Documentation

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z ALL
SymbolNameUnit
Q $q_1$Ratio of losses affecting screen bedding/serving
$q_2$Ratio of losses affecting armour bedding
$q_3$Ratio of losses affecting jacket
$q_4$Ratio of losses affecting environment
$Q_A$Element A of two-part thermal circuitJ/m.K
$Q_{ab}$Thermal capacitance of armour beddingJ/m.K
$Q_{ar}$Thermal capacitance of armourJ/m.K
$q_{ar}$Ratio of losses armour
$Q_B$Element B of two-part thermal circuitJ/m.K
$Q_{B,ab}$Element B of two-part thermal circuit of armour beddingJ/m.K
$Q_{B,d}$Element B of two-part thermal circuit, ductJ/m.K
$Q_{B,f}$Element B of two-part thermal circuit, fillerJ/m.K
$Q_{B,i}$Element B of two-part thermal circuit, insulationJ/m.K
$Q_{B,j}$Element B of two-part thermal circuit, jacketJ/m.K
$Q_{B,s}$Element B of two-part thermal circuit, screen/sheathJ/m.K
$Q_c$Thermal capacitance of conductorJ/m.K
$q_{cb}$Major ratio of section lengths
$Q_{ct}$Thermal capacitance of conductor (IEC 60853)J/m.K
$Q_d$Thermal capacitance of duct wallJ/m.K
$Q_{d,fill}$Thermal capacitance of duct fillingJ/m.K
$Q_f$Thermal capacitance of fillerJ/m.K
$q_f$Ratio of losses affecting the filler
$Q_i$Thermal capacitance of insulationJ/m.K
$Q_{it}$Thermal capacitance of insulation (IEC 60853)J/m.K
$Q_{it1}$Thermal capacitance of insulation, 1st portion (IEC 60853)J/m.K
$Q_{it2}$Thermal capacitance of insulation, 2nd portion (IEC 60853)J/m.K
$Q_j$Thermal capacitance of jacketJ/m.K
$Q_s$Thermal capacitance of screen+sheathJ/m.K
$q_s$Ratio of losses screen/sheath
$Q_{sc}$Thermal capacitance of screenJ/m.K
$Q_{scb}$Thermal capacitance of screen beddingJ/m.K
$Q_{scs}$Thermal capacitance of screen servingJ/m.K
$Q_{sh}$Thermal capacitance of sheathJ/m.K
$Q_{shj}$Thermal capacitance of sheath jacketJ/m.K
$Q_{sp}$Thermal capacitance of steel pipeJ/m.K
$Q_{tot}$Total thermal capacitance, transientJ/m.K
$Q_X$Substitution coefficient Q to calculate loss factor by circulating currents
$q_x$Factor for characteristic diameter