Environment
Climate, meteorology, sun, wind and environmental related engineering resources.
Acids - pH Values
pH values of acids like sulfuric, acetic and more..
Air - Thermophysical Properties
Thermal properties of air at different temperatures - density, viscosity, critical temperature and pressure, triple point, enthalpi and entropi, thermal conductivity and diffusivity and more.
Bases - pH Values
pH values for bases like sodium hydroxide, ammonia and more.
Beaufort's Wind Scale
The Beaufort description and observation scale for wind and wind speed.
Bio Ethanol Production - Raw Materials
Raw materials used for Ethanol Bio-fuel production.
Biogas - Carbon Nitrogen Ratios
Carbon - Nitrogen ratios for biogas produced from various raw materials.
Biogas - Composition
Typical composition of biogas produced from household waste.
Biogas - Potential from Animal Manure
Potential biogas production from animal manure.
Biomass Energy Units
Convert between different biomass energy units.
Biomasses - Energy Content when Used as Fuel
Biomass fuels and their energy content.
Capacitors - Stored Energy
Potential power and energy stored in capacitors.
Carbon Monoxide and Health Effects
Exposure to Carbon Monoxide - CO and health effects.
Combustion of Fuels - Carbon Dioxide Emission
Environmental emission of carbon dioxide CO2 when combustion fuels like coal, oil, natural gas, LPG and bio energy.
Concentration of Carbon Dioxide in the Atmosphere
The atmospheric Carbon Dioxide concentration year 1959 - 2015.
Earthquake Scales
Richter Magnitude, Moment Magnitude and Mercalli Intensity.
Effectiveness of Biocides
Effectiveness of biocides against bacteria, fungi and algae.
Energy Balance and Energy Ratio
Energy balance and energy payback ratio.
Food and Foodstuff - pH Values
pH in common food products - like apples, butter, wines and more.
Fossil vs. Alternative Fuels - Energy Content
Net (low) and gross (high) energy content in fossil and alternative fuels.
Fujita-Pearson Tornado Intensity Scale
A tornado intensity rating scale.
Glazing Materials - Optical Properties
Optical properties of commonly used glazing materials.
Global Temperature Trend
Global temperature trend year 1880 - 2015.
Hurricane Intensity Scale
The Saffir-Simpson hurricane damage potential scale.
Hydropower
Power potential vs. head and flow rate.
Ice - Thermal Properties
Thermal and thermodynamic properties of ice like density, thermal conductivity and specific heat at temperatures from 0 to -100 oC.
Nitrogen Oxides (NOx) Emission from Fuels
Emission of Nitrogen Oxides - NOx - with combustion of fuels like oil, coal, propane and more.
Refrigerants - Environmental Properties
Refrigerants - Ozone Depletion (ODP) and Global Warming Potential (GWP).
Salinity of Water
Salinity - salt content - of fresh, brackish and sea water.
Soil - Water Content
Water or moisture content in soil.
Solar Radiation - Daily Surface Energy
Daily surface energy from solar radiation.
Solar Radiation through Windows
Heat from sun transmitted through windows.
Sun Charts
Online solar chart creator.
Tree Species - Water Demand
Trees species and relative water demand.
Urban Tree Heights
Height of trees commonly used in towns and urban areas.
US Heating Degree-Days
Standard and industrial heating degree-days.
Water - Thermophysical Properties
Thermal properties of water at different temperatures like density, freezing temperature, boiling temperature, latent heat of melting, latent heat of evaporation, critical temperature and more.
Wind Chill Index
Effective Temperature of air in movement.
Wind Energy
Available wind energy.
Wind Power
Power generation from wind.
Wind Shear
Wind slowed down at surface by trees and obstructions.
Wind Turbine Power Calculator
Online wind turbine calculator.