Aluminium Alloys Database This database
allows you to check the resistance of various aluminium
alloys to SCC in various environments. An Interactive Quiz on Boilers and HRSGs
Utility to assist plant engineers keep current on their
boiler/HRSG skills. Angle Converter Convert to and from
degrees, grades, minutes, quadrants, radians,
revolutions, etc. Angle Converter Geometry calculator
for angles. ASL Fingerspelling Americal Sign
Language fingerspelling dicionary, ASL fingerspelling
converter, and more.
Boyle's Law Calculator Boyles Law states
that the volume of a fixed mass of gas at a constant
temperature is inversely proportional to the pressure of
the gas.
Brittle Failure Calculator For a given stress
state and safety factor, this calculator applies the
maximum normal stress criterion and Mohr's theory to
check if the principal stresses exceed a given tensile
or compressive strength.
BTU Calculator This calculator is designed to
give an estimate of the heating needs of a room,
combination of rooms, or an entire building.
Calculating Condensate Loads When the normal
condensate load is not known, the load can be
approximately calculated using this formula.
Centrifugal Compressor Sizing This procedure
determines the number of compression stages, discharge
temperature, head and both gas and brake horsepower
required per stage for a centrifugal compreesor.
Charles' Law Calculator
Charles' Law states that the volume of a fixed
massof gas at a constant pressure is directly
proportional to its absolute temperature.
Chemical Equation Balancer Chemical equation
balancer to balance such chemical equations as C6H12O6 +
O2 = H2O + CO2.
Chemicool Chemicool Chemistry Periodic table
(periodic chart) of the elements. Information about
hydrogen, oxygen, silver, carbon, aluminium...plus
Forum, Dictionary and Tools.
Compression Spring Calculators Frustrated by
reading spring catalogs trying to figure out which
spring gives you the right force or displacement? Maybe
one of these calculators can help you.
Copper Alloys Database This database allows
you to check the resistance of various copper alloys to
SCC in various environments.
Corrosion Rate Calculator Calculate corrosion
rate in 4 quick steps by specifying weight loss, area,
density and time. This popular utility allows you to
specify values and gives the output in a wide variety of
units.
Crib Sheet for Plating A periodic table for
plating, electrochemical equivalents, troubleshooting
nuggets, other little used facts.
Crystal Lattice Structures
This page offers a concise index of common
crystal lattice structures. A graphical representation
as well as useful information about the lattices can be
obtained by clicking on the desired structure.
Diameter of a Particle Falling at Terminal Velocity
This procedure calculates the diameter of a single rigid
particle falling at terminal velocity in a Newtonian
fluid under the influence of gravity and is applicable
to the laminar, transitional, and turbulent flow
regimes.
Ductile Failure Calculator For a given stress
state and safety factor, this calculator applies the
maximum shear stress criterion and von Mises criterion
to check if the maximum shear stress exceeds the given
yield strength.
Elastic Constant Converter Calculator that
allows you to convert from any 2 constants to all others
in common use.
Energy, Environmental, and Economics (E3) Handbook
Information on a wide number of topics generally
associated with energy and environmental research and
development, such as environmental regulations,
technology transfer issues, energy statistics, etc.
Engineering Conversion Factors Calculators
for energy, pressure, volume, density, specific volume,
specific heat, enthalpy, thermal conductivity,
viscosity, and coefficient of heat transfer.
Engineering Units Conversion Convert
quantities like Energy, Pressure, Enthalpy, Entropy,
Viscosity from one system of units to another.
Evaluating Heat Transfer Fluids Utility Need
a heat transfer fluid? This utility provides an easy way
to compare the technical specifications of a range of
fluids.
Fluid Flow Glossary By the University of
Texas Department of Petroleum and Geosystems
Engineering.
Foil Terminology Glossary Foilcenter explains
terms specific to foil production such as luster,
tension leveling, strain hardening and more.
Force Converter Convert to and from dyne,
joules, kilograms, newtons, pounds, tons, etc.
Fraction Calculator This calculator tells you
where your decimal fraction stands on the 1/8, 1/16,
1/32, and 1/64 scales.
Free SDOF System Calculator This calculator
returns the natural frquencies, damping ratio, and the
closed-form solution for a Single-Degree-Of-Freedom
mass-spring-damper system.
Gage Calculator There are so many systems for
gaging wires and sheets. This calculator allows you to
convert back and forth between gages and the actual
decimal numbers in different standards.
Gas Compressibility Factor This procedure
calculates the compressibility factor of a real gas
using the Redlich Kwong equation of state.
Gas Law Constant NIST 1986 CODATA recommended
values of the fundamental physical constants.
Hardness Converter This calculator explains
and inter-converts comomonly used hardness scales,
including Brinell, Knoop, Mohs, Rockwell, Shore, and
Vickers.
Hazardous Chemicals Database
Allows you to retrieve information for any of
over 1300 hazardous chemicals based on a keyword search.
Heat Exchanger True Temperature Difference
This procedure calculates the corrected Log Mean
Temperature Difference (LMTD) of a single heat exchanger
or a bank of identical heat exchangers connected in
series.
MatWeb Materials Information Resource A
searchable materials information database covering
21,580 materials including metals, plastics, ceramics,
and composites.
Mortgage, Loans and Financial Calculators
These financial calculators can help figure calculations
on mortgages, car loans, home equity loans, CDs,
savings, credit cards, student loans and more. (US
based)
NIST Thermocouple Database NIST reference
functions and tables of thermocouple electromotive force
(emf) versus temperature have been adopted as standards
by the ASTM and the IEC.
Nitrogen Loss Chart Nitrogen leaks cost
approximately 10 times more than compressed air leaks. A
chart indicating the high cost of N2 leaks.
On-line Corrosion Problem Solver
Provides assistance in the identification of
the root cause of common corrosion problems through
information obtained from simple visual examination of
the corroding components or equipment.
Optimum Dimensions of a Vessel This procedure
calculates the optimum dimensions of a cylinderical
pressure vessel with a known volume.
Organic Compounds Database Provides physical
data on a large number of organic compounds, including
molecular weight, melting point, boiling point, index of
refraction and UV absorption peaks.
O-Ring Data Page Gives all of the relevant
data for standard oring sizes:
OD/ID/cross-section/volume/metric for AS-568A uniform
dash numbers
Oval Duct Differential Pressure Calculator
You input the length of the major and minor axes of the
duct in inches, and the flow rate through the duct in
cubic feet per minute.
Oval Duct Flow Rate Calculator You input the
length of the major and minor axes of the duct in
inches, and the differential pressure across the duct in
WC.
Pipe Pressure Loss Calculator Wall drag and
changes in height lead to pressure drops in pipe fluid
flow. Calculates the pressure drop and flowrates in a
section of uniform pipe.
Pipe Properties This converter provides easy
access to standard pipe properties and characteristics.
Plane Strain Transform Calculator Given the
strains at a space point in the body, this calculator
computes the strains of the same space point in a
rotated coordinate system.
Plane Stress Transform Calculator Given the
stresses at a space point in the body, this calculator
computes the stresses of the same space point in a
rotated coordinate system.
Power Calculator These calculators will
assit you in determining what size generator you may
require or how to convert one unit of electricity to
another.
Radial O-Ring Calculator This calculator
outputs the O-Ring inner diameter and the range of
O-Ring cross-section diameters that will meet user
prescribed limits on groove and bore diameters and
O-Ring compression.
RadioCalc Scientific calculator and
universal converter for radio communication and
electromagnetic compatibility (EMC).
Reciprocating Compressor Sizing This
procedure determines the number of compression stages,
discharge temperature, head and both gas and brake
horsepower required per stage for a reciprocating
compressor.
Rectangle Duct Flow Rate Calculator You input
the length of the two sidesof the duct in inches, and
the differential pressure across the duct in WC.
Research-It! General information search
engine interface of many useful resources.
Resistor Color Codes Table of colors, 1st
and 2nd significant figures, multipliers, and
tolerances.
Reynolds Number Reynolds number is used in
momentum, heat, and mass transfer to account for dynamic
similarity.
Reynolds Number Calculator This calculator
computes the Reynolds Number given the flow
characteristics asked for. It outputs the flow type you
can expect (laminar, transitional, or turbulent) based
on the Reynolds Number result.
Right Triangle Calculator Any right triangle
can be solved for all sides and angles if you just know
two sides or one angle and one side.
Salary Calculator You make your location
choices from pull-down menus, then see how much money
you'd need to earn to maintain the same cost-of-living
level if you were to relocate to your chosen
destination.
Saturated Steam Table Condensed table of the
thermodynamic properties of saturated steam.
Saturated Steam Tables Calculator is used to
compute the thermodynamic properties of saturated steam.
This calculator uses steam properties from the 1967 ASME
Steam Tables
Scientific Calculator This is a simple but
fairly general numeric expression evaluator, with a
large number of built-in transcendental functions. It
requires a Web browser that supports JavaScript.
Screw Data Page Give all of the relevant
data for sockethead capscrews, panhead machine screws
and hexhead capscrews. Simulates the TAD-type
slide-card.
Shell Side Heat Transfer Coefficient This
procedure calculates the shell side heat transfer
coefficient of a heat exchanger for both laminar and
turbulent flows.
Single Phase Pressure Drop in Piping The
pressure drop calculation presented here applies to
Newtonian fluids which are incompressible and single
phase in isothermal and steady-state flow situations.
Tank Volume Calculate the volume of liquid in
a cylindrical tank. Orient the tank either vertically or
horizontally.
TEMA Heat Exchanger Designations Enter
designation for front end stationary head type, shell
type, and rear end head type for a picture of the
configuration.
Terminal Velocity of a Rigid Particle This
procedure calculates the terminal velocity of a single
rigid particle falling in a Newtonian fluid under the
influence of gravity and is applicable to the laminar,
transitional, and turbulent flow regimes.
The Periodic Table of Elements Detailed
information for all elements, physical properties,
chemical and structural properties, and other data.
The Phase Diagram Web A free service of the
Georgia Tech Joint Student Chapter of ASM/TMS showing
binary elemental phase diagrams and links to prediction
software and other related sites.
Thermal Efficiency of Gas Fired Heaters This
procedure calculates the thermal efficiency of a gas
fired process heater and is based on API recommended
practice 532.
Thermal Efficiency of Oil Fired Heaters This
procedure calculates the thermal efficiency of an oil
fired process heater and is based on API recommended
practice 532.
Titanium-Zirconium Alloys Database
This database allows you to check the
resistance of various titanium-zirconium alloys to SCC
in various environments.
Tube Properties This converter provides easy
access to standard tube properties and characteristics.
Tube Side Heat Transfer Coefficient This
procedure calculates the tube side heat transfer
coefficient of a heat exchanger for both laminar and
turbulent flows.
Two Phase Flow Regime Determination The two
phase flow regime determination procedure presented here
applies to steady-state, isothermal two phase pipe flow
of incompressible Newtonian fluids.
Two Phase Pressure Drop in Piping The
frictional pressure drop calculation presented here
applies to steady-state, isothermal two phase pipe flow
of incompressible Newtonian fluids.
Unit Conversion Calculator Featuring more
than 800 units in our database (and growing), we give
the unit definition and SI-dimensions in addition to
converting from one unit to other units in the same
family.
Unit Conversions Over 40 conversions,
including flow rates, heat flux, viscosity, latent heat,
specific heat, and more.
Unit Converters Wide variety of engineering
unit conversion calculators.
V
Vector Calculator This is a simple Java
applet intended to give students a "feel" for vectors in
two dimensions. Specifically, it covers components,
magnitude and direction, and vector addition.
Venturi Flowmeter Calculator A fluid passing
though smoothly varying constrictions experience changes
in velocity and pressure. These changes can be used to
measure the flowrate of the fluid.
Welding Terminology As defined in the Hobart
Institute of Welding Technology Pocket Welding Guide.
Wire and Sheet Metal Gauge Equivalents Gives
the decimal value for standard sheet and wire gages. Now
gives values for SWG, AWG, BWG and Manufacturer's
standard.
Wrought Stainless Steels Database This
database allows you to check the resistance of various
wrought stainless steels to SCC in various environments.
