Crest of the Royal National Institution of Naval Architects - Click to return to the homepage

The Royal Institute of Naval Architects

Alfa-Laval July

Man Energy Hybrid

Air Products June 2019

IJME 538

Paper Title: Development of a Mathematical Model for Performance Prediction of Planing Catamaran in Calm Water 

 

Authors

A Ghassemzadeh, Sharif University of Technology, Iran

A Dashtimanesh and M Habibiasl, Persian Gulf University, Iran

P Sahoo, Florida Institute of Technology, USA

Summary  

In this paper, an attempt has been made to predict the performance of a planing catamaran using a mathematical model. Catamarans subjected to a common hydrodynamic lift, have an extra lift between the two asymmetric half bodies. In order to develop a mathematical model for performance prediction of planing catamarans, existing formulas for hydrodynamic lift calculation must be modified. Existing empirical and semi-empirical equations in the literature have been implemented and compared against available experimental data. Evaluation of lift in comparison with experimental data has been documented. Parameters influencing the interaction between demi-hulls and separation effects have been analyzed. The mathematical model for planning catamarans has been developed based on Savitsky’s method and results have been compared against experimental data. Finally, the effects of variation in hull geometry such as deadrise angle and distance between two half bodies on equilibrium trim angle, resistance and wetted surface have been examined.

 

Reference

Transactions RINA, Vol 161, Part A2, International Journal Maritime Engineering, Apr - Jun 2019 

DOI Number

DOI No: 10.3940/rina.ijme.2019.a2.538

Search and Order IJME papers

All International Journal of Maritime Engineering (IJME) papers are listed in the RINA Publications Database. You can search the database by author name and paper title. Publications may be ordered and paid for online. Other publications are also listed, some of which may be downloaded free of charge. Follow the link to Search Publications & Order.

SIG SHIPS PROMO

IQPC May

Seatrade informa June

ICCAS II

Wave Energy Scotland

Marintec 2019

Wind propulsion b

AHOY Europort 2019