an alternative effective mean temperature difference approach to heat exchanger analysis

... alternative mean temperature difference approach to heat exchanger analysis that does not involve the correction factor F and log mean temperature difference LMTDcf With P , R, and NTU I evaluated ... FFC heat exchanger the heat transfer resistance on the liquid side ranged between and 17% of the total heat transfer resistance The corresponding figure for the MPET heat exchanger was 7% to 15% ... performance parameters P , R, and NTUI and the effective mean temperature difference EMTD, and developing a more straightforward mean temperature difference approach BACKGROUND The standard bulk-stream...

Ngày tải lên: 19/07/2016, 06:15

... effective methodology to automate network security management 1.2 Previous works on vulnerability analysis Automatic vulnerability analysis can be dated back to Kuang [4] and COPS [17] Kuang formalizes ... Engine violation & attack trace Analysis database Figure 2.1: Analysis framework 2.2 Analysis framework The MulVAL core analysis framework is shown in Figure 2.1 An analysis database is a collection ... logic-based approach, which formally specifies every relevant element in the reasoning and their interactions As a result it can put various information and tools together, yielding an end -to- end automatic...

Ngày tải lên: 05/03/2014, 21:20

Ngày tải lên: 06/11/2012, 10:35

... Vietnam national University, Hanoi College of Foreign Languages Department of Postgraduate Studies A study oF An alternative approach to teaching essay writing to TOEFL learners (Nghiên cứu Đổi ... learners (Nghiên cứu Đổi phơng pháp dạy viết Luận cho học viên chứng ToefL) By: Nguyen Thi Chung Mien Supervisor: Do Ba Quy, MA Hanoi, 2005 ...

Ngày tải lên: 06/11/2012, 10:35

... Longman 14 Harmer, J 1990 The practice of English Language Teaching, Longman handbooks for language teacher: Longman group, ltd 15 Heaton, J B.1989 Writing English test, Longman handbooks for language ... “Show me the way to write automatically” “I would like my teacher to give more model essays and force us to analyze in order to remember the way to write.” “I can not brainstorm well so the teacher ... in an evening class with 1.5 hours a day studying They worked most of the time and did not want to have homework “I want to understand and practice everything in the class I have to work and...

Ngày tải lên: 06/11/2012, 10:35

... Parents are good so their children can follow Firstly, parents are old and experienced people They know many things in life and what they know they want their kids can know Moreover, they work, travel ... work hard to earn money to pay their children’s fee at school They buy their son or daughter with good food; make a good house where their children can come back to Also parents want to choose ... children go to school, they learn many things from books They learn many subjects so with each subjects they can learn the good things Moreover, through books they can learn from their teachers Many...

Ngày tải lên: 06/11/2012, 10:35

... experience and deep knowledge of storage management to help customers create more efficient storage management operations Prior to EMC, Joel held technology management and consultant positions ... critical success factor and should be defined according to your role: storage managers, for example, will likely want to monitor more frequently, perhaps to publish a quarterly or annual report for ... white paper.) Storage Model Considerations The environment in which you deploy storage can have a significant impact on how effectively you can manage its capacity and performance As detailed...

Ngày tải lên: 26/10/2013, 22:15

... presented by Han and Kamber Han and Kamber (2001) suggest an evolution that moves from data collection and database creation, towards data management, and ultimately, data analysis and understanding ... bits of fact Han and Kamber (2001) suggest an evolution that moves from data collection and database creation, towards data management, and ultimately, data analysis and understanding Figure ... has been shown to both effectively describe the learning process and offer meaningful insight into promoting development within the cognitive domain (Andrews & Wynekoop, 2004; Manton, Turner, &...

Ngày tải lên: 02/06/2014, 09:38

... selection to extract discriminative feature components; an unsupervised quantization approach to offer promising privacy protection; and an LSSC encoding to achieve large entropy without having to sacrifice ... appears to be equal to the difference between the codeword index “3” and “1” It is in general not difficult to observe that neighbour codewords tend to have a smaller Hamming distance compared to any ... (2003) 11 ABJ Teoh, A Goh, DCL Ngo, Random multispace quantisation as an analytic mechanism for Biohashing of biometric and random identity inputs IEEE Trans Pattern Anal Mach Intell 28(12), 1892–1901...

Ngày tải lên: 20/06/2014, 22:20

... incision which is well tolerated and less painful than standard median sternotomy This approach gives excellent access to ascending aorta, arch and proximal supra aortic trunk Manubriotomy, being a less ... More Important Today than Before Tohoku J Exp Med 2004, 204:53-62 doi:10.1186/1749-8090-5-73 Cite this article as: Khalil and Nashef: An alternative surgical approach to subclavian and innominate ... subclavian flow and care should be taken to ensure that whatever procedure is carried out, satisfactory antegrade flow to the relevant subclavian artery can be assured for the long term or alternatives...

Ngày tải lên: 10/08/2014, 09:22

... of other and faster methods to induce hypothermia must be considered Infusion of ice-cold Ringer’s solution (30 ml/kg within 30 minutes) has been shown to be an easy, cheap, effective and safe ... References Pichon N, Amiel JB, Francois B, Dugard A, Etchecopar C, Vignon P: Efficacy of and tolerance to mild induced hypothermia after out-of-hospital cardiac arrest using an endovascular cooling system ... than one hour [12] This is even possible in the out-of-hospital setting [13] For subsequent maintenance of hypothermia, intravascular and body surface cooling techniques may both be effective and...

Ngày tải lên: 13/08/2014, 08:20

... approaches to second language reading (pp 1-7) Cambridge, England: Cambridge University Press Eskey, D (1993) Holding in the bottom: An interactive approach to the language problems of second language ... strategies + top-down strategies = comprehension Which model should be adopted? The reader must be competent in both bottom-up and top-down processing Interaction (“balance”) of bottom-up and top-down ... previewing, and predicting) + background knowledge (cultural, linguistic, syntactic, and historical) = comprehension Interactive Approach Reader uses both bottom-up and top-down strategies simultaneously...

Ngày tải lên: 20/07/2013, 01:26

... extended language work The Language Model The most common approach to literature in the EFL classroom is what Carter and Long (1991) refer to as the ‘language-based approach Such an approach ... separation of literature from language is a false dualism since literature is language and language can indeed be literary It is not difficult to find instances of standard transactional forms of discourse ... (Widdowson, 1975) may become confused and overloaded What this means is that the reader has to infer, anticipate and negotiate meaning from within the text to a degree that is not required in non-literary...

Ngày tải lên: 06/09/2013, 10:10

... relations and national defense: A change to management Personnel, 1(July), 49-63 In M Weisbord (1987), Productive workplaces: Organizing and managing for dignity, meaning and community San Francisco: ... for help is analogous to admitting fault IT and OD practitioners are experts brought into an organization to solve the toughest problems, not to introduce new ones Whether from arrogance or insecurity, ... understand “process” as an activity that receives inputs and acts upon them to produce outputs For example, a personal finance software system might take one’s bank balances as an input and act...

Ngày tải lên: 24/10/2013, 08:20

... from top to bottom: (a) Motor speed, (b) Three phase currents, (c) Torque, (d) Zoomed current, (e) Zoomed torque The torque ripple is clearly detected in the instants of commutation due to the ... present work is to provide an alternative approach to reduce torque ripple in BLDCM drive Instead of conventional square-wave form, the method uses the principle of vector control to optimally design ... motor friction loss, (1) can be rewritten: Pe = (ia ea + ib eb + ic ec ) = Te ω m (2) where Te is the electromagnetic torque and ωm is the motor mechanical angular speed 1536 Therefore, the torque...

Ngày tải lên: 03/01/2014, 19:46

... The Anatomy of a Hit: An Advanced PHP & MySQL Hit Counter MySQL, and user interface design The counter and graphing methodology I provide here are very simple to understand and can be modified and ... Times New Roman, and Courier New—are Unicode compliant However, that doesn’t mean they can display any Unicode character They are fine for English and most Central and Eastern European languages ... applications to Unicode will give you the ability to correctly handle and display any character from any language you’re likely to encounter.“ account correctly Since PHP and Oracle are speaking to each...

Ngày tải lên: 24/01/2014, 14:20

Ngày tải lên: 18/02/2014, 11:20

... Locations Directories create locations, this enables users to create meaningful locations to store certain files But many directories means many locations, which might mean too many locations; ... hard to find the right location to store documents Also, documents can be stored at only one location, meaning that you need to find the right location if you want to find a certain document To make ... is needed because simultaneous access to the database can lead to incorrect results And simultaneous access to the sending mechanisms can lead to incorrect data being transmitted We also see constructs...

Ngày tải lên: 20/02/2014, 05:21

... also to the German NEGRA and the Chinese CTB (Zollmann and Sima 'an 2005 propose a different consistent estimator for DOP, which we cannot go into here) UML-DOP Analogous to U-DOP, UML-DOP is an ... frequency estimator corresponds to maximum likelihood (Chi and Geman 1998), and which we shall refer to as "ML-PCFG" To this end, we used a random 90%/10% division of WSJ40 into a training set and a test ... parsing technique by Huang and Chiang (2005), but we have not yet incorporated this into our implementation To give an example of the dependencies that U-DOP can take into account, consider the...

Ngày tải lên: 20/02/2014, 12:20

... too fast S: [BRENNANE: she] Friedman S: [FRIEDMANu: Friedman, BRENNANE: she] races her on weekends S: [FRIEDMANu: Friedman, BRENNANE: her] She drives to Laguna Seca S: [FRIEDMANE: she, LAGUNASECAu: ... [FRIEDMANE: she, BRENNANE:her] often beats her S: [FRIEDMANE: she, BRENNANE: her] (2a) (2b) (2c) (2d) (2d') Brennandrives an Alfa Romeo S: [BRENNANu: Brennan, ALFA ROMEOBN: Alfa Romeo] She drives too ... rules and constraints RANK by transition orderings To illustrate this algorithm, we consider example (1) (Brennan et al., 1987) which has two different final utterances (ld) and (ld~) Utterance...

Ngày tải lên: 20/02/2014, 18:20