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The use of commercial software packages has allowed Life Cycle Assessments to be undertaken more rapidly and easily. Your task is to investigate the software packages that are available, and give an overall review of the ways in which they make the process of conducting a LCA easier. As part of your review, you should do a more detailed comparison of two of the packages (you choose which ones), outlining their advantages, disadvantages and limitations. It should be somewhere between 2000-3000 words in length as a guideline.
What I am really looking for is evidence that you understand the benefits of software in conducting LCA, which is best demonstrated in how you answer the first, more general part of the assignment. For the first part, I am not looking for a re-wording of what an LCA is, more a good description of how software can help in the various stages. For the second part, by comparing software, I am looking for evidence that you understand the differences in how specific software packages deal with the various stages of LCA and how they differ in what they cover, their scope and limitations as well as a brief treatment of factual information about their features including cost.
a feed water pump operates with a flow rate of 350 kgs. the water enters at 420 k. the inlet pressure is 0.7 mpa and
air at 50 psia and 90 f flows at the rate of 1.6 lbms through an insulated turbine. if the air delivers 11.5 hp to the
A spherical balloon inflated sos that the volume is increasing at the rate of cubic meter/min. At what rate is the diameter increasing when the diameter is 12 m?
A turbine uses steam at 25MPa and 650°C at the turbine inlet to generate 17.5MW of power. The steam enters the turbine at a rate of 90000kg/h. A portion of the steam passing through the turbine is removed for the purposes of feedwater heating (Figure..
A 0-45-90 rosette strain gage is placed on a material with E = 100GPa and v = 0.25. The material is then placed in a state of plane stress. Find Sigma x, Sigma y, Tau xy, Epsilon z, and largest principal stress
What will be the length of the specimen after the load is removed? d) The specimen was reloaded until fracture. If the % reduction in area after fracture was 40%, what is the minimum diameter of the specimen at fracture?
a diesel engine has a state before compression of 95 kpa 290 k a peak pressure of 6000 kpa and a maximum temperature of
the collars are pin connected at b and are free to move along rod oa and the curved guide oc having the shape of a
Niobium has the BCC structure with a density of 8.57 g/cm^3 , an atomic weight of 92.91 g/mol. One atom is associated with each lattice point. Calculate the lattice parameter; and the atomic radius of Niobium.
A steel rod of circular cross section will be used to carry an axial load of 91 kips. The maximum stresses in the rod must be limited to 28 ksi in tension and 10 ksi in shear. Determine the required diameter for the rod.
1. water at 80degf flows from a storage tank through 550 feet of 6-inch nominal size cast iron pipe actual id 6.52
air enters the compressor of an ideal closed air-standard brayton cycle at 100kpa with a volumetric flow rate of 5m3s.
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