10economic analysis of thermal systems

... Department of Animal and Aquacultural Studies of the Norwegian University of Life Sciences Economic analysis of Recirculating Aquaculture Systems (RAS) in the production of tilapia has been the focus of ... AQUACULTURE AT An Economic Analysis of the use of Recirculating Aquaculture Systems in the Production of Tilapia FRANK APPIAH-KUBI Main Supervisor Professor Hans Magnus Gjøen Department of Animal and Aquaculture ... ECONOMIC ANALYSIS OF THE USE OF RECIRCULATING SYSTEMS IN THE PRODUCTION OF TILAPIA FRANK APPIAH-KUBI Department of ANIMAL AND AQUACULTURAL SCIENCES Master Thesis 30 credits 2012 MASTER OF SCIENCE

Ngày tải lên: 27/09/2019, 10:17

... extraction-based separation systems Methods:  The evaluation was performed under similar assumptions through simulation in Aspen Plus V7.3® software Two end distillation systems (number of non-ideal stages ... The efficiencies of recovery systems for baseline case and ideal evaluation were 0.53–0.57 and 0.81–0.84, respectively Conclusions:  The main advantages of DSD were the operation of the regeneration ... process; hence, the productivity of reactor does not improve The regeneration of the salt is the main disadvantage of the salting-out process Due to the low concentrations of butanol, in salting-out

Ngày tải lên: 19/03/2023, 15:14

... Sensitivity Analysis 143 Sensitivity Analysis 143 Switching Values 145 Selection of Variables and Depth of Analysis 146 Presentation of Sensitivity Analysis 147 Shortcomings of Sensitivity Analysis ... “Economic Analysis of Investment Operations is the kind of book that should be read by the technicians who do the nitty-gritty work of real-world project analysis. But it is also the kind of book ... of environmental externalities and integrating them into the economic analysis of projects One of the main differences between financial and economic analysis is the treatment of

Ngày tải lên: 28/06/2014, 17:20

... Thermal Systems 610 11.2 Additional Constraints 621 11.3 Professional Ethics 623 11.4 Sources of Information 625 11.5 An Overview of Design of Thermal Systems ... modeling of systems is a particularly important aspect of design, though it is often neglected Modeling is presented with a wide range of physical examples and a discussion of the types of approximations ... design and optimize thermal systems has also grown In mechanical engineering programs around the country, courses have been developed on the design of thermal systems These are often elective courses,

Ngày tải lên: 06/08/2014, 15:20

... be followed by a consideration of systems, components, and subsystems The basic nature of thermal systems will be outlined, and examples of different types of systems will be presented from many ... application of these ideas to the optimization of thermal systems is reiterated with examples of actual, practical systems The material presented in this textbook is the outcome of many years of teaching ... However, many of the basic concepts presented here are also applicable to other types of systems such as Design and Optimization of Thermal Systems those arising in different fields of engineering,

Ngày tải lên: 06/08/2014, 15:20

... sciences alone 1.3.2 ANALYSIS The analysis of thermal systems is often complicated because of the complex nature of fluid flow and of heat and mass transfer mechanisms that govern these systems As a ... overall focus of the book is on the design of thermal systems, which may range from very simple systems consisting of a small number of parts to complex systems that have a large number of components ... the design and optimization of thermal systems, several examples of which have been given in the preceding section The importance of thermal systems in a wide range of applications makes its essential

Ngày tải lên: 06/08/2014, 15:20

... on/off mechanism is often used with the designed thermal system to maintain the desired temperature levels 58 Design and Optimization of Thermal Systems 2.2 CONCEPTUAL DESIGN At the very core of ... information and understanding of thermal processes and systems The synthesis of information from a variety of sources plays an important part in the development of an acceptable design With this ... because of safety concerns in an industrial system An oil furnace may be developed instead of a gas furnace for the same reason 56 Design and Optimization of Thermal Systems The formulation of the

Ngày tải lên: 06/08/2014, 15:20

... Royalties are paid, usually as a percentage of the profit, to the holders of the patent A fixed sum of money may also be 94 Design and Optimization of Thermal Systems 74 10 19 47 31 29 44 18 46 49 ... complicated systems Similar considerations apply in the development of models for other thermal systems 2.3.3 SIMULATION Simulation is the process of subjecting the model for a given thermal system ... Turbine FIGURE 2.18 The main subsystems that combine to make up a power plant 78 Design and Optimization of Thermal Systems The mathematical models derived for thermal systems are generally implemented

Ngày tải lên: 06/08/2014, 15:20

... the usefulness of a CAD system However, because of the complexity of typical thermal systems and processes, such CAD systems are often limited to the design of relatively simple systems and equipment ... incompressible Several other thermal properties such as the coefficient of linear thermal expansion, heat of sublimation, and thermal- shock resistance are also of interest in thermal systems All these properties ... selection of the type of material, narrowing of the available choices, and final selection of an appropriate material 2.6 SUMMARY This chapter presents the basic features of design of thermal systems

Ngày tải lên: 06/08/2014, 15:20

... of predictive models that are of interest in the design and optimization of thermal systems These are: Analog models Mathematical models Physical models Numerical models Modeling of Thermal Systems ... capable of removing 15 kW of energy from the engine of the car at a speed of 80 km/h and ambient temperature of 35°C The system consists of the radiator, fan, and flow arrangement The dimensions of ... problem 128 Design and Optimization of Thermal Systems Best fit Best fit Exact fit FIGURE 3.2 Examples of curve fitting in thermal processes The validation of the model developed for a given system

Ngày tải lên: 06/08/2014, 15:20

... of Thermal Systems 147 a set of simultaneous ordinary differential equations arise For instance, the temperatures T1, T2, T3, , Tn of n components of a given system are governed by a system of ... design of such heat exchangers are discussed in Chapter 152 Design and Optimization of Thermal Systems Example 3.3 In the design of a hot water storage system, it is given that a steady flow of ... for other similar systems in the future Modeling of Thermal Systems 163 The following example illustrates the main aspects for the development of a mathematical model for a thermal system Example

Ngày tải lên: 06/08/2014, 15:20

... Optimization of Thermal Systems experimental results and simplified analysis are often used to avoid solving the full convective heat transfer equations because of the complexity of the resulting ... and Optimization of Thermal Systems Number of iterations 200 100 opt 1.0 1.5 2.0 Relaxation factor FIGURE 4.3 Typical variation of the number of iterations needed for convergence of a linear system ... modeling of thermal systems leads to different types of governing equations Among the most common ones are Set of linear algebraic equations Single nonlinear algebraic equation Set of nonlinear...

Ngày tải lên: 06/08/2014, 15:20

... programming is of greater interest in thermal systems, particularly in networking of channels for material and fluid flow However, it is still of limited use in the optimization of common thermal systems ... dealing with thermal systems, an important consideration is the second law of thermodynamics, which brings in the concepts of entropy and maximum 456 Design and Optimization of Thermal Systems useful ... exergy analysis and the use of the second law of thermodynamics for the optimization of thermal systems; see, for instance, Bejan (1982, 1995) and Bejan et al (1996) Similar to the conservation of...

Ngày tải lên: 06/08/2014, 15:21

... 413–415 of benefits/costs, 417 example calculation, 399 of lumped sum at future date, 402 net, 417 of series of increasing amounts, 402 715 of series of uniform amounts, 402 of uniform series of amounts, ... 391–392 of bond investments, 406 of lumped sum at present, 402 packaging facility example, 404, 405 of series of increasing amounts, 402 of series of uniform amounts, 402 with shift in time, 402 of ... 21 Thermal similarity, in physical models, 178–179 Thermal systems, 1, 19 acceptable design of, 299–300 aerospace systems, 33 air conditioning, refrigeration, and heating systems, 33–38 Index analysis, ...

Ngày tải lên: 06/08/2014, 15:21

... Financial Intermediation Asymmetric Information Conflicts of Interest • Conflicts of Interest is a type of moral hazard problem caused by economies of scope • Arise when an institution has multiple objectives ... impermissible audit Conflicts of Interest: Remedies II • Sarbanes-Oxley Act of 2002 (cont’d) – Beefs up criminal charges for white-collar crime and obstruction of official investigations – Requires ... Conflicts of Interest: Remedies I • Sarbanes-Oxley Act of 2002 (Public Accounting Return and Investor Protection Act) – Increases supervisory oversight to monitor and prevent conflicts of interest...

Ngày tải lên: 05/01/2014, 16:56

... reports’ Assessment of Risk Management • Greater emphasis on evaluating soundness of management processes for controlling risk • Focus is four elements of risk management – – – – Quality of oversight ... management – – – – Quality of oversight provided Adequacy of policies and limits Quality of the risk measurement and monitoring systems Adequacy of internal controls • Interest-rate risk limits – Internal ... provide information to consumers on the costs of borrowing (including a standardized interest rate) • Requires provision of information on the method of assessing finance charges • Requires that...

Ngày tải lên: 05/01/2014, 16:56

... problematic of solving linear systems of interval equations We will then introduce a new formulation of the problem, based on interval parameters which is adapted for the modeling of mechanical systems ... systems, and also evaluate the Interval Computations Applied to FEM amount of computations on simple discrete systems, as well as the accuracy of the solutions RESOLUTION OF INTERVAL LINEAR SYSTEMS ... point of view, and the others often encounter convergence problems Moreover, only the mean value and the moments (often the variance only) are known, and since the density of probability of the...

Ngày tải lên: 12/01/2014, 21:45

... different amounts of energy to raise the temperature of identical masses of different substances by one degree For example, we need about 4.5 kJ of energy to raise the temperature of kg of iron from ... 5-oz serving of a Bloody Mary contains 14 g of alcohol and g of carbohydrates, and thus 116 Calories A 2.5-oz serving of a martini contains 22 g of alcohol and a negligible amount of carbohydrates, ... variation of enthalpy of a substance with temperature Both the internal energy and enthalpy of a substance can be changed by the transfer of energy in any form, with heat being only one of them...

Ngày tải lên: 20/01/2014, 15:22

... number of recent empirical studies find a positive relationship between the conclusion of BITs and the amount of FDI flows The economic analysis of the functioning of BITs must first of all illuminate ... Economic Analysis of Bilateral Investment Treaties GABLER RESEARCH Ökonomische Analyse des Rechts Herausgegeben von Professor Dr Peter Behrens Professor Dr Thomas Eger Professor Dr Manfred Holler Professor ... either a manifestation of the detrimental or of the beneficial aspects of this competition The analysis shows that BITs contain elements of both aspects Furthermore, the findings of this chapter underline...

Ngày tải lên: 19/02/2014, 21:20

... Tax Rate Share of Income of Top 0.1% Share of Income of Top 0.1% Fitted values Fitted values Source: CRS analysis of Piketty and Saez data Note: The vertical axis is the share of total income ... Tax Rate Share of Income of Top 0.01% Share of Income of Top 0.01% Fitted values Fitted values Source: CRS analysis of Piketty and Saez data Note: The vertical axis is the share of total income ... Figure Shares of Total Income of the Top 0.1% and Top 0.01% Since1945 12 Figure Share of Total Income of Top 0.1% and the Top Tax Rates, 1945-2010 13 Figure Share of Total Income of Top 0.01%...

Ngày tải lên: 20/02/2014, 19:20