Land transport variables and sets

Land transport variables and sets
Sλ	Allowable set of pipeline linear densities for standard pipelines
SD	Allowable set of pipeline diameters for standard pipelines
SA	Allowable set of pipeline areas for standard pipelines
$L_{{\lambda }_{Ex,Po}}$	Linear density of single pipeline from an exporter to a port in kg/m, $\in S_{\lambda }$
$L_{D_{Ex,Po}}$	Diameter of single pipeline from an exporter to a port in m, $\in S_D$
$L_{A_{Ex,Po}}$	Area of single pipeline from an exporter to a port in m2, $\in S_A$
$L_{n_{Ex,Po}}$	Number of pipelines from an exporter to a port
$L_{p_{Ex,Po}}$	Number of pumps on a single pipeline
$v_{Ex,Po}$	Average velocity of ammonia in pipeline from an exporter to a port in m/s
${\dot{W}}_{Ex,Po}$	Average power of pump for a single pipeline from an exporter to a port in MW
$f_{Ex,Po}$	Friction factor in pipeline from an exporter to a port