113

• Transverse forces, Fh per saddle. Seismic:

• Total saddle reaction forces, Q. Q = greater of Qi or Longitudinal, Qi

Transverse, Q.2

Shell Stresses

There are 14 main stresses to be considered in the design of a horizontal vessel on saddle supports:

Sj = longitudinal bending at saddles without stif-feners, tension

52 = longitudinal bending at saddles without stif-

feners, compression

53 = longitudinal bending at saddles with stiffeners

Q,

F,

^ /

' 1 N

Renewable Energy 101

Renewable Energy 101

Renewable energy is energy that is generated from sunlight, rain, tides, geothermal heat and wind. These sources are naturally and constantly replenished, which is why they are deemed as renewable. The usage of renewable energy sources is very important when considering the sustainability of the existing energy usage of the world. While there is currently an abundance of non-renewable energy sources, such as nuclear fuels, these energy sources are depleting. In addition to being a non-renewable supply, the non-renewable energy sources release emissions into the air, which has an adverse effect on the environment.

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