area velocity relations in one dimensional isentropic flow

... Emulsions - Slurry Mixtures Sinking Velocity of Particles, and Critical Velocity of Flow 1-3-1 Sinking or Terminal Velocity of Particles 1-3-2 Critical Velocity of Flows Density of a Slurry Mixture ... found in nature as soils or may be created by the processes of crushing, milling, and grinding For applications such as dredging, natural soils are pumped without any crushing or grinding For mining ... according to their sinking rates in water Wet classifiers are used with grinding and may include rubber-lined or ceramic cyclones (called hydrocyclones) and spiral mechanical classifiers The principle...

Ngày tải lên: 02/04/2014, 14:55

... buying inflows to reduce the NOFP Nonetheless, in certain cases involving large one- off inflows of FDI, the SARB may have sufficient prior information to make an assessment as to whether the inflow ... privatization proceeds or inflows associated with the restructuring of De Beers’ shareholdings Interaction with other flows Even if the SARB knew that a particular inflow was not going to be reversed, ... of reducing the NOFP Not surprisingly, the SARB has chosen not to pursue this option Option 2: Identifying “cool” capital inflows Rather than stepping into the market on a regular basis, one option...

Ngày tải lên: 24/10/2012, 09:11

... Nguyễn Tấn Bình 25 Calculating Cash Flows from Investing and Financing Activities (cont.) The main idea of investing and financing activities is the position of investments in fixed assets, and the ... sheet for investing and financing activities: An increase in cash (an inflow) from: An increase in liabilities or owners’ equity A decrease in non-cash assets A decrease in cash (an outflow) from: ... operating Depreciation Increase in Accounts Receivable Increase in Inventory Increase in Accounts Payable Increase in Salaries Payable Net Impact (increase and decrease) Net Cash Flow from Operating...

Ngày tải lên: 26/10/2013, 17:15

... 2005-2006 Principles of accounting Lecture Cash flow concept Conventions on cash flows: Inflows, or receipt flows Outflows, or disbursement flows Net Cash Flows = Inflows – Outflows Total net cash flows ... accounting Lecture Cash flows from investing and financing • Only one method to prepare cash flows from investing and financing: the direct method • Shows the actual disbursement and receipt flows ... Tan Binh Nguyễn Tấn Bình 14 Fulbright Economics Teaching Program 2005-2006 Principles of accounting Lecture Cash flow from financing • Disbursement flows into and receipt flows from financing...

Ngày tải lên: 26/10/2013, 17:15

... cash flows using the indirect method Investing and Financing Activities Investing and Financing Activities Retained earnings increased $116,000 during the year This increase can be explained ... statement of cash flows using the indirect method Investing and Financing Activities Investing and Financing Activities The additional information notes that the increase in common stock resulted ... statement of cash flows using the indirect method Investing and Financing Activities Investing and Financing Activities The additional information explains that the equipment increase resulted...

Ngày tải lên: 15/12/2013, 20:24

... time Investment appraisal criteria help us in analyzing capital budgeting decisions by aggregating the multitude of cash flows into one number But which cash flows? If we decide to make a component, ... constraints, and we need to take care of these in addition to the rationing constraint 6.13 Determination of Cash Flows in the NPV analysis When we examined an investment proposal we were interested ... undertaken In this section we show how cash flows are related to accounting numbers and taxes Define the net cash flow generated by certain assets as: Net Cash Flow = Cash Inflow - Cash Outflow =...

Ngày tải lên: 08/05/2014, 10:11

... of Cash Flows (Indirect Method) Year Ended December 31, 2005 (Thousands) Net cash inflows from operating activities Net Cash outflow from investing activities Net Cash inflow from financing activities ... of Cash Flows • A business may be evaluated in terms of three types of business activities: Operating activities Investing activities Financing activities Operating Activities Operating activities ... to the business Investing activities are related to the Long-Term Asset accounts Financing Activities These are transactions involving obtaining resources from the owners or returning resources...

Ngày tải lên: 19/06/2014, 18:20

... means for the flow to adjust gradually Pressure, velocity, and temperatures change abruptly, causing severe fatigue and component destruction in military aircraft and engine turbines This problem ... important to determine the ultimate height of water resulting from a dam break or the insertion of a bridge in a fast-flowing river The compressible Euler equations describe these flow fields and ... turbine engines used on many crafts The shock is formed as the flow passes from supersonic to subsonic or, in the case of an oblique shock, as the result of a geometric transition in supersonic flow...

Ngày tải lên: 21/06/2014, 22:20

... method used in this model by showing how it relates in 1-D to the decoupled linearized equations using the Riemann Invariants as the routed variables The 1-D shallow-water equations in conservative ... vector splitting proposed by Steger and Warming (1981) In the finite elements community, instead of one- sided differences the test function is weighted upstream This particular method in 1-D is ... performed to define Shock Capturing In the section, "Shock equations," in Chapter we have shown that unless there is a discontinuity in depth, mechanical energy will be conserved in the shallow-water...

Ngày tải lên: 21/06/2014, 22:20

... subscript s indicates the value in the shock vicinity The a and a, are the weighting of the Petrov-Galerkin contribution throughout the domain and in the shock vicinity, respectively With Manning's ... equations in reproducing actual flow problems The applicability of the shallow-water equations to these flume conditions is not so important in this study (since it is interested in shock capturing), ... test consists of setting a supercritical flow in a long channel, closing the downstream end, and calculating the speed of the jump that forms and propagates upstream The initial conditions for...

Ngày tải lên: 21/06/2014, 22:20

... Figure 20 Error in model shock speed with grid refinement for = 1.5 Figure 21 Relative error in model shock speed with grid refinement for at = 1.5 Chapter Testing Chapter Testing The numerical ... grid is shown in Figure 23, and contains 698 elements and 811 nodes This grid was reached by increasing the resolution until the results no longer changed The most critical reach is in the region ... close if one notices that the initial elevation of the flume data is supposed to be 0.0762 m and it appears to be recorded as much as 0.015 rn higher at some gages Since the velocity is initially...

Ngày tải lên: 21/06/2014, 22:20

... from the beginning of the converging walls will tend to cancel the negative wave originating at the point where the walls change back to parallel The heights of the water surface are indicated ... Figures 35-42 The condition a = is, in fact, the Galerkin case since the Petrov-Galerkin contribution is included through a The Galerkin approach is shown to contain a steadystate spurious mode due ... * indicates nondimensional quantities and o as a subscript indicates a constant, and These equations can be diagonalized by defining a new variable such that P : A ~ P , where Chapter Testing...

Ngày tải lên: 21/06/2014, 22:20

... "Free-surface flow over curved surfaces," Ph.D diss., University of Texas at Austin Berger, R C., and Winant, E H (1991) "One dimensional finite element model for spillway flow. " Hydraulic Engineering, ... theoretical framework for Petrov-Galerkin methods with discontinuous weighting functions: Applications to the streamline-upwind procedures." Finite Elements in Fluids R H Gallagher, et al., ed., ... High -velocity flow in open channels: A symposium Transactions ASCE, 116, 326-346 Katopodes, N D (1986) "Explicit computation of discontinuous channel flow, " Journal of Hydraulic Engineering,...

Ngày tải lên: 21/06/2014, 22:20

... values Pertaining to a general phase or component, A Pertaining to the bulk Pertaining to a general phase or component, B Value in the bubble Pertaining to the continuous phase or component, C Critical ... Pertaining to the gas phase or component Components of vector Q Components of tensor Q Pertaining to the liquid phase or component Maximum value of Q Pertaining to a general phase or component, ... Pertaining to the oxidant Component in the r direction A surface, system or shock value Pertaining to the solid particles Pertaining to the vapor phase or component Value at the wall Component in...

Ngày tải lên: 27/06/2014, 05:20

... Noncash Investing and Financing Activities Significant investing and financing transactions not involving cash also are reported Acquisition of equipment (an investing activity) by issuing a long-term ... or infrequent—but not both— are included as a separate item in continuing operations 4-33 Accounting Changes Type of Accounting Change Definition Change in Accounting Principle Change from one ... of operating and nonoperating income and their relationship to earnings quality 4-15 Operating Income and Earnings Quality Should all items of revenue and expense included in operating income be...

Ngày tải lên: 29/06/2014, 03:20

... between the particles acting during the impact event as def In = δt t+δt t In dt = mi (vin (t + δt) − vin (t)) − E in δt (2.19) In particular, as will be done later in the analysis, when we ... potential function for a single particle, in one- dimensional motion, representing the motion in the normal direction, attracted to and repulsed from a point ro , measured by the coordinate r, V = α1 α2 ... − vin (t + δt) + ij (t + δt1 , t + δt) , vin (t) − vj n (t) + ij (t, t + δt1 ) (2.13) 11A common normal velocity for particles should be interpreted as indicating that the relative velocity in...

Ngày tải lên: 06/08/2014, 01:21

... positioned particles in a cubical domain with dimensions D ×D ×D During the simulation, if a particle escapes from the control volume, the position component is reversed and the velocity component ... tive kinetic energy in the system, is dramatically different with increasing severity of the near-field forces.22 Notice that the kinetic energy per unit mass is nonmonotone when the near-field interactions ... (4.38) Thus, in the preceding numerical examples, when we kept the ratio α1 constant, but in 2 creased α1 (while keeping m constant), we were effectively increasing the “stiffness” in the system...

Ngày tải lên: 06/08/2014, 01:21

... example, in many processes, intentional charging and heating of particulates, such as those in inkjet printers, is critical Thus, in addition to the calculation of the dynamics of the particles in ... particles are very close to one another, leading to increased repulsion or attraction Of specific interest in this work is interparticle binding leading to clustering and agglomeration (Figure 7.1) A ... combinations of the parameter set components of the parents’ genetic strings; and (e) the worst-performing genetic strings are eliminated, new replacement parameter sets (genetic strings) are introduced...

Ngày tải lên: 06/08/2014, 01:21