Page 45: of Maritime Reporter Magazine (November 1984)

sients. Modeling is founded on basic thermodynamic and fluid flow prin- ciples, aided by empirical relation- ships as necessary. Equations for several engine variations are pre- sented, and evaluation of their con- stants from engine performance data is outlined.

Paper No. 2—"Two State-of-the-

Art Specialty Products Ships: De- sign, Construction, and Operation," by Robert X. Caldwell, Mau- rice Gordon, and Dwight H.

Koops.

SYNOPSIS—In 1979, Exxon Ship- ping Company decided to replace four aging specialty product tankers with modern equipment. Diesel power was selected because of inher- ent economies and simplicity of op- eration. This paper traces the devel- opment of the ships' design, with particular emphasis on the cargo and related systems. It also explores the contractual relationship be- tween the owner and the shipyard.

Paper No. 3—"Semisubmersible

Wind Loads and Wind Effects," by

J. Michael Macha and Dale F.

Reid.

SYNOPSIS—This paper presents the results of a comprehensive in- vestigation of wind effects on a con- temporary semisubmersible drilling vessel design. Wind loads were measured on a wind tunnel model as a function of draft, heading, inclina- tion, and deck arrangement. Scale and lift effects, and effects related to the representation of the sea sur- face were critically analyzed. The measured wind loads were com- pared with loads obtained using two classification society procedures.

Paper No. 4—"The High-Speed

Displacement Ship Systematic Se- ries Hull Forms: Seakeeping Char- acteristics," by Wim Beukelman and Jan J. Blok.

SYNOPSIS—A systematic series of high-speed hull forms has been model tested at the Maritime Re- search Institute in the Netherlands.

The series has been designed to pos- sess both good calm water resistance properties and to have favorable seakeeping characteristics. This pa- (continued on page 50)

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