Basic Ship TheoryK J Rawson E C volume 1 ppt

... require the injection of experience of success- ful practice. Science produces the correct basis for comparison of ships but the exact value of the criteria which determine their performances must, ... other branches of engineering, continue to be dictated by previous successful practice, i .e. like most engineering, this is largely a comparative science. Where the scienti c tool is less pre...

Ngày tải lên: 27/06/2014, 17:20

... for conveni- ence, certain conversion factors, preferred values and symbols and nomencla- ture are repeated here. Special names have been adopted for some of the derived SI units and these are ... coe.  e ciency in general  B propeller e ciency behind ship  D quasi propulsive coecient  H hull e .  O propeller e . in open water  R relative rotative e ciency  cavitation number S...

Ngày tải lên: 05/03/2014, 15:20

... half the velocity increase experienced in the screw race is caused by the suction created by the propeller and takes place before the water enters the propeller disc. This factor of increase, a, ... 410 Ship model correlation 412 Model testing 413 Resistance tests 413 Resistance test facilities and techniques 414 Model determination of hull e ciency elements 415 Propeller tests in open...

Ngày tải lên: 27/06/2014, 17:20

... metacentre above centre of buoyancy C B block coecient C M midship section coecient C P longitudinal prismatic coecient C VP vertical prismatic coecient C WP coecient of ®neness of waterplane D ... 410 Overall propulsive e ciency 410 Ship model correlation 412 Model testing 413 Resistance tests 413 Resistance test facilities and techniques 414 Model determination of hull...

Ngày tải lên: 13/02/2014, 11:20

... practice. Science produces the correct basis for comparison of ships but the exact value of the criteria which determine their performances must, as in other branches of engineering, continue to be ... therefore loaded since it presupposes a choice. Naval architecture is art and science. Basically, naval architecture is concerned with ship safety, ship performance and ship geometry, alt...

Ngày tải lên: 13/02/2014, 20:20

... fraction C D drag coe. C L lift coe. C T speci c total resistance coe. C W speci c wave-making resistance coe. D drag force F n Froude number I idle resistance J advance number of propeller K Q torque coe. K T thrust ... for example, the choice of machinery to serve speed and endurance re¯ects back on the volume required and the architecture of the ship which aects safet...

Ngày tải lên: 27/06/2014, 17:20

... cylinder to supply the required latent heat. 20 BASIC SCIENCE AND PRACTICE OF GAS SERVICE TABLE 2.3 Oxygen requirement – commercial propane Constituent Percentage by volume Chemical equation for combustion Volumes ... the temperature of the cooled liquid and are now at a lower temperature than the atmospheric temperature. This temperature difference causes heat to be transferred from the...

Ngày tải lên: 29/03/2014, 08:20

... every teller can accept a deposit, etc. At the same time, each member has its own state, each account has a different balance, each teller has a name. Thus, the tellers, customers, accounts, ... C+ + succeeds 70 A better C 71 You’re already on the learning curve 71 Efficiency 71 Systems are easier to express and understand 72 Maximal leverage with libraries 73 Source-code...

Ngày tải lên: 08/03/2014, 23:20

... vs. Message-Based Concurrency Architectures . 12 2 7 .1 ACE-Handle_.Set & ACEJiandle J3 et iterator Class Diagrams 14 0 7.2 Architecture of a Reactive Logging Server 15 3 8 .1 The ACE Process ... a client sends a request to a server, which processes the request and then sends back a response. These re- quest/response protocols can be implemented over either connectionless or c...

Ngày tải lên: 23/03/2014, 22:21