# Documentation

 Symbol Name Unit M $M$ Cyclic rating factor p.u. $m_0$ Substitution coefficient $m_0$ for eddy-currents Hz.m/$\Omega$ $M_0$ Coefficient M for partial transient temperature rise s $M_1$ Corrected cyclic rating factor K $M_{ab}$ Material of armour bedding $m_{ab}$ Mass of armour bedding kg/km $M_{ar}$ Material of armour $m_{ar}$ Mass of armour kg/km $M_c$ Material of conductor $m_c$ Mass of conductor kg/km $M_{cable}$ List of materials in a cable $M_{comp}$ Material of insulating gas $M_d$ Material of duct pipe $M_e$ Substitution coefficient $M_e$ to calculate factor $F_e$ $m_{EMF}$ Number of time steps $M_{encl}$ Material of enclosure $M_f$ Material of filler $m_f$ Mass of filler kg/km $M_{fluid}$ Fluid material $M_{gas}$ Gas and gas-mixtures $m_{hollow}$ Mass of hollow cable kg/km $M_i$ Material of insulation $m_i$ Mass of insulation kg/km $M_{IEEE}$ Materials acc. IEEE 442 $M_{ins}$ Material of insulation around pipe $M_j$ Material of jacket $m_j$ Mass of jacket kg/km $M_k$ Thermal contact factor s$^{1/2}$ $m_{metal}$ Mass of the metallic parts kg/km $M_{mol}$ Molar mass g/mol $m_{mol}$ Molecular mass mol $m_{Nu,L}$ Factor m $m_{Nu,w}$ Factor m $M_{pipe}$ Material of fluid-filled pipe $M_{prot}$ Material of protective cover $M_{riser}$ Material of riser $M_s$ Factor $M_s$ $M_{sc}$ Material of screen $m_{sc}$ Mass of metallic screen kg/km $M_{seabed}$ Material of seabed $M_{sh}$ Material of sheath $m_{sh}$ Mass of metallic sheath kg/km $M_{shj}$ Material of sheath jacket $m_{shj}$ Mass of jacket over each core kg/km $M_{skid}$ Material of skid wires $m_{skid}$ Mass of skid wires kg/km $M_{soil}$ Type of soils $M_{sp}$ Material of containment for pipe-type cables $m_{sp}$ Mass of steel pipe kg/km $M_{spf}$ Steel pipe filling medium $m_{tape}$ Mass of tapes kg/km $m_{tot}$ Mass of cable kg/km $\mu$ Loss factor p.u. $\mu_0$ Vacuum permeability H/m $\mu_{dyn}$ Dynamic friction coefficient $\mu_e$ Longitudinal relative permeability $\mu_s$ Relative permeability $\mu_t$ Traverse relative permeability of steel wires $\mu_w$ Loss factor for weekly load variation p.u. $\mu_y$ Loss factor for yearly load variation p.u.