, if the context is indicated as the default, by using only the unit name or symbol, for example, tog.

  

 

  

The units of heat insulation are defined as follows.

  

A clo is defined as 0.18 degree Celsius meter squared hour per 15 degree Celsius kilocalorie.

  

A standard R value is defined as 1 square foot degree Fahrenheit hour per international table Btu.

  

An SI R value (RSI) is defined as 1 square meter kelvin per watt.

  

A tog is defined as 0.1 square meter kelvin per watt.

Examples

convert'tog','dimensions','base'=true

time3thermodynamic_temperaturemass

(1)

convert1,'units','tog','s'3'K''kg'

110

(2)

convert1,'units','clo','s'3'K''kg'

0.1548091165

(3)

convert1,'units','clo','tog'

1.548091165

(4)

See Also

convert/dimensions, convert/units, heat_transfer_coefficient, Units, Units/heat_transfer, Units/Index, Units/mass, Units/temperature, Units/time


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