Description
Nautical Physics and Electronics – I (Part I)
Authors:
Dr. K. Anandan, Associate Professor & Head, Department of Physics, AMET Deemed to be University, Chennai – 603112
Dr. K. Gayathri, Associate Professor & Dy. Head (Director – Publications), Department of Physics, AMET Deemed to be University, Chennai – 603112
Dr. K. Rajesh, Associate Professor, Department of Physics, Dayananda Sagar College of Engineering, Bangalore – 560111
Publisher: Cogniverse Press, Nakari Gaon, Borigaon Siding, Jorhat – 1
Preface
Physics forms the foundation of Nautical Science and plays a crucial role in understanding ship operations,
marine navigation, and ocean-related phenomena. This book has been prepared to meet the academic requirements
of Maritime Education students as prescribed by maritime universities and training institutions.
Part I focuses on Fluid Mechanics and Acoustics & Ultrasonics. Topics include buoyancy, ship stability,
sound propagation, ultrasonic generation, and marine applications such as SONAR and depth measurement.
The content is presented systematically with simple mathematics, diagrams, solved examples, and review questions.
This book serves as a textbook for undergraduate students and a reference for faculty members.
Suggestions for improvement are welcome.
Table of Contents
Unit I – Fluid Mechanics
- 1.1 Pascal’s Law – Page 1
- 1.2 Archimedes Principle – Page 2
- 1.3 Bernoulli’s Principle – Page 2
- 1.4 Law of Floatation – Page 3
- 1.5 Centre of Gravity and Centre of Buoyancy – Page 3
- 1.6 Stability of Equilibrium of a Floating Body – Page 4
- 1.7 Metacentre and Metacentric Height – Page 6
- 1.8 Plimsoll Line (International Load Line) – Page 7
- 1.9 Marine Hydrometer – Page 8
- 1.10 Hydrostatic Pressure – Page 9
- 1.11 Hydrostatic Pressure (Depends & Does Not Depend) – Page 10
- 1.12 Centre of Pressure – Page 10
- 1.13 Surface Tension – Page 12
- 1.14 Capillarity – Page 13
- 1.15 Poiseuille’s Law – Page 14
- 1.16 Viscosity – Page 14
Unit II – Acoustics and Ultrasonic
- 2.1 Wave Motion – Page 19
- 2.2 Progressive Waves – Page 20
- 2.3 Laws of Transverse Vibrations – Page 22
- 2.4 Velocity of a Transverse Wave in a Stretched String – Page 24
- 2.5 Sonometer (Frequency of AC Source) – Page 25
- 2.6 Acoustics – Page 26
- 2.7 Classification of Audible Sound – Page 26
- 2.8 Characteristics of Musical Sound – Page 27
- 2.9 Doppler’s Effect (Different Cases) – Page 29
- 2.10 Ultrasonic – Page 37
- 2.11 Ultrasonic Waves Production by Piezoelectric Crystal Oscillator – Page 38
- 2.12 SONAR (Sound Navigation and Ranging) – Page 40
References
Page 40
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