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Upscaling Multiphase Flow in Porous Media - From Pore to Core and Beyond-D.B. Das S.M. Hassani

Upscaling Multiphase Flow in Porous Media - From Pore to Core and Beyond-D.B. Das S.M. Hassani

... Trang 2UPSCALING MULTIPHASE FLOW IN POROUS MEDIATrang 3Upscaling Multiphase FlowUtrecht University, The Netherlands Part of this volume has been ... Effects in Multiphase Flow: A Porescale Network Approach Upscaling of Two-Phase Flow Processes in Porous Media Hartmut Eichel, Rainer Heling, Insa Neuweiler and Olaf A Cripka 237–257 Trang 7Multiphase ... 2004, Dynamic Effects in Multiphase Flow: A Pore-Scale Network Approach Kluwer Academic Publisher. Gray, W and Hassanizadeh, S.: 1991a, Paradoxes and Realities in Unsaturated Flow Theory, Water Resour

Ngày tải lên: 05/05/2018, 14:19

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Mechanistic Modeling of Multiphase Flow in Subsea Pipeline of Oil Field X for Wax Deposition Prediction

Mechanistic Modeling of Multiphase Flow in Subsea Pipeline of Oil Field X for Wax Deposition Prediction

... Viscosity 14 2.2 Multiphase-Flow In Subsea Pipeline 15 2.2.1 The Main Parameter of Multiphase-Flow 15 2.2.2 Flow Regimes in Pipeline 16 2.2.3 Pressure Drop Along Multiphase Flow Pipeline 17 ... from Annular flow In annular flow, the gas flows along the center of the pipe and liquid flows as a film around the pipe wall Transition from annular flow to churn flow (or slug flow) will occur ... horizontal flow [12] 2.2.2.2 Flow Regimes in Vertical Pipe Flow regimes observe in vertical pipe are illustrated in Figure 2-4 Flow patterns created in vertical conduit are: Bubble flow: Bubble flow

Ngày tải lên: 17/06/2023, 11:03

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truy xuất cơ sở dữ liệu trong ACTIVE sever page.pdf

truy xuất cơ sở dữ liệu trong ACTIVE sever page.pdf

... Trang 1CHƯƠNG 3 : TRUY XUẤT CƠ SỞ DỮ LIỆU TRONG ACTIVESERVER PAGE Ở phần trên chúng ta đã biết về các khái niệm tổng quát về Active Server Page và các thành phần cần có khi xây dựng một ứng dụng.Trong ... giữa ADO và các thành phần khác trong hệ thống có thể được mô tả theo hình vẽ sau: Active Server Pages ODBC Driver Active Database Component Active Data Object Data Provider Interface DATA Trang ... component sử dụng trong ASP: Ta có thể tạo một component để sử dụng trong môi trường Active Server Pages, bằng bất cứ ngôn ngữ lập trình nào hổ trợ cho việc tạo Automation Server Các ngôn ngữ có

Ngày tải lên: 25/08/2012, 11:30

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Tự học Front Page 2000

Tự học Front Page 2000

... an HTML Document 19 Document Structure 20 Page Properties, Background 24 FrontPage Tip 24 Page Properties, Margins 25 Page Properties, Custom 26 Page Properties, Language 27 Inserting Elements ... the same page or to a new page altogether When you interlink a large number of pages of text on different computers all over the world, you get a spider web-like system of links and pages This ... your web page As well you want to avoid progressive jpegs and large images, as they will increase your web page’s download time Trang 33Page Properties – Margins TabThe Margins tab in the Page Properties

Ngày tải lên: 30/08/2012, 09:54

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Tối ưu hóa On-Page

Tối ưu hóa On-Page

... Tối Ưu Hóa On-Page Định Nghĩa: SEO On-Page trình xử lý tối ưu trang nội dung website  Cách Chọn Domain Tốt Cho SEO    ... Thành Phần Trong Trang Web Thẻ Title (Bao gồm title trang, title link, title ảnh):  Tiêu đề trang (page title): Code: Tiêu đề ví dụ       Định dạng tối ưu: Từ khóa - Từ khóa thứ | Tên thương ... Tạo anchor text có từ khóa liên quan đến trang khác  Google đếm anchor text trang trùng target page Tối Ưu Cấu Trúc Website  Xây dựng website theo cấu trúc Silo, flat  Chiều sâu link: Khơng

Ngày tải lên: 18/01/2013, 15:02

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Nghiên cứu xây dựng một trang bán sách trên Internet dựa trên công nghệ Active Server Page (ASP )

Nghiên cứu xây dựng một trang bán sách trên Internet dựa trên công nghệ Active Server Page (ASP )

... nào có hỗ trợ ISAPI CH ƯƠNG II NG III ACTIVE SERVER PAGEs (ASP) I TỔNG QUAN VỀ ASP ( ACTIVE SERVER PAGES) 1 Khái niệm ASP (Active Server Pages) ASP là môi trường kịch bản trên máy server (server-side ... dựa trên công nghệ Active Server Page (ASP )”. Trong đề tài này, em tìm hiểu các thông tin về thương mại điện tử trênInternet, lập trình ASP - Active Server Page, để giải quyết một số vấn đề ... cộng 2 số, sau đó trả lại kết quả cho browser bằng một trangHTML Trang 213 ASP - Active Server Pages Ta sử dụng ASP để thêm trực tiếp các lệnh script có thể được thực thi vàotrong các file HTML

Ngày tải lên: 27/04/2013, 08:33

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9 điều phải có cho một landing page hoàn hảo

9 điều phải có cho một landing page hoàn hảo

... landing page hoàn hảo [Part 2] Trang 2Những tips hoàn hảo cho một landing page để tối đa hóa lượng conversion rate, tại sao không? (tiếp) 3 Loại bỏ hoặc giới hạn sự di chuyển Một landing page ... vào giá trị: Trang 7Đừng tạo ra landing page chỉ để download một tờ giấy đơn thuần mà hãy biến nó thành một tờ giấy có giá trị Đừng sử dụng landing page chỉ với: “Liên hệ chúng tôi”, hãy thêm ... càng cao BONUS: Làm cho landing page của bạn có thể share dễ dàng: Trang 10Điều này là không bắt buộc nhưng nó có thể tăng thêm lượng khách truy cập đến với landing page Ví dụ như share links trên

Ngày tải lên: 12/08/2013, 22:14

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Undaria pinnatifida Habitat Loss in Relation to Sea Urchin Grazing and Water Flow Conditions, and Their Restoration Effort in Ogatsu Bay, Japan

Undaria pinnatifida Habitat Loss in Relation to Sea Urchin Grazing and Water Flow Conditions, and Their Restoration Effort in Ogatsu Bay, Japan

... Trang 1Undaria pinnatifida Habitat Loss in Relation to Sea Urchin Grazing and Water Flow Conditions, and Their Restoration Effort in Ogatsu Bay, Japan Hitoshi TAMAKI*, Keisaku KUSAKA**, ... comparative study on the distribution of U pinnatifida and other macrophytes, bottom sediments, flow regime and density of sea urchin between the inner and outer areas of the Bay We also performed ... -11.7 Sediment composition (%) Bed rock Percentage covers of algae and seagrass (%) Effect of water flow on the feeding behavior of sea urchin Evidence has led investigators to suggest that grazing

Ngày tải lên: 05/09/2013, 09:38

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Inactivation of microorganisms in untreated water by a continuous flow system with supercritical CO2 bubbling

Inactivation of microorganisms in untreated water by a continuous flow system with supercritical CO2 bubbling

... was 10 MPa, sample flow rates were 2.5, 5.0 and 15 ml/min, CO2 flow rates Trang 3CO2/sample flow rate was calculated as follows: CO2/sample flow rate = CO2 flow rate/sample flow rate ×100 valve ... treatment conditions: temperature 35°C, pressure 10 MPa, CO2 flow rate 4.0, 6.0, 8.0 and 10 g/min, sample flow rate 15 ml/min, CO2/sample flow rate 27, 40, 53 and 67%, exposure time 13 min * not ... temperature 35(◆), 45(■) and 55°C(▲), pressure 10 MPa, CO2 flow rate 10 g/min, sample flow rate 2.5, 5.0 and 15 ml/min, CO2/sample flow rate 67, 200 and 400%, exposure time 13, 40 and 80 min

Ngày tải lên: 05/09/2013, 09:38

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Nitrogen Dynamics and Biomass Production in a Vertical Flow Constructed Wetland Cultivated with Forage Rice and their Mathematical Modeling

Nitrogen Dynamics and Biomass Production in a Vertical Flow Constructed Wetland Cultivated with Forage Rice and their Mathematical Modeling

... types, i.e., the free water surface flow (FWSF) and the sub-surface flow (SSF) types, with the latter including the horizontal sub-surface flow (HSSF) and vertical flow (VF) types (Zhou and Hosomi, ... 184-8588, Japan ABSTRACT Forage rice has high potential to produce biomass, and the vertical flow (VF) constructed wetland in which forage rice is cultivated is one of the effective ways to ... supply were simulated with the proposed model Keywords: forage rice, nitrogen dynamics, vertical flow wetland INTRODUCTION Excess nutrient loading in a water environment causes various problems

Ngày tải lên: 05/09/2013, 09:38

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CFD model of air movement in ventilated façade: comparison between natural and forced air flow

CFD model of air movement in ventilated façade: comparison between natural and forced air flow

... Issue 3, 2013 pp.357-368 Journal homepage: www.IJEE.IEEFoundation.org CFD model of air movement in ventilated faỗade: comparison between natural and forced air flow Miguel Mora Pérez, Gonzalo López ... faỗade and it reduces its temperature by natural ventilation flows The proposed paper aims to quantify the action of accelerating the air flow in a forced way The proposed method allows an assessment ... research uses computational and mathematical models of flowing fluids to describe and predict fluid response in problems of interest, such as the flow of air around a building CFD is presented as

Ngày tải lên: 05/09/2013, 14:58

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Effect of periodic suction on three dimensional flow and heat transfer past a vertical porous plate embedded in a porous medium

Effect of periodic suction on three dimensional flow and heat transfer past a vertical porous plate embedded in a porous medium

... of the flow field near the plate upto a certain distance and thereafter the flow behaviour reverses 3 An increase in suction parameter/Reynolds number increases the temperature of the flow field ... dimensional flow of a viscous incompressible fluid past an infinite vertical porous plate embedded in a porous medium The governing equations for the velocity and temperature of the flow field ... Keywords: Heat transfer, Periodic suction, Porous medium, Three dimensional flow, Vertical plate 1 Introduction Flow problems through porous media over a flat surface are of great theoretical

Ngày tải lên: 05/09/2013, 14:58

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Modeling flow inside an anaerobic digester by CFD techniques

Modeling flow inside an anaerobic digester by CFD techniques

... characteristic mixing parameters: the relative volume of the flow-through region, and the ratio of the internal exchange flow rate to the feed flow rate for evaluating the digestion performance In this ... and models predicted the observed flow pattern in the digester Through building a CFD to the flow inside this anaerobic digester, hydraulic behavior of the inside flow has been represented and an ... simulation has been performed for a particular anaerobic digester, in order to visualize the flow patterns Flow and velocities profiles have been represented inside the digester to identify possible

Ngày tải lên: 05/09/2013, 14:59

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Finite time exergoeconomic performance optimization for an irreversible universal steady flow variable-temperature heat reservoir heat pump cycle model

Finite time exergoeconomic performance optimization for an irreversible universal steady flow variable-temperature heat reservoir heat pump cycle model

... Issue 6, 2010 pp.969-986 Journal homepage: www.IJEE.IEEFoundation.org Finite time exergoeconomic performance optimization for an irreversible universal steady flow variable-temperature heat reservoir ... ideal gas and flows through the system in a quasi-steady fashion The cycle consists of two heat-absorbing branches (1-2 and 2-3) with constant working fluid thermal capacity rates (mass flow rate ... variable-temperature heat reservoir steady flow Brayton heat pump cycle with the losses of heat-resistance and internal irreversibility Trang 8(2) When C wf1=C wf2 = &mC v (mass flow rate m& of the working

Ngày tải lên: 05/09/2013, 15:28

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Natural convection unsteady magnetohydrodynamic mass transfer flow past an infinite vertical porous plate in presence of suction and heat sink

Natural convection unsteady magnetohydrodynamic mass transfer flow past an infinite vertical porous plate in presence of suction and heat sink

... the flow past a vertical plate Bestman [6] analyzed the natural convection boundary layer flow with suction and mass transfer in a porous medium Pop et al [7] reported the conjugate MHD flow ... The velocity of the flow field suffers a substantial change in magnitude with the variation of the flow parameters The important parameters affecting the velocity of the flow field are magnetic ... decreases the transient temperature of the flow field at all points while the heat source parameter reverses the effect The concentration distribution of the flow field suffers a decrease in boundary

Ngày tải lên: 05/09/2013, 15:28

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An experimental investigation of heat transfer and fluid flow in a rectangular duct with inclined discrete ribs

An experimental investigation of heat transfer and fluid flow in a rectangular duct with inclined discrete ribs

... belonging to the secondary flow and partly belonging to the main flow through the gap As a result of the presence of gap, the secondary flow along the rib joins the main flow to accelerate it which ... secondary flow through the gap Further presence of some of the high velocity vectors just behind the rib confirm the enerzization of retarded main flow due to release of secondary flow through ... developed flow and heat transfer in coolants with channels with 45 degree ribs”, Int Journal of Heat and fluid flow, 20, 311-319, 1999 [11] Xiufang and Sudden Bengt “PIV measurement of flow field

Ngày tải lên: 05/09/2013, 16:10

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Hydromagnetic convective flow past a vertical porous plate through a porous medium with suction and heat source

Hydromagnetic convective flow past a vertical porous plate through a porous medium with suction and heat source

... velocity of the flow field at all points due to the action of free convection current in the flow field Figure 4 analyzes the effect of heat source parameter on the transient velocity of the flow field ... transient velocity of the flow field at all points 4.2 Temperature field The temperature of the flow field suffers a change in magnitude with the variation of the flow parameters suchasPrandtl ... the flow field at all points Figure 6 depicts the effect of magnetic parameter on the temperature of the flow field The effect of magnetic parameter is to decrease the temperature of the flow

Ngày tải lên: 05/09/2013, 16:10

12 431 0
Intake manifold design effect on air fuel mixing and flow for an LPG heavy duty engine

Intake manifold design effect on air fuel mixing and flow for an LPG heavy duty engine

... the flow characteristics of air flowing in various designs of air-intake manifold of a 200-cc four-stroke engine Go- Kart engine The study is done by three dimensional simulations of the flow ... this research aims at the 3D numerical analysis of flow in two manifold geometries using a CFD code FloWorks is chosen for its capabilities flow analysis for both in gas and liquid simultaneously ... turbulence flow model In the 3D manifolds model, air-fuel mixture is defined as compressible fluid The standard k-ε model is utilized to solve the flow problem inside the manifolds FloWorks solves

Ngày tải lên: 05/09/2013, 16:30

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High-Level Design Flow

High-Level Design Flow

... Trang 111 High-Level Design Flow This chapter describes the design flow used to create com-plex FPGA and ASIC devices The designer starts with ... correct in terms of function and timing The high-level design flow is shown in Figure 11-1 The first step in a high-level design flow is the design specification process This process involves ... Place and Route Post Layout Timing Simulation Static Timing Analysis Figure 11-1 High-Level Design Flow. After the specification has been completed, the designer or designers can begin the process

Ngày tải lên: 29/09/2013, 19:20

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Controlling Program Flow

Controlling Program Flow

... flow of execution.deci-The three basic types of flow control are the ifstatement, the loop, and thejump I describe one of the looping controls, the foreach, in Chapter 6 Controlling Program Flow ... processor is its ability to make sions When I say “make decisions,” I mean the processor sends the flow ofexecution down one path of instructions if a condition is true or downanother path if the ... Trang 1Chapter 5 Controlling Program FlowIn This Chapter Making decisions ifyou can Deciding what elseto do Looping without going

Ngày tải lên: 04/10/2013, 21:20

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