Basic Ship Theory K J Rawson E C TupperMSc pdf

... 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 ... SHIP A M midship section area A W waterplane area A x maximum transverse section area B beam or moulded breadth BM metacentre above centre of buoyancy...

Ngày tải lên: 27/06/2014, 17:20

... 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: 13/02/2014, 20:20

... 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

... 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 SEAKEEPING c wave velocity f frequency f E frequency ... wake fraction in general w F Froude wake fraction W n Weber number  appendage scale e ect factor  advance angle of a propeller blade section  Taylor'...

Ngày tải lên: 20/10/2012, 08:34

... to the contraction of the screw race, the velocity will increase as shown and pressure will decrease between A 1 and the disc, suer a jump at the disc and then decrease again between the disc and ... the above resistances, the ship in service generally has her resistance to ahead motion increased by the presence of waves and spray generated by the wind. In rough weather, this e ect can be...

Ngày tải lên: 20/10/2012, 08:34

... shape. The distance between these two convenient reference lines is called the length between perpendiculars (LBP or L PP ). Two other lengths which will be referred to and which need no further ... kg m=s 2 Work, energy joule J  Nm Power watt W  J= s Electric charge coulomb C  As Electric potential volt V  W=A Electric capacitance farad F  As=V Electric resistance ohm   V=A Frequ...

Ngày tải lên: 14/03/2014, 16:20