Download e-book for iPad: Advanced power generation systems by İbrahim Dinçer; Calin Zamfirescu

By İbrahim Dinçer; Calin Zamfirescu

Advanced energy new release Systems examines the total variety of complicated a number of output thermodynamic cycles that may let extra sustainable and effective energy creation from conventional tools, in addition to using the numerous earnings on hand from renewable assets. those complicated cycles can harness the by-products of 1 strength iteration attempt, equivalent to electrical energy creation, to at the same time create extra strength outputs, comparable to warmth or refrigeration. fuel turbine-based, and commercial waste warmth recovery-based mixed, cogeneration, and trigeneration cycles are thought of intensive, in addition to Syngas combustion engines, hybrid SOFC/gas turbine engines, and different thermodynamically effective and environmentally wakeful iteration applied sciences. The makes use of of solar energy, biomass, hydrogen, and gasoline cells in complicated strength iteration are thought of, inside either hybrid and devoted structures.

The distinctive strength and exergy research of every kind of procedure supplied via globally well-known writer Dr. Ibrahim Dincer will tell potent and effective layout offerings, whereas emphasizing the pivotal function of latest methodologies and types for functionality overview of current platforms. This particular source gathers info from thermodynamics, fluid mechanics, warmth move, and effort process layout to supply a single-source advisor to fixing useful energy engineering problems.

  • The purely whole resource of information in general array of a number of output thermodynamic cycles, masking the entire layout recommendations for environmentally-conscious mixed construction of electrical energy, warmth, and refrigeration
  • Offers an important guideline on knowing extra potency in conventional strength new release structures, and on enforcing renewable applied sciences, together with sun, hydrogen, gasoline cells, and biomass
  • Each cycle description clarified via schematic diagrams, and associated with sustainable improvement eventualities via unique strength, exergy, and potency analyses
  • Case reports and examples reveal how novel platforms and function evaluation equipment functionality in practice

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Thermodynamic analysis is generally based on four types of balance equations which will be presented here in detail. These are mass balance equation (MBE), energy balance equation (EBE), entropy balance equation (EnBE) and exergy balance equation (ExBE). 1 Mass Balance Equation The effect of mass addition or extraction on the energy balance of control volume is proportional with the “mass flow rate,” defined as the amount of mass flowing through the cross section of a flow stream per unit of time.

Instead of assuming a fuel cell as previously, the control volume will function as an electrolysis cell supplied with liquid water. It is easy to demonstrate that the chemical exergy of water can be calculated with f 0 ch ch exch H2 O ¼ D gH2 O + 0:5exO2 + exH2 ¼ À237:12 + 0:5 Â 3:92 + 236:12 ¼ 0:96kJ=mol A general equation for the chemical exegy calculation of any chemical compound can be derived from the example above for water chemical exergy. In order to determine the chemical exergy of a compound, one must know its standard Gibbs free energy of formation, Dfg0.

14. Calculate chemical exergy of octane based on standard exergy of the elements. 15. Write balance equations for a building wall assuming that exterior temperature is 5  C, interior temperature is 25  C, the wall thermal conductivity is 1 W/mK, the heat transfer coefficient is 10 W/m2K on both sides. Calculate the entropy generation and exergy destruction per unit of wall surface. 16. Does an exergy analysis replace an energy analysis? Describe any advantages of exergy analysis over energy analysis.

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