Excel VBA-based user defined functions for highly precise colebrook's pipe flow friction approximations: a comparative overview

D Brkić, Z Stajić - Facta Universitatis, Series: Mechanical …, 2021 - casopisi.junis.ni.ac.rs
This review paper gives Excel functions for highly precise Colebrook's pipe flow friction
approximations developed by users. All shown codes are implemented as User Defined …

Modelling and simulation hydrodynamics processes in liquefied natural gas transportation systems

M Bogdevicius, V Semaskaite, T Paulauskiene… - Journal of Marine …, 2022 - mdpi.com
Global natural gas resources are growing and are increasingly geographically diverse. A
Floating Storage and Regasification Unit (FSRU) is one of the most commonly used vessel …

[HTML][HTML] Uncertainty of pipe flow friction factor equations

LE Muzzo, GK Matoba, LF Ribeiro - Mechanics Research Communications, 2021 - Elsevier
This paper presents the turbulent pipe flow analysis of the friction factor's uncertainty for two
different experimental scenarios: high-precision and standard engineering instruments. One …

Estimation of global natural gas spot prices using big data and symbolic regression

L Stajić, R Praksová, D Brkić, P Praks - Resources Policy, 2024 - Elsevier
This article provides an estimation of future natural gas spot prices on the global
international market based on symbolic regression where the sensitivity analysis is …

Accurate explicit analytical solution for Colebrook-White equation

Z Hafsi - Mechanics Research Communications, 2021 - Elsevier
This paper presents a direct closed form analytical solution for the implicit type equation of
Colebrook-White for friction factor calculation. Based on the developed expression, the …

Hydraulic losses in systems of conduits with flow from laminar to fully turbulent: A new symbolic regression formulation

M Milošević, D Brkić, P Praks, D Litričin, Z Stajić - Axioms, 2022 - mdpi.com
Separate flow friction formulations for laminar and turbulent regimes of flow through pipes
are in common use in engineering practice. However, variation of different parameters in a …

Computationally efficient and accurate solution for Colebrook equation based on Lagrange theorem

AA Lamri, SM Easa - Journal of Fluids Engineering, 2022 - asmedigitalcollection.asme.org
Computationally efficient solutions (less computation time) for the Colebrook equation are
essential for simulating pipeline networks. However, the friction law resistance formula has …

[HTML][HTML] Hydraulic solutions of pipeline systems using artificial neural networks

AM Tawfik - Ain Shams Engineering Journal, 2023 - Elsevier
Solving pipeline systems is very important for the design engineer. The traditional method
for solving these systems is complicated and time consuming. A network is trained and …

Symbolic regression approaches for the direct calculation of pipe diameter

D Brkić, P Praks, R Praksová, T Kozubek - Axioms, 2023 - mdpi.com
This study provides novel and accurate symbolic regression-based solutions for the
calculation of pipe diameter when flow rate and pressure drop (head loss) are known …

Approximate flow friction factor: Estimation of the accuracy using Sobol's quasi-random sampling

P Praks, D Brkić - Axioms, 2022 - mdpi.com
The unknown friction factor from the implicit Colebrook equation cannot be expressed
explicitly in an analytical way, and therefore to simplify the calculation, many explicit …