The Energy Return on Energy Invested (ERoEI or EROI) of any energy gathering system is a measure of that system's efficiency. The concept was originally derived in ecology and has been transferred to analyse human industrial society. In today's energy mix, hydroelectric power ± nuclear power ...
Contact NowThe dependencies of AM techniques on related technologies such as material modeling, design tools, computing, and process design represent a challenge for both applied and basic research, shown in Fig. 1.
Contact NowHydraulic fracturing (also fracking, fraccing, frac'ing, hydrofracturing or hydrofracking) is a well stimulation technique in which rock is fractured by a pressurized liquid.
Contact NowCutting fluid is a type of coolant and lubricant designed specifically for metalworking processes, such as machining and stamping. There are various kinds of cutting fluids, which include oils, oil-water emulsions, pastes, gels, aerosols (mists), and air or other gases.
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