MARTINDALE'S CALCULATORS ON-LINE CENTER ENGINEERING A-Z NAVAL ARCHITECTURE MARINE & OCEAN ENGINEERING

US/Pacific: Sunday, October 24, 2004 Sydney, Australia: Monday, October 25, 2004 File Download Time Calculator Author, E-Mail, Privacy Policy & Disclaimer Currently the Calculators On-Line Center contains over "18,795" Calculators

Buoyancy & Isostasy BUOYANT FORCE IN LIQUIDS BUOYANT FORCE IN LIQUIDS - W. Fendt, Augsburg, Bundesrepublik Deutschland (Germany) Available in English, French/Français, German/Deutsch, Italian/Italiano & Spanish/Español. "Law of Archimedes - The buoyant force is equal to the weight of the replaced liquid or gas." For more information see Physics Applets or Walter Fendt's Home Page ISOSTASY ISOSTASY (JAVA APPLET) - Geoscience Information System, Department of Geological Sciences, Cornell University "Experiment with isostasy by changing the block height and density, and the liquid density. Values can be..." For more information see Web Tools; Cornell University's Geoscience Information System or the Department of Geological Sciences Design, Construction, Marine Structures & Hydrodynamics AREA OF A DECK AREA OF A DECK (JAVA APPLET) - C.G. Crawford & M.D. Meyerson, Mathematics Department, United States Naval Academy (USNA) VERY EXTENSIVE. For more information see Web Based Calculus Applications; Mathematics Department or the United States Naval Academy MARINE TECHNOLOGY - MARINE STRUCTURES & HYDRODYNAMICS MARINE TECHNOLOGY - MARINE STRUCTURES & HYDRODYNAMICS (JAVA APPLETS, VRML, QUICKTIME) - Håvard Holm, Department of Marine Technology, Faculty of Engineering Science and Technology, Norwegian University of Science and Technology, Norway Multimedia Interactive Course (Text, Images, Diagrams, Applets, Video). VERY VERY VERY EXTENSIVE. For more information see Håvard Holm's Home Page Some examples from the Marine Structures Section Structural Components Ship Girder Java Applet Pendulum Dynamics Applets Some examples from the Marine Hydrodynamics Section Seakeeping Viscous Fluid Hovercraft HOOVERCRAFT CALCULATIONS HOOVERCRAFT CALCULATOR - A. Olshove "So far, this program assumes that your craft will be a simple rectangle shape with a slope or wedge at the front. The air gap is the distance between the ground and the bottom of the skirt (*not* the bottom of the craft)." For more information see Alex Olshove's Hovercraft Home Page Other Calculators include Duct Area Calculator (splitter placement calculator) HOOVERCRAFT LIFT CALCULATIONS HOVERCRAFT LIFT CALCULATOR - HoverWare Hardware "The purpose of this calculator is to provide you with the general lift air characteristics of your craft...." For more information see Calculators or HoverWare Hardware Hydrophone HYDROPHONE ELECTRICAL LOADING HYDROPHONE ELECTRICAL LOADING CORRECTIONS - National Physical Laboratory (NPL), U.K. For more information see NPL Acoustics: Technical Guides; NPL Acoustics; Science at NPL; National Physical Laboratory Hydrostatics HYDROSTATIC CALCULATIONS HYDROSTATIC CALCULATOR - Department of Mechanical Engineering, Naval Postgraduate School, U.S. Navy, Monterey, CA For more information see Software; Integration of Naval Engineering Systems; Department of Mechanical Engineering or the Naval Postgraduate School HYDROSTATIC SIMULATIONS HYDROSTATICS (JAVA APPLET) - Håvard Holm, Norway "...shows a simple experiment concerning the buoyancy in a liquid:..." For more information see Marine hydrodynamics or Marine Technology Line/Rope ROPE CALCULATIONS ROPE (FIBRE ROPES & STEEL WIRE ROPES) SELECTION CALCULATOR - TTI Ltd. VERY EXTENSIVE. Input Includes: "Strength; Construction (Braid, Wire Rope. Parallel Strand, & Parallel Yarn); Fibre (Aramid SM, Aramid HM, HMPE, LCP, Nylon, & Polyester)" "...Based on the input of desired strength, fibre and construction, the calculator returns the theoretical weight,..." For more information see Tools & Guides or Tension Technology International Marine Refrigeration BTU HEAT LOAD BTU HEAT LOAD CALCULATOR - Glacier Bay, Inc. VERY VERY EXTENSIVE. "...will quickly estimate the amount of heat which will enter your box as well as the total interior volume...." For more information see Marine Refrigerator Box Assistant; Technical Library for Marine Related Topics related to High-Efficiency Refrigeration or Glacier Bay BOX BUILDER CALCULATIONS BOX BUILDER'S CALCULATOR - Glacier Bay, Inc. VERY VERY EXTENSIVE. "...will determine the amount of "usable" interior volume in a variety of box shapes..." For more information see Marine Refrigerator Box Assistant; Technical Library for Marine Related Topics related to High-Efficiency Refrigeration or Glacier Bay Nuclear Submarine NUCLEAR SUBMARINE SIMULATION DRIVE THE VIRTUAL SUBMARINE - Applied Physics Laboratory, Johns Hopkins University VERY VERY EXTENSIVE. "...See what it's like to take the helm of a US nuclear submarine... Keep hidden, and be safe... Stay off the surface and don't hit the bottom!..." For more information see Submarine Ship Control Training Program; Education: Science & Technology or the Applied Physics Laboratory

Ocean Engineering & Oceanographic Tools FOR OCEANOGRAPHY DATABASES & COURSES SEE THE GEOSCIENCE CENTER: OCEANOGRAPHY OCEAN ENGINEERING TOOLS OCEAN ENGINEERING CALCULATORS - S. Gram, Elsevier Science Publishers BV, Norwary VERY VERY VERY EXTENSIVE. Calculators are included in "A Course in Ocean Engineering". Examples from over '50' Calculators include Gravity Wave Parameters Surface Wave Amplitudes Motion Amplitudes Below Surface Instantaneous Wave Motion Forces on Tower in Regular Waves Waves over Submerged Tower Wave Loads on Submerged Tower OCEANOGRAPHIC TOOLS A SEA WATER EQUATION OF STATE CALCULATOR - R. Chapman, Ocean Remote Sensing Group, The Johns Hopkins University Applied Physics Laboratory For more information see Ocean Remote Sensing Group OCEANIC CALCULATOR - P. Wilde, Berkeley, CA VERY VERY EXTENSIVE. "Various parameters as functions of Temperature, Salinity, and Pressure..." For more information see Marine Related Interactive Tables, etc.; Pat Wilde's Home Page #2 or Pat Wilde's Home Page #1 OCEANIC CALCULATOR II: CONSERVATIVE, NUTRIENT AND REDOX RELATED ELEMENTS IN SEA WATER - P. Wilde, Berkeley, CA VERY VERY EXTENSIVE. "Elements as functions of salinity (chlorinity); nutrients Phosphate, and/or Silicate; and..." For more information see Marine Related Interactive Tables, etc.; Pat Wilde's Home Page #2 or Pat Wilde's Home Page #1 OCEANIC CALCULATOR III: OCEANIC VELOCITY FROM STATION DATA CALCULATOR - HELLAND-HANSEN EQUATION - P. Wilde, Berkeley, CA VERY EXTENSIVE. "'Mean' velocity with depth between two hydrographic stations making the depth of no motion assumption and applying the Helland-Hansen equation..." For more information see Marine Related Interactive Tables, etc.; Pat Wilde's Home Page #2 or Pat Wilde's Home Page #1 OCEANIC VERTICAL REDOX CALCULATOR - P. Wilde, Berkeley, CA VERY EXTENSIVE. "Dissolved Oxygen with depth for Glacial, Inter-Glacial, and Non-Glacial climates. Surface and Deep water D.O and temperature as well as pycnocline thickness variable..." For more information see Marine Related Interactive Tables, etc.; Pat Wilde's Home Page #2 or Pat Wilde's Home Page #1 OCEANOGRAPHIC UTILITIES - CALCULATORS - M. Tomczak, Earth Sciences, Flinders University of South Australia, Adelaide, Australia VERY VERY EXTENSIVE. For more information see An Introduction to Physical Oceanography or Matthias Tomczak's Website Some examples from over "15" Calculators include Sound Speed Calculator (solves the Equation of State of Seawater) Freezing Point Calculator (determines the freezing point of seawater) Coriolis Frequency Calculator OCEANOGRAPHIC UTILITIES - GRAPHING CALCULATORS - M. Tomczak, Earth Sciences, Flinders University of South Australia, Adelaide, Australia VERY VERY EXTENSIVE. For more information see An Introduction to Physical Oceanography or Matthias Tomczak's Website Some examples of Graphing Calculators include Graphing utility for ocean currents Graphing utility for CTD station data SPEED OF SOUND IN SEA-WATER - National Physical Laboratory (NPL), U.K. VERY EXTENSIVE. Calculators include: 4 Interactive Versions for Speed of Sound & 2 Interactive Versions for Pressure or Depth. For more information see NPL Acoustics: Technical Guides; NPL Acoustics; Science at NPL; National Physical Laboratory Some examples include The International Standard Algorithm (UNESCO equation): Chen and Millero Del Grosso's equation: Wong and Zhu (An alternative equation to the UNESCO algorithm) Simple Equations: Mackenzie Simple Equations: Coppens PROPERTIES OF SEAWATER CALCULATOR - D. Kelley, Physical Oceanography, Dalhousie University, Halifax, Canada For more information see Some Properties of Seawater or Dan Kelley's Home Page SEDIMENT-TRANSPORT CALCULATIONS SEDIMENT-TRANSPORT APPLETS - C.R. Sherwood, Coastal Sediment Transport Measurements and Modeling, USGS Science Center for Coastal and Marine Geology, Woods Hole, MA VERY VERY EXTENSIVE. For more information see Christopher R. Sherwood's Home Page or the USGS Science Center for Coastal and Marine Geology, Woods Hole, MA Some examples include Linear Wave Calculations Ripple Properties Sediment Particle Property Calculations Wave-Current Interaction Calculations COASTAL INLETS COASTAL INLETS: CRIP PRODUCTS & TOOLS - Coastal Inlets Research Program (CRIP), Engineering Research and Development Center, U.S. Army Corps of Engineers VERY VERY EXTENSIVE. "...an information and analysis resource on tidal inlets, navigation channels, and the adjacent beaches..." For more information see Coastal Inlets Research Program CIRP or the Engineering Research and Development Center Examples of Databases & Calculators include Database of Federal Inlets and Entrances Inlets Online Flow Construction Jet - Flow Net Calculator Nozzle Construction Jet - Flow Net Calculator Inlet Channel Equilibrium Scour Depth Calculator DREDGING CALCULATIONS DREDGING CALCULATORS AND SCREENING TOOLS - J.E. Clausner & E. Briuer, Dredging Operations and Environmental Research, Dredging Operations Technical Support (DOTS), Environmental Laboratory, Engineer Research and Development Center (ERDC), Waterways Experiment Station (WES), U.S. Army Corps of Engineers VERY VERY EXTENSIVE. Also includes: Models & Animations. For more information see Dredging Operations and Environmental Research; Dredging Operations Technical Support (DOTS); Environmental Laboratory or the Engineer Research and Development Center (ERDC) Some examples of Calculators include Prediction of Eroded Versus Accreted Beaches Estimating the Terminal Fall Velocity of Sand Soil Calculations: Water Content, Dry density, Porosity, Degree of Saturation. etc. Flow Through A Pipeline Velocity Requirements of Different Pipe Sizes WAVE CALCULATIONS & OCEAN WAVE THEORY AN OCEAN WAVE PARAMETER CALCULATOR - R. Chapman, Ocean Remote Sensing Group, The Johns Hopkins University Applied Physics Laboratory "The simple JavaScript calculator below will allow you to compute any wave parameter (other than amplitude) from any other." For more information see Ocean Remote Sensing Group INTERACTIVE TOOLS IN OCEAN WAVE THEORY (JAVA APPLETS) - S.A. Kinnas, M.H. Kim, J. Zhang, H. Hart, & J.M. Roesset, Offshore Technology Research Center (OTRC), Texas A&M University and the University of Texas at Austin VERY VERY EXTENSIVE. For more information see Electronic Classroom on Ocean Wave Theory; Electronic Classroom on Ocean Wave Theory (Alternative Site); Spyros A. Kinnas Home Page or the Offshore Technology Research Center (OTRC) Some examples include Wave Forces on Cylinder (Linear Wave Theory) Multi-Component Waves (Linear Wave Theory) Comparison of Wave Forces Acting on a Cylindrical Bottom-mounted Pile STOKES WAVE (NONLINEAR) APPLET - S.A. Kinnas, M.H. Kim, J. Zhang, H. Hart, & J.M. Roesset, Offshore Technology Research Center (OTRC), Texas A&M University and the University of Texas at Austin VERY EXTENSIVE. For more information see Ocean Wave Mechanics: Nonliear Wave theory; Courses; Spyros A. Kinnas' Home Page Jun Zhang's Home Page or the Offshore Technology Research Center (OTRC) Examples of other Wave Applets include Nonlinear Wave Kinematics Long Wave/Short Wave Interaction WATER WAVES CALCULATOR (GRAVITY-CAPILLARY WAVE CALCULATOR) - M.S. Cramer, Fluid Mechanics, Department of Engineering Science and Mechanics, College of Engineering, Virginia Polytechnic Institute and State University (Virginia Tech) "...computes the phase and group velocities for ordinary gravity waves with or without the surface tension..." For more information see Wave Propagation; Javascript Calculators; Mark S. Cramer's Home Page; Fluid Mechanics; Department of Engineering Science and Mechanics or the College of Engineering WAVE & OCEAN WAVE THEORY ANIMATIONS/SIMULATIONS ANIMATIONS IN OCEAN WAVE THEORY - S.A. Kinnas, M.H. Kim, J. Zhang, H. Hart, & J.M. Roesset, Offshore Technology Research Center (OTRC), Texas A&M University and the University of Texas at Austin Animations include: "Linear Wave Theory; Stokes' 2nd order Wave Theory; & Numerical Simulation of Wave/Body Interaction." For more information see Electronic Classroom on Ocean Wave Theory; Electronic Classroom on Ocean Wave Theory (Alternative Site); Spyros A. Kinnas Home Page or the Offshore Technology Research Center (OTRC)

Propeller Design CAVITATION SIMULATIONS CAVITATION SIMULATIONS - S.A. Kinnas, Offshore Technology Research Center (OTRC), Texas A&M University and the University of Texas at Austin "... the rapid formation and collapse of vapor pockets in a flowing liquid..." For more information see Spyros A. Kinnas' Home Page or the Offshore Technology Research Center (OTRC) PROPELLER OPTIMIZATION PROPELLER OPTIMIZATION APPLETS: OPTIMAL WAGENIGEN B-SCREW SERIES PROPELLERS - Applet Author: Jun Li; & hosted by M.G. Parsons, Department of Naval Architecture and Marine Engineering, University of Michigan VERY VERY EXTENSIVE. "...These applets use the propeller characteristics provided by Oosterveld and van Oossanen. The Nelder and Mead Simplex Search with an External Penalty Function is used to perform the nonlinear constrained..." Applets include: "(1) Propeller Optimization Program POP provides the optimum open water efficiency design satisfying user-specified constraints; (2) Propeller Evaluation Program PEP provides thrust, torque and open water efficiency for a specified first-quadrant operating condition; (3) 2-D Propeller Geometry PropView provides simple 2-D section and profile views of the design." For more information see Conceptual Ship Design Software Environment; Foundation Of Ship Design; Michael G. Parsons Home Page or the Department of Naval Architecture and Marine Engineering Radar & Electonic Warfare (EW) ELECTRONIC WARFARE (EW) AND RADAR SYSTEMS ELECTRONIC WARFARE (EW) AND RADAR SYSTEMS ENGINEERING HANDBOOK - Naval Air Warfare Center Weapons Division, Point Mugu, CA, United States Navy Multimedia Course, Interactive Demonstrations & Sample EW Test (Text & Images). VERY VERY VERY EXTENSIVE. Must enter COURSE via Electronic Warfare page - Click on "Handbook" located on the right hand side. "...This handbook is designed to aid EW and Radar systems engineers in making general estimations regarding capabilities of systems. It is not intended as a detailed designer's guide..." For more information see the Naval Air Warfare Center Weapons Division ELECTRONIC WARFARE (EW) CALCULATIONS ELECTRONIC WARFARE ONLINE INTERACTIVE CALCULATORS - Directorate of Science & Technology. Green Bay Professional Packet Radio (GBPPR) VERY EXTENSIVE. For more information see Homebrew Military & Espionage Electronics or the Green Bay Professional Packet Radio (GBPPR) Some examples include Minimum Jammer Power Microwave Radio Path Analysis Urban Area Path Loss RADAR CALCULATIONS - ALL INCLUSIVE INTRODUCTION TO AIRBORNE RADAR - SciTech Publishing, Inc. Multimedia Tutorials & Calculators (Text & Images). Some examples of online calculators include A full antenna pattern Display of how an antenna array works Horizon calculator: radar/visual Radar Range, Time, Frequency Calculator RADAR ANTENNA CALCULATOR (ANTCALC) - I. Harre, Germany "...a calculator to determine from the dimension of the radar antena its main parameters." For more information see Radar or Ingo Harre's Home Page RADAR IMAGE SYNTHESIS (SAR) CALCULATORS/SIMULATIONS (JAVA APPLET) - S. Foucher, Y. Moisan & R. Gonzalez-Rubio, Université de Sherbrooke, Québec, Canada In English & French. VERY VERY EXTENSIVE. Illustrates "how radar remote sensing signal interacts with the surface and, more importantly, how images are constructed from the backscattered signal using Java applets..." For more information see Radar Image Synthesis & Modeling Presentation; Radar Image Synthesis & Modeling or the Université de Sherbrooke, Québec Some examples include Ground Interaction Simulation Raw Data Simulation Image Formation Simulation RADAR & SHIP MOVEMENT SIMULATIONS RADAR (JAVA APPLET) - C. G. Crawford, Mathematics Department, United States Nava Academy (USNA) VERY EXTENSIVE. "Suppose a target is moving back and forth, toward and away from your radar unit. The given function represents ..." For more information see Web Based Calculus Applications; Mathematics Department or the United States Nava Academy RELATED RATES (JAVA APPLET) - C. G. Crawford, Mathematics Department, United States Nava Academy (USNA) VERY EXTENSIVE. "This applet simulates the movement of two ships, one East/West and the..." For more information see Web Based Calculus Applications; Mathematics Department or the United States Nava Academy BEAM WIDTH CALCULATIONS BEAM WIDTH/CHARACTERISTICS CALCULATOR - Warning Decision Training Branch (WDTB), National Weather Service (NWS), NOAA VERY EXTENSIVE. "When analyzing radar data, it is often helpful to know the height of the radar volume...This applet provides a simpler way to get this information. In addition to providing the user the beam center height, it also provides the beam top height, beam bottom height, and the beam width..." For more information see Resources or the Warning Decision Training Branch BOUNDARY-RELATIVE SPEED CALCULATIONS BOUNDARY-RELATIVE SPEED CALCULATOR - Warning Decision Training Branch (WDTB), National Weather Service (NWS), NOAA VERY EXTENSIVE. "...This applet was created to give forecasters an easy way to use the proposed schematic diagram in an operational environment...The applet uses three input variables (cell speed, cell direction, and boundary speed; all speeds in m s-1) to compute the boundary-relative velocity at points all along the circular boundary...." For more information see Resources or the Warning Decision Training Branch Sonar DESIGN A SYNTHETIC APERTURE SONAR DESIGN A SYNTHETIC APERTURE SONAR (SAS) SYSTEM - CALCULATOR - Dynamics Technology, Inc. VERY VERY EXTENSIVE. "This calculator was designed to be a guide for designing a sonar appropriate for synthetic aperture sonar..." For more information see SAS or Dynamics Technology, Inc. SONAR RANGE CALCULATOR SONAR RANGE CALCULATOR - M. Davidson, Institute of Marine Studies, University of Plymouth, Plymouth, U.K. VERY EXTENSIVE. For more information see Underwater Acoustics (IMS 2124); Mark Davidson's Home Page; Institute of Marine Studies or the University of Plymouth

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