detailed design of a shell and tube heat exchanger
practical thermal design of shell-and-tube heat exchangers - r. mukherjee (begell house, 2004) ww
... ,PSRUWDQFH RI VWHSZLVH FDOFXODWLRQV IRU YLVFRXV OLTXLGV &$6( 678'< 67(3:,6( ... &URVV YL +HDW 5HOHDVH 3URILOHV DQG =RQH:LVH &DOFXODWLRQV 7HPSHUDWXUH 3URILOH 'LVWRUWLRQ ... NQRZOHGJH IRU KHDW H[FKDQJHU GHVLJQ 7KH VLPXOWDQHRXV RSWLPL]DWLRQ RI VKHOOVLGH DQG WXEHVLGH FDOFXODWLRQV LV FHUWDLQO\ QRW DQ HDV\ WDVN :LWK VR PDQ\ SDUDPHWHUV VXFK DV W\SH RI VKHOO EDIIOLQJ...
- 243
- 422
- 0
Thiết bị trao đổi nhiệt ống chùm (Shell and tube heat exchangers)
... trao đổi nhiệt, Đại học Bách Khoa Đà Nẵng Các website tham khảo: http://en.wikipedia.org/ http://www.gc3.com/ http://www.heatexchangersonline.com/ Phần mềm tham khảo: Shell and Tube Heat Exchanger ... Edition), Gulf Professional Publishing T.Kuppan – Heat exchanger design handbook, Marcei Dekker INC Nhiều tác giả - Sổ tay Quá trình thiết bị công nghệ h a chất (Tập 2, Tái lần thứ 2), NXB Khoa học Kỹ ... Floating head with backing device T - Pull through floating head U - Đuôi ống chữ U W – Externally sealed floating tube sheet Sơ đồ thuật toán Tài liệu tham khảo • • • • • • • Carl R Branan -...
- 25
- 3,997
- 10
Báo cáo hóa học: "Research Article Design of a Versatile and Low Cost μVolt Level A to D Conversion System for Use in Medical Instrumentation Applicatio" pdf
... total circuit and incidental noise is random with a worstcase peak to peak spread of 3.87 mV As the negative and positive excursions are relatively uniform about a mean, EURASIP Journal on Advances ... the case of a hand-held instrument, allows for a “snapshot” of the data stream to be made manually at a time chosen by the operator Use of this additional facility does not interrupt the data stream ... to design and develop a novel technology that could directly interface a range of sensor elements and to provide a reliable and low cost method of capturing and storing the resultant data stream...
- 6
- 391
- 0
Báo cáo Y học: Synthesis, conformational analysis and biological activity of cyclic analogs of the octadecaneuropeptide ODN Design of a potent endozepine antagonist pot
... Slobodyansky, E., Guidotti, A. , Wambebe, C., Berkovich, A & Costa, E (1989) Isolation and characterization of a rat brain triakontatetraneuropeptide, a posttranslational product of diazepam binding ... conclusion, we have shown that head-to-tail cyclization of the ODN agonist OP and the weak antagonist [D -Leu5]OP enhances their biological activity on rat astrocytes leading to a super-agonist and to ... number of solutions A range of ^ 308 was used for defining the upper and lower angle of the constraints The structures were generated from the experimental data with a standard dynamical simulated annealing...
- 13
- 632
- 0
Báo cáo khoa học: Insights into the design of a hybrid system between Anabaena ferredoxin-NADP+ reductase and bovine adrenodoxin pot
... providing a large amount of information about its interaction and ET properties to Fd, Fld and NADP+ [8–11] Three-dimensional structures of Anabaena wild-type (WT) FNR, several of its mutants and of ... recorded after addition of CYP1 1A1 to an anaerobic CO-saturated sample containing the reaction mixture FNRrd/Adxox gave rise to a peak at 450 nm together with absorbance decreases at 390, 430 and ... the anaerobic reaction between FNRrd and Adxox using a constant FNR concentration and increasing [Adxox]/[FNRrd] ratios (A) Time-course for the anaerobic reaction between FNRrd and Adxox as followed...
- 10
- 400
- 0
Báo cáo y học: " A systematic review of the use of theory in the design of guideline dissemination and implementation strategies and interpretation of the results of rigorous evaluations" pps
... study PD and AW abstracted data from paper PD wrote first draft of paper AW and JG commented on drafts of paper All authors read and approved the final manuscript Davies et al Implementation Science ... Reinforcing, and Enabling Constructs in Educational Diagnosis and Evaluation) [68], diffusion of innovation [69], information overload [70], and social marketing (academic detailing) [71] accounted ... guideline criteria project Building and applying a guideline-based performance measurement system: develop, apply, and evaluate medical review criteria and educational outreach based upon practice guidelines:...
- 6
- 411
- 0
báo cáo khoa học: " A systematic review of the use of theory in the design of guideline dissemination and implementation strategies and interpretation of the results of rigorous evaluations" ppt
... study PD and AW abstracted data from paper PD wrote first draft of paper AW and JG commented on drafts of paper All authors read and approved the final manuscript Davies et al Implementation Science ... Reinforcing, and Enabling Constructs in Educational Diagnosis and Evaluation) [68], diffusion of innovation [69], information overload [70], and social marketing (academic detailing) [71] accounted ... guideline criteria project Building and applying a guideline-based performance measurement system: develop, apply, and evaluate medical review criteria and educational outreach based upon practice guidelines:...
- 6
- 429
- 0
báo cáo khoa học:"The WRITTEN-HEART study (expressive writing for heart healing): rationale and design of a randomized controlled clinical trial of expressive writing in coronary patients referred to residential cardiac rehabilitation" docx
... appropriate and reasonable empirical data are available for calculating the necessary sample size that would allow a high chance to detect a significant difference across conditions Because of ... rehabilitation (CR) and who will meet inclusion criteria of having had a medical diagnosis of Coronary Heart Disease (CHD) and being affected by major cardiovascular risk factors will be asked and ... study) and to a situational concurrent format The first study to establish the validity and reliability of the measure indicated that the a priori scales had adequate internal reliability (from a...
- 8
- 465
- 0
Báo cáo y học: "Chiropractic and self-care for back-related leg pain: design of a randomized clinical trial" docx
... and axial planes and (2) average velocities in the sagittal, coronal, and axial planes from neutral to end ranges Standing Postural Sway Postural sway data are collected using a method and protocol ... R: Qualitative research: Analysis types and software tools New York: Falmer; 1990 108 Miles MB, Huberman AM: Qualitative Data Analysis: an expanded sourcebook Thousand Oaks, CA: Sage Publications, ... Bittell S, Anderson AV: A pilot study for a randomized clinical trial assessing chiropractic care, medical care, and self-care education for acute and subacute neck pain patients J Manipulative Physiol...
- 14
- 377
- 0
Báo cáo sinh học: " Streamlined design of a self-inactivating feline immunodeficiency virus vector for transducing ex vivo dendritic cells and T lymphocytes" ppsx
... Viral and genomic RNAs were treated with RNase-free DNase (Qiagen) to eliminate residual DNA Presence of p∆env1 plasmid and RNA transcripts in supernatants and transduced cells was investigated ... initial part of gag, form the ψ signal required for viral RNA encapsidation into assembling virions and were deleted of Figure Safety evaluation of packaging and vector constructs Safety evaluation ... DCs and T cells Methods Parental plasmid and strategy used for packaging and vector construction Prototype vectors and packaging construct were developed from p∆00 (Fig 1A and 2A) , a replication-competent...
- 13
- 277
- 0
Design of a broad band distributed amplifier and design of cmos passive and active filters
... Digital Analog A/ D Digital Analog A/ D Digital Software Digital Filtering Analog Filtering a) Conventional multi-band Radio Broad-band Amplifier b) Software Defined Radio Fig 1.1 Multi-band and software ... DESIGN OF A BROAD-BAND DISTRIBUTED AMPLIFIER AND DESIGN OF CMOS PASSIVE AND ACTIVE FILTERS DALPATADU K RADIKE SAMANTHA Beng (Hons), NUS A THESIS SUBMITTED FOR THE DEGREE OF MASTER OF ENGINEERING ... inductors and capacitors 1.4 Motivation, Scope and Thesis Organization The main objective of this thesis is the design of a broadband amplifier in 0.1-3.0 GHz and active and passive filters for RF and...
- 130
- 517
- 0
Experimental and numerical investigation to evaluate the performance of triangular finned tube heat exchanger
... contours of smooth tube heat exchanger at different axial distances It can be noted that the maximum air and water temperatures appears at Z/d = while the minimum temperatures appears at Z/d = It can ... finned tube heat exchanger for specified water Reynold's numbers at various axial distances ratio Results showed a significant heat transfer augmentation in heat exchanger for air and water sides ... smooth and triangular finned tube It can be seen from Figure 11 that heat dissipation of finned tube is higher than that of smooth tube due to increase of surface area The enhancement of heat dissipation...
- 14
- 219
- 0
Novel design implementation of a broadband and highly efficient doherty power amplifier
... 1.3 Research Focus 23 the design A photograph of the die of this transistor is shown in Figure 1.22 source n+ GaAs Schottky gate drain SiN Lg GaAs/AlGaAs layers InGaAs GaAs/AlGaAs layers GaAs semi-insulating ... adaptive, compact and broadband alternative A highly linear, varactor-based impedance transformer is placed at the output of the carrier amplifier, which performs wideband load-modulation by adaptively ... layer of n-type AlGaAs in the emitter The ohmic contacts to the emitter and collector are formed with heavily doped n-type GaAs Emitter Base n+ InGaAs n GaAs n AlGaAs Base p+ GaAs n GaAs Isolation...
- 170
- 295
- 0
Performance studies and receiver design of a MB OFDM UWB system
... communication systems can easily be adapted for the UWB indoor communication system Other advantages of the multi-bands approach include the highly attractive features of scalability and ease of adapting ... critical advantage of OFDM technology [6] However, OFDM technology does have its disadvantages especially in terms of practical implementation of transceiver As an OFDM signal is basically a superposition ... the preambles, the packet header will be transmitted at a fixed data rate of 53.3 Mbps before the frame payload is transmitted at various data rates The packet header contains data that the receiver...
- 126
- 370
- 0
Performance Studies on a Downdraft Biomass Gasifier with Blends of Coconut Shell and Rubber Seed Shell as Feedstock
... utilization of various biomasses available in a region [19] Therefore blends of biomasses in a gasifier can improve the continuous and steady operation of gasifiers in remote areas A analytical model ... this gasifier as per supplier specification is wood chip A gas analyser, gas chromatograph and a gas flow meter are provided to measure the quality and quantity of the producer gas Calibrated ... Biofuels Annual 2012; India, MNRE Biomass Resource Atlas of India; 2009 Biomass data by state 2002-04 [9] N Tippayawong, C Chaichan, A Promwungkwa, P Rerkkriangkrai, Clean Energy from Gasification...
- 14
- 264
- 0
1 optimal design of plate and frame heat exchangers for efficient heat recovery in process industries
... geometrical parameters of plates and inter-plate channels are given at Table These parameters are estimated from information available at CAS200 and also by measurements on the samples of real plates ... transfer and hydraulic resistance from available literature data Similar estimations were also made by Mehrabian [12], who proposed a manual method for the thermal design of plate heat exchangers ... Optimal design of a plate heat exchanger with undulated surfaces International Journal of Thermal Sciences 2009;48: 1184e95 [15] Marriott J Performance of an Alfaflex plate heat exchanger Chemical...
- 11
- 650
- 0
Novel design of a compacted micro-structured air-breathing PEM fuel cell as a power source for mobile phones
... challenges for small scale and micro-fuel cells in terms of design, materials, effective transport of reactants, and heat management The development of physically representative models that allow ... performance and design of air-breathing PEM fuel cells Litster and Djilali [1] developed a single-phase one-dimensional semi-analytical model of the membrane electrode assembly (MEA) of planar air-breathing ... density and lower cost The analysis offers valuable physical insight towards design of a cell and a cell stack, to be considered in a future study References [1] Litster S and Djilali N Mathematical...
- 18
- 549
- 0
Novel design of a disk-shaped compacted micro-structured air-breathing PEM fuel cell
... challenges for small scale and micro-fuel cells in terms of design, materials, effective transport of reactants, and heat management The development of physically representative models that allow ... performance and design of air-breathing PEM fuel cells Litster and Djilali [1] developed a single-phase one-dimensional semi-analytical model of the membrane electrode assembly (MEA) of planar air-breathing ... distribution patterns of activation overpotentials are similar, with higher values at the catalyst layer near the air inlet area It can be seen that the activation overpotential profile correlates with...
- 20
- 521
- 0
Ecological performance of a generalized irreversible Carnot heat engine with complex heat transfer law
... heat transfer coefficient and F1 is the heat- transfer surface area of the hightemperature-side heat exchanger , β is the overall heat transfer coefficient and F2 is the heat- transfer surface area ... The total heat transfer surface area ( F ) of the two heat exchangers is assumed to be a constant: F = F1 + F2 (3) There exists a constant rate of bypass heat leakage ( q ) from the heat source ... temperatures ( TH and TL ) These temperatures satisfy the following inequality: TH > THC > TLC > TL The heat- transfer surface areas ( F1 and F2 ) of high- and lowtemperature heat exchangers are...
- 14
- 534
- 0
Tài liệu Design of a USB Device Driver ppt
... –First packet in any transaction –Specifies function address, endpoint –Specifies data direction ? Data - DATA0, DATA1 –0 - 1023 bytes ? Handshake - ACK, NAK, STALL –Report status of data transaction ... Idle Handshake ACK ACK DATA0/ DATA0/ DATA1 DATA1 NAK DATA0 T/O STALL T/O ACK Idle Host Function There are Four Types of USB Transactions ? Isochronous (Audio, telephony …) –Periodic, Bounded latencies, ... Driver USB Host Data Packet IN Token Data Packet Data Buffer ACK Data Packet IN Token Data Packet ACK 36 18 Control Read ? Call USBRead( EP0 ) to read a Setup Packet USBRead( –Read from EP0 OUT...
- 28
- 423
- 0
Tìm thêm: hệ việt nam nhật bản và sức hấp dẫn của tiếng nhật tại việt nam xác định các nguyên tắc biên soạn khảo sát các chuẩn giảng dạy tiếng nhật từ góc độ lí thuyết và thực tiễn khảo sát chương trình đào tạo gắn với các giáo trình cụ thể xác định thời lượng học về mặt lí thuyết và thực tế điều tra với đối tượng sinh viên học tiếng nhật không chuyên ngữ1 khảo sát các chương trình đào tạo theo những bộ giáo trình tiêu biểu nội dung cụ thể cho từng kĩ năng ở từng cấp độ xác định mức độ đáp ứng về văn hoá và chuyên môn trong ct phát huy những thành tựu công nghệ mới nhất được áp dụng vào công tác dạy và học ngoại ngữ mở máy động cơ lồng sóc mở máy động cơ rôto dây quấn các đặc tính của động cơ điện không đồng bộ đặc tuyến mômen quay m fi p2 đặc tuyến tốc độ rôto n fi p2 động cơ điện không đồng bộ một pha thông tin liên lạc và các dịch vụ phần 3 giới thiệu nguyên liệu từ bảng 3 1 ta thấy ngoài hai thành phần chủ yếu và chiếm tỷ lệ cao nhất là tinh bột và cacbonhydrat trong hạt gạo tẻ còn chứa đường cellulose hemicellulose chỉ tiêu chất lượng 9 tr 25