begin{table}[H]

    begin{center}
        caption{Input parameters associated with the hydraulic model} label{parametersfinal}
        begin{tabular}{ll|ll}
            textbf{Parameter} & textbf{Value} & textbf{Parameter} & textbf{Value}\
            hline
            $T_{ref}$ [K] & 273,16 & $kappa_s$ [-] & $0,5 cdot 10^{-3}$\
            $E_{f,ref}$ [N/mtextsuperscript{2}] & $50 cdot 10^6$ & $r$ [-] & 0,04 \
            $E_{f,inc}$ [N/mtextsuperscript{2}/K] & $10 cdot 10^6$ & $beta$ [(N/mtextsuperscript{2})textsuperscript{-1}] & $0,08 cdot 10^{-6}$ \
            $nu_f$ [-] & 0,45 & $alpha$ [-] & 9 \
            $G_0$ [N/mtextsuperscript{2}] & $700 cdot 10^6$ &  $p_{0,ref}$ [N/mtextsuperscript{2}] & -395 $cdot 10^6$ \
            $kappa_0$ [-] & 0,01 & $m$ [-] & 1 \
            $p^{*}_c$ [N/mtextsuperscript{2}] & $-40 cdot 10^3$ & $(p^{*}_{y0})_{in}$ [N/mtextsuperscript{2}] & -500 $cdot 10^3$ \
            $lambda_0$ [-] & 0,05 & $Y_{ref}$ [m] & 0\
            $gamma$ [-] & 1 & $Delta p^{*}_{y0}$ [N/mtextsuperscript{2}] & 0 \
            $k_t$ [-] & 0,09 & $(S_{c,seg})_{in}$ [N/mtextsuperscript{2}] & $20 cdot 10^6$  \
            $M$ [-] & 1,11 & $K_w$ [N/mtextsuperscript{2] & $10^9$ \
            hline
        end{tabular}
    end{center}
 end{table}

documentclass{article}
usepackage{amsmath,siunitx,caption}
sisetup{output-decimal-marker = {,},
         per-mode              = symbol,
         exponent-product      = cdot,
         retain-unity-mantissa = false }
usepackage{array} % for 'newcolumntype' macro
newcolumntype{L}{>{$}l<{$}}  % left-alignment, automatic math mode
begin{document}
begin{table}
centering
caption{Input parameters associated with the hydraulic model} label{parametersfinal}
begin{tabular}{@{} Lll | Lll @{}}
$Symbol$ & Units & Value &
$Symbol$ & Units & Value \
hline
T_{textrm{ref}} & si{kelvin}$^{strut}$ & num{273,16} &
   kappa_s & - & num{0,5e-3}\
E_{f,textrm{ref}} & si{newtonpermetersquared} & num{50e6} &
   r & - & num{0,04} \
E_{f,textrm{inc}} & si{newtonpermetersquaredperkelvin} & num{10e6} &
   beta & si{(newtonpermetersquared)raiseto{-1}} & num{0,08e-6} \
nu_f & - & 0,45 &
   alpha & - & 9 \
G_0 & si{newtonpermetersquared} & num{700e6} &
   p_{0,textrm{ref}} & si{newtonpermetersquared} & num{-395e6} \
kappa_0 & - & 0,01 &
   m & - & 1 \
p^{*}_c & si{newtonpermetersquared} & num{-40e3} &
   (p^{*}_{y0})_{mathrm{in}} & si{newtonpermetersquared} & num{-500e3} \
lambda_0 & - & 0,05 &
   Y_{textrm{ref}} & si{meter} & 0\
gamma & - & 1 &
   Delta p^{*}_{y0} & si{newtonpermetersquared} & 0 \
k_t & - & 0,09 &
   (S_{c,textrm{seg}})_{textrm{in}} & si{newtonpermetersquared} & num{20e6} \
M & - & num{1,11} &
   K_w & si{newtonpermetersquared} & num{1e9} \
hline
end{tabular}
end{table}
end{document}

documentclass{article}
usepackage[utf8]{inputenc}
usepackage{amsmath}
usepackage{siunitx, caption}
DeclareSIUnit{Nsqm}{Npersquarem}

begin{document}

begin{table}[h]
    centeringsetlength{extrarowheight}{3pt}
    sisetup{per-mode =symbol, exponent-product=cdot, copy-decimal-marker}
        caption{Input parameters associated with the hydraulic model} label{parametersfinal}
        begin{tabular}{lll|lll}
            multicolumn{2}{l}{bfseries Parameter} & textbf{Value} & multicolumn{2}{l}{bfseries Parameter} & textbf{Value}\
            hline
            $T_text{ref}$ & [K] & num{273,16}& $kappa_s$ & -- & num{0,5e-3}\
            $E_{f,text{ref}}$ & [si{Nsqm}] & num{50 e6} & $r$ & -- & num{0,04} \
            $E_{f,text{inc}}$ & [si{{Nsqm}perK}] & num{10 e6} & $beta$ & [si{(Nsqm)^{-1}}]& num{0,08e-6}\
            $nu_f$ & -- & num{0,45} & $alpha$ & -- & 9 \
            $G_0$ & [si{Nsqm}] & num{700 e6} & $p_{0, text{ref}}$ & [si{Nsqm}] & num{-395e6} \
            $kappa_0$ & -- & 0,01 & si{m} &– & 1 \
            $p^{*}_c$ & [N/mtextsuperscript{2}] & num{-40 e3} & $(p^{*}_{y0})_{text{in}}$ & [si{Nsqm}] & num{-500 e3} \
            $lambda_0$ & -- & num{0,05} & $Y_text{ref}$ & [m] & 0\
            $gamma$ & -- & 1 & $Delta p^{*}_{y0}$ & si{Nsqm}] & 0 \
            $k_t$ & -- & num{0,09} & $(S_{c,text{seg}})_text{in}$ & [si{Nsqm}] & num{20 e6} \
            $M$ & -- & num{1,11} & $K_w$ & [si{Nsqm}] & num{e9} \
            hline
        end{tabular}
 end{table}

end{document}

documentclass{article}
usepackage{amsmath}
usepackage{caption}
usepackage{siunitx}
sisetup{input-symbols = {( - )},
         output-decimal-marker = {,},
         exponent-product      = cdot,
         table-unit-alignment  = left
         }
newcommandmcc[1]{multicolumn{1}{c}{#1}}
usepackage{array} % for 'newcolumntype' macro
newcolumntype{L}{>{$}l<{$}}  % left-alignment, automatic math mode

begin{document}
    begin{table}[htb]
centering
caption{Input parameters associated with the hydraulic model}
label{parametersfinal}
    renewcommandarraystretch{1.1}
    begin{tabular}{@{} LsS | LsS @{}}
$Symbol$            &   mcc{Units}                         & {Value }
    & $Symbol$          &   mcc{Units}                             & {Value}       \
hline
T_{textrm{ref}}    & kelvin                               & 273,16
    & kappa_s          & {-}                                       & 0,5e-3        \
E_{f,textrm{ref}}  & newtonpermetersquared             & 50e6
    & r                 & {-}                                       & 0,04          \
E_{f,textrm{inc}}  & newtonpermetersquaredperkelvin  & 10e6
    & beta             & (newtonpermetersquared)raiseto{-1}   &   80e-9       \
E_{f,textrm{inc}}  & newtonpermetersquaredperkelvin  & 10e6
    & beta             & (newtonpermetersquared)raiseto{-1}   &   80e-9       \
nu_f               & -                                     & 0,45
    &    alpha         & -                                         & 9             \
G_0 &  newtonpermetersquared                            &  700e6
    & p_{0,textrm{ref}}& newtonpermetersquared                 &  -395e6       \
kappa_0 & - & 0,01 &
   m & - & 1 \
p^{*}_c             & newtonpermetersquared             & -40e3
    & p^{*}_{y0})_{mathrm{in}}
                        & newtonpermetersquared                 & -500e3        \
lambda_0           & -                                     & 0,05
    & Y_{textrm{ref}}  & meter                                    & 0             \
gamma              & -                                     & 1
    & Delta p^{*}_{y0} & newtonpermetersquared                 & 0             \
k_t                 & -                                     & 0,09
    & (S_{c,textrm{seg}})_{textrm{in}}
                        &  newtonpermetersquared                & 20e6          \
M                   & -             &  1,11
    & K_w               &  newtonpermetersquared                & 1e9           \
hline
end{tabular}
    end{table}
end{document}