... stacked alternately and formed into a module. Modules may be used individually or joined with others to achieve the needed energy transfer capacity between fluids. The diffusion bonding process ... 5. Candidate materials for VHTR IHXs (Dewson and Li 2005) [...]... high temperature heat transfer applications were introduced and discussed in detail; (1) heat exchanger and 328 Developments ... thermosyphon 2.5.1 Surging (chugging) and geysering instability Surging and geysering occur mainly because of liquid superheat Surging occurs when boiling is initiated in the evaporator, but
Ngày tải lên: 19/06/2014, 10:20
... selected as the dielectric fluid in the present study 424 Developments in Heat Transfer The product of machining, the tiny debrtis should be removed from the machining zone in order ... minimum required volume for a thermocline tank using Eqs (1) and (3) 2 Choose a radius, R, and the corresponding height, H, from the minimum volume decided in step (1) Using... die-casting dies ... and moulds are made of hard materials to increase their lifetime The recent developments in cutting tools for turning and milling and the processes of high speed machining allow to machine
Ngày tải lên: 19/06/2014, 10:20
Developments in Heat Transfer Part 12 ppt
... electrode during machining of mild steel. 4. Wear ratio decreases with increase in current, but decreases with increase in gap voltage. The highest wear ratio was found during machining of aluminum ... and temperature history of alumina and copper particles injected into ITP torch and discussed the particle loading effects in argon induction plasma. In this chapter we shall discuss the in- flight ... spattered EDM surface layer, recast layer and Heat Affected Zone (HAZ). Recast layer consists of dielectric fluid, molten electrode and molten workpiece that are melted during EDM machining and
Ngày tải lên: 19/06/2014, 10:20
Developments in Heat Transfer Part 13 pptx
... temperature and heat flux for this case were obtained and demonstrated. The basic principle and design, data processing and the corresponding error analysis were described in detail. And the error ... hydrate formation rate can be increased drastically by adding low dose of suitable surfactants, such as sodium dodecyl sulfate (SDS) This kind of additives can enhance mass transfer involved ... of heat transfer in controlling the dissociation of hydrate 496 Developments in Heat Transfer 6 Heat transfer in hydrate bearing sediment 6.1 Heat effect during hydrate
Ngày tải lên: 19/06/2014, 10:20
Developments in Heat Transfer Part 14 pot
... conduction of the wick is ignored. The sodium should be heated to melt completely, from room temperature 25°C to the melting point 97.72°C. The solid working fluid inside heat pipe is assumed ... alkali metal is distilled and charged into the heat pipe. For sodium, after pumping the system and the vacuum is permitted, the distillation tank is heated to a certain temperature, in the mean ... surrounding heat sources directly, the high -heat conductivity material bypass the surrounding heat sources and then connect to the outer thermal edge, as shown in fig 6.(a) This kind of heat
Ngày tải lên: 19/06/2014, 10:20
Developments in Heat Transfer Part 16 ppt
... International Standards Organization (ISO 7730) and American Society of Heating, Refrigerating and AirConditioning Engineers (ASHRAE/55) standards, and the thermal human comfort defined based in operative ... and inclined underground openings d = (B + A)/2, where B is the width of the section (m) and A its height (m): Developments in Heat Transfer 596 . db kN d λ = (24) The relation of Dittus ... typical DTS system is depicted in Fig 4 614 Developments in Heat Transfer Fig 3 Diagram of Rayleigh, Brillouin, and Raman backscattering in. .. Underground Engineering and Applications of
Ngày tải lên: 19/06/2014, 10:20
Developments in Heat Transfer Part 17 pot
... (Colvin & Bryant, 1996) or were embedded into a coating compound and topically applied to a fabric (Bryant & Colvin, 1994) Shin et al., (2005) incorporated melamine-formaldehyde... thermo-regulating ... and in many applications to understand the interdependence between groundwater and surface water. Novel extensions of DTS methods include spatially distributed soil moisture estimation, detection ... F Rodríguez Department of Chemical Engineering/University of Castilla-La Mancha Spain 1 Introduction Nowadays, the attempts in the textile and clothing industry have moved towards more innovative
Ngày tải lên: 19/06/2014, 10:20
Developments in Heat Transfer Part 18 pptx
... by heatsink mounts on both ends with radially symmetrical side induction heaters, b) rod held by a heatsink along its length with end induction heater and c) end induction heated thin disk (dark) ... consider end heating of the thin disk with uniform radial distribution within a radius of r P of a disk attached to a heat sink. To enhance heat dissipation assumed is also a non-heating cap in ... does not contain a heat source. The non-heating end-cap conducts the heat generated in the rod. Assumed in the present model is an identical coefficient of thermal conductivity in the heating
Ngày tải lên: 19/06/2014, 10:20
báo cáo hóa học:" Mapping onto Eq-5 D for patients in poor health" docx
... Observed EQ- 5D Predicted McKenzie & Van der Pol Predicted Combined 95 -,17 ,98 ,71 ,24 87 -,18 1,00 ,75 ,24 82 -,11 1,05 ,75 ,23 Predicted Combined T=6 Observed EQ- 5D Predicted McKenzie & Van der ... observed that individuals who report ‘extreme problems’ on one of the five EQ-5 D dimensions receive overestimated utility... Predicted Combined T=2 Minimum 117 Predicted Combined T=1 N Observed ... Street, Sheffield S1 4DA, UK Authors’ contributions MV carried out statistical analysis and drafted the manuscript DR, JB and ES have been involved in interpreting the data and helped to draft the
Ngày tải lên: 20/06/2014, 15:20
Báo cáo lâm nghiệp: "A growth model for Pinus radiata D. Don stands in north-western Spain" doc
... accepted 20 December 2006) Abstract – A dynamic whole-stand growth model for radiata pine (Pinus radiata D. Don) stands in north-western Spain is presented. In this model, the initial stand conditions ... peuplements de Pinus radiata D. Don du nord ouest de l’Espagne. Un modèle dynamique de croissance de peuplement est présenté pour Pinus radiata D. dans le nord ouest de l’Espagne. Dans ce modèle, les ... [48,51,98]. In addition, model errors in inventory data may be magnified by individual-tree models but remain less al- tered by simpler models such as whole-stand models. In sum- mary, whole-stand models
Ngày tải lên: 07/08/2014, 16:21
Báo cáo khoa học: "Nutrient concentrations in Pinus radiata D Don needles in the Basque Country (Spain): preliminary classification of parameters and sites" pptx
... concentrations in Pinus radiata D Don needles in the Basque Country (Spain): a preliminary classification of parameters and sites JM Mesanza H Casado FJ Castillo 1 Departamento de Fisica ... Aplicada II, Facultad de Farmacia, Universidad del Pais Vasco, 01007 Vitoria; 2 Departamento de Producción Agraria, Universidad Publica de Navarra, 31006, Pamplona, Spain (Received ... carried out within the context of the EPOCA pro- gramme (Estudio en el Pirineo Occidental de la Contaminación Acida). This study in- cludes inventories of forest damage,
Ngày tải lên: 08/08/2014, 23:22
TCVN 6018 : 2007 ASTM D 524 04 SẢN PHẨM DẦU MỎ XÁC ĐỊNH CẶN CACBON PHƯƠNG PHÁP RAMSBOTTOM
... quang phổ). ASTM D 4175 Terminology Relating to Petroleum, Petroleum Products and Lubricants (Thuật ngữ liên quan về D? ??u mỏ và Sản phẩm d? ??u mỏ). ASTM D 4177 Practice for Automatic Sampling of Petroleum ... Petroleum and Petroleum Products (API MPMS Chapter 8.2) (D? ??u mỏ và sản phẩm d? ??u mỏ - Phương pháp lấy mẫu tự động). ASTM D 4530 Test method for Determination of Carbon Residue (Micro method) (Phương ... phẩm d? ??u mỏ - Phương pháp xác định thành phần cất ở áp suất khí quyển. TCVN 6324 (ASTM D 189) Sản phẩm d? ??u mỏ - Xác định cặn cacbon - Phương pháp Conradson. TCVN 6777 : 2000 (ASTM D 4057 - 95) D? ??u
Ngày tải lên: 17/10/2014, 19:36
Study of full counting statistics in heat transport in transient and steady state and quantum fluctuation theorems
... valuable discussions and suggestions I would like to thank my friends and seniors Dr Pradipto Shankar Maiti, Dr Tanay Paramanik, Dr Sabysachi Chakroborty, Dr Sadananda Ranjit, Dr Jayendra Nath Bandyopadhyay, ... thank Rajasree Das for her constant encouragement and caring attitude during my undergraduate studies I would like to thank all my JU and IITB friends and all those unmentioned friends, relatives,teachers ... important part in the journey of my PhD life here in NUS is to get myself involved in the spiritual path by listening to the lectures on Bhagavad Gita My deepest gratitude to Devakinandan Das, Niketa
Ngày tải lên: 08/09/2015, 19:39
An efficient and robust algorithm for incompressible flow and its application in heat transfer enhancement
... and Low H T., Numerical prediction of periodically developed fluid flow and heat transfer characteristics in the sinusoid wavy fin-and-tube heat exchanger Int J Numerical Methods for Heat and ... computational domain54 Figure 2.2 Grid generated in 2D complex enclosure…………………………… 54 Figure 2.3 Grid generated in 3D wavy fin-and-tube heat exchanger………… 54 Figure 2.4 Computational grid and the definition ... Sahin H.M., Dal A.R and Baysal E., 3 -D numerical study on the correlation between variable inclined fin angles and thermal behavior in plate fin-tube heat exchanger, Applied Thermal Engineering,
Ngày tải lên: 11/09/2015, 16:02
Đối chiếu các phương pháp xác định chỉ tiêu kỹ thuật của biodiesel và diesel của tiêu chuẩn ASTM D 975 và ASTM D6751
... Sulfur tổng ASTM D 5453 0,05 max % khối lượng Độ ăn mòn đồng ASTM D 130 No max Chỉ số cetane ASTM D 613 47 Điểm đục ASTM D 2500 Cặn Carbon ASTM D 4530 0,05 max % khối lượng Chỉ số acid ASTM D 664 0,8 ... Biodiesel, Nation Board Biodiesel định lấy ngày 10 tháng năm năm 2002 làm ngày Diesel sinh học Quốc tế (International Biodiesel Day) 1900 Hội chợ giới tổ chức Pari, Diesel biểu diễn động d ng d u ... quan diesel 1.2.1 Giới thiệu d u diesel [7] D u Diesel (DO – Diesel Oil) loại nhiên liệu lỏng, sản phẩm tinh chế từ d u mỏ có thành phần chưng cất nằm d u hoả (kesosene) d u bôi trơn (lubricating...
Ngày tải lên: 07/01/2014, 21:03
Đối chiếu các phương pháp xác định chỉ tiêu kỹ thuật của biodiesel và diesel của tiêu chuẩn ASTM D 975 và ASTM D6751
... LIỆU a Glycerin tự – Glycerin tổng_Cách xác định[8] Số dung d ch chuẩn Chuẩn bị dung d ch chuẩn theo bảng: l dung d ch gốc glycerin l dung d ch gốc monoolein l dung d ch gốc diolein 10 30 50 ... quốc tế 1900 Diesel biểu diễn động d ng d u Biodiesel chế biến từ d u lạc Rudolf Diesel (18/03/1858) Trong thập kỷ 90, Pháp triển khai sản xuất Biodiesel từ d u hạt cải Và d ng d ng B5 B30 1.1 ... Glycerin tự – Glycerin tổng_Cách xác định [8] Thành phần Chuẩn bị dung d ch gốc theo bảng: Glycerin 1-Mono [cis-9-octadecenoyl]racglycerol (monoolein) 1,3-Di [cis-octadecenoyl]glycerol (diolein)...
Ngày tải lên: 07/01/2014, 21:08
RAN D OM WALK IN RANDOM AND NO N- RAND OM ENVIRONMENTS h E C D N D E D I T I O N pdf
... Garden, London WC2H 9HE Library of Congress Cataloging -in- Publication Data Random walk in random and non-random environments / Pfll RCvCsz. 2nd ed p cm Includes bibliographical references and indexes ... semester and to drink quite a few beers with me there In fact I gave a seminar in Leiden, and the handout of that seminar can be considered as the very first version of this book I am indebted to Willem ... covered discs centered in the origin of Z2 24.2 Completely covered disc in iZ2 with arbitrary centre 24.3 Almost covered disc centred in the origin of Z2 24.4 Discs covered with...
Ngày tải lên: 06/03/2014, 19:20
Báo cáo khoa học: Structural diversity in lipopolysaccharide expression in nontypeable Haemophilus influenzae Identification of L-glycero -D-manno-heptose in the outer-core region in three clinical isolates potx
... 2 3 ND ND 1 3 3 ND ND Glycoform Relative abundanceb p 1209 1233 High Low Low Medium Medium – High – Medium Medium High High Medium Medium Medium Medium Medium Low Medium Medium Medium Medium ... ion mass distinction between reducing, nonreducing and internal fragments resulting from the bond ruptures [27], the topology could be determined for all compositions found in the MS profiling spectrum ... Hep3•PEtn1•AnKdo-ol and Hex4•Hep4•PEtn1•AnKdo-ol (Table 2) In order to obtain sequence and branching information, OS-1 was dephosphorylated and permethylated and subjected to ESI-MSn [27,28] Due to the increased...
Ngày tải lên: 08/03/2014, 08:20
Báo cáo khoa học: Vitamin D stimulates apoptosis in gastric cancer cells in synergy with trichostatin A ⁄sodium butyrate-induced and 5-aza-2¢-deoxycytidine-induced PTEN upregulation ppt
... in the VD3-induced apoptosis in gastric cancer cells indicated that vitamin D induced PTEN expression through binding of VDR to the PTEN promoter Vitamin D upregulated PTEN through VDR VDR synergistically ... cells, including those in myeloid leukemia, and breast, prostate, colon, skin and brain cancer [4– 8] Phosphatase and tensin homolog deleted on chromosome 10 (PTEN) was originally discovered in 1997 ... 5.84% with both NaBu and VD3 (Fig 4D) These results suggested that PTEN participated in the apoptosis induced by HDAC inhibitors, and that VD3 could promote the apoptosis induced by TSA ⁄ NaBu FEBS...
Ngày tải lên: 22/03/2014, 21:20
pye d. polarised light in science and nature (iop)
... objects are made from polymer resins by heat forming or other moulding techniques In these cases the strains imposed during shaping are retained or ‘frozen in and are easily revealed by viewing between ... light in some fascinating ways and show many important in uences on polarisation Indeed the early studies of polarised light depended entirely on crystals and they have continued to be of fundamental ... paintwork Many windscreens are strengthened by being laminated instead of being heat toughened and not show these effects on polarised light Laminated screens are therefore preferable if the driver likes...
Ngày tải lên: 24/04/2014, 16:51