Relevant bibliographies by topics / Micro-pumps

Academic literature on the topic 'Micro-pumps'

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Published: 4 June 2021
Last updated: 1 February 2022

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Journal articles on the topic "Micro-pumps"

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Brooks, K., D. Damjanovic, A. Kholkin, I. Reaney, N. Setter, P. Luginbuhl, G. A. Racine, N. F. de Rooij, and A. Saaman. "PZT films for micro-pumps." Integrated Ferroelectrics 8, no. 1-2 (March 1995): 13–23. http://dx.doi.org/10.1080/10584589508012296.

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Yokoyama, Yoshinori, Munehisa Takeda, Toshiyuki Umemoto, and Tetsurou Ogushi. "Thermal micro pumps for a loop-type micro channel." Sensors and Actuators A: Physical 111, no. 1 (March 2004): 123–28. http://dx.doi.org/10.1016/j.sna.2003.10.012.

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YAMAGISHI, Hideto, Shingo MAEDA, and Yuji Otsuka. "Micro pumps driven by BZ gel." Proceedings of JSME annual Conference on Robotics and Mechatronics (Robomec) 2019 (2019): 1A1—U03. http://dx.doi.org/10.1299/jsmermd.2019.1a1-u03.

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Pilarek, Maciej, Peter Neubauer, and Uwe Marx. "Biological cardio-micro-pumps for microbioreactors and analytical micro-systems." Sensors and Actuators B: Chemical 156, no. 2 (August 2011): 517–26. http://dx.doi.org/10.1016/j.snb.2011.02.014.

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Xu, Yuan, Choong Wen On, Yao Kui, Eng Hock Tay Francis, Xuan Xiong Zhang, Kong Yen Peng, and Wen Ping Wang. "Simulation and Design Optimisation of Micro Pumps." Key Engineering Materials 227 (August 2002): 241–46. http://dx.doi.org/10.4028/www.scientific.net/kem.227.241.

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Liu, D., M. Maxey, and G. E. Karniadakis. "Modeling and optimization of colloidal micro-pumps." Journal of Micromechanics and Microengineering 14, no. 4 (January 19, 2004): 567–75. http://dx.doi.org/10.1088/0960-1317/14/4/018.

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Leu, T. S., and F. C. Ma. "Novel EHD-Pump Driven Micro Mixers." Journal of Mechanics 21, no. 3 (September 2005): 137–44. http://dx.doi.org/10.1017/s1727719100000575.

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AbstractNovel electrohydrodynamic (EHD) pump driven micro mixers are fabricated to study fluidic mixing in micro channels experimentally. Microscopic flow visualization experiments are presented to visualize microscale mixing in micro mixers. Mixing is achieved in a laminar flow by perturbing the main flow with EHD pumps in a micro channel. EHD pumps operate in a way to form cross-stream mixing mechanism by using either dc voltage or traveling wave signals. Experimental results show transverse or vortical cross-stream flows are generated within hundreds microns distance in the micro mixers, thereby increasing mixing.
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Wong, Flory, Krishna Kanti Dey, and Ayusman Sen. "Synthetic Micro/Nanomotors and Pumps: Fabrication and Applications." Annual Review of Materials Research 46, no. 1 (July 2016): 407–32. http://dx.doi.org/10.1146/annurev-matsci-070115-032047.

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Hernandez, C., Y. Bernard, and A. Razek. "A global assessment of piezoelectric actuated micro-pumps." European Physical Journal Applied Physics 51, no. 2 (July 7, 2010): 20101. http://dx.doi.org/10.1051/epjap/2010090.

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YUMIBA, Daisuke, Hironori HORIGUCHI, Yoshinobu TSUJIMOTO, Masaaki SAKAGAMI, and Shigeo TANAKA. "1103 The experimental manufacture of micro centrifugal pumps." Proceedings of Conference of Kansai Branch 2005.80 (2005): _11–5_—_11–6_. http://dx.doi.org/10.1299/jsmekansai.2005.80._11-5_.

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Dissertations / Theses on the topic "Micro-pumps"

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Tomac, Tom, and n/a. "Feedback and control of micro-pumps." Swinburne University of Technology, 2006. http://adt.lib.swin.edu.au./public/adt-VSWT20070220.130359.

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This thesis constitutes the documentation for a Doctoral research program undertaken at the Industrial Research Institute of Swinburne University of Technology (IRIS) between 2001 and 2005. The focus of the research was an investigation of the open- and closed-loop response of piezoelectric micro-pumps for micro-fluidic applications, particularly for chemical and biomedical environments. Specifically, in order to successfully integrate micro-devices into functional systems, it was important to address issues of real-time performance monitoring and control. The research addresses some of these problems in the context of a piezoelectric-driven micro-pump, equipped with interferometric displacement feedback, which was used to measure the dynamic displacement of the micro-pump actuator surface. During the course of the research, both a discrete component and a fully integrated (laboratory-on-a-board) test system were developed for open-loop characterization of the micro-pump. The laboratory-on-a-board system was also used for closed-loop control application. Measurements showed significant differences in actuator velocity, displacement and settling time between different pumping media. In addition, transient underdamped vibration of the actuator surface was observed during the rapid excursion and recursion phases of the pump movement while pumping air. These non-contact measurements could be used to determine the open-loop characteristics of a micropump and provide information for design improvement or failure detection/analysis. The technique could also be used to provide continuous measurement for adaptive compensation, so that the pump performance criteria are always satisfied. To this end, an automated interference fringe counting algorithm was developed, so that the steadystate parameters could be mapped into the closed-loop control elements in real time. The performance of this algorithm is discussed herein, together with the implications for optimal control of the micro-pump, and eventual integration of the interferometer and micro-pump systems. The research indicated that there were potential benefits in closed-loop control of micro-pumps, particularly where failure detection was required and for pumping of non-homogeneous media. The thesis also documents the relative performance differences between open and closed-loop control in homogenous media.
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Tomac, Tom. "Feedback and control of micro-pumps." Australian Digital Thesis Program, 2006. http://adt.lib.swin.edu.au/public/adt-VSWT20070220.130359/index.html.

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Thesis (PhD) - Swinburne University of Technology, Industrial Research Institute Swinburne - 2006.
A thesis submitted in fulfilment of the requirements for the degree of Doctor of Philosophy in the school of Advanced Studies at Industrial Research Institute Swinburne, Swinburne University of Technology - 2006. Typescript. "December 2006". Includes bibliographical references (p. 233-242).
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Nielsen, Ole Mattis 1977. "A study of micro-scale jet pumps." Thesis, Massachusetts Institute of Technology, 2002. http://hdl.handle.net/1721.1/87239.

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Thesis (M.Eng.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2002.
"February 8, 2002."
Includes bibliographical references (p. 56).
by Ole Mattis Nielsen.
M.Eng.
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Alatorre-Frenk, Claudio. "Cost minimisation in micro-hydro systems using pumps-as-turbines." Thesis, University of Warwick, 1994. http://wrap.warwick.ac.uk/36099/.

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The use of reverse-running pumps as turbines (PATs) is a promising technology for small-scale hydropower. This thesis reviews the published knowledge about PATs and deals with some areas of uncertainty that have hampered their dissemination, especially in 'developing' countries. Two options for accommodating seasonal flow variations using PATs are examined and compared with using conventional turbines (that have flow control devices). This has been done using financial parameters, and it is shown' that, under typical conditions, PATs are more economic. The various published techniques for predicting the turbine-mode performance of a pump without expensive tests are reviewed; a new heuristic one is developed, and it is shown (using the same financial parameters and a large set of test data in both modes of operation) that the cost of prediction inaccuracy is negligible under typical circumstances. The economics of different ways of accommodating water-hammer are explored. Finally, the results of laboratory tests on a PAT are presented, including cavitation tests, and for the latter a theoretical framework is exposed.
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Williams, Arthur A. "Pumps as turbines used with induction generators for stand-alone micro-hydroelectric power plants." Thesis, Nottingham Trent University, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.262127.

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Lin, Wei. "Numerical Analysis of Magnetohydrodynamic Pump." Youngstown State University / OhioLINK, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=ysu1317230260.

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Guyer, Brittany (Brittany Leigh). "A comparison of ground source heat pumps and micro-combined heat and power as residential greenhouse gas reduction strategies." Thesis, Massachusetts Institute of Technology, 2009. http://hdl.handle.net/1721.1/54470.

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Thesis (S.B.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2009.
Cataloged from PDF version of thesis.
Includes bibliographical references (p. 27-28).
Both ground source heat pumps operating on electricity and micro-combined heat and power systems operating on fossil fuels offer potential for the reduction of green house gas emissions in comparison to the conventional approaches for providing heating, air conditioning and electric power to residential homes. Factors that may impact the relative merits are actual system operating efficiencies, regional primary energy sources for electric power generation, actual space conditioning and electric demands as well as regional climate factors. The purpose of this study is to make a consistent, realistic comparison of these greenhouse gas reduction strategies as applied to typical single-family residential homes across the United States. The study identifies both the regional variations and specific magnitudes of reductions that could be expected with these technologies when implemented within the current energy infrastructure. These comparisons are achieved by identifying the performance characteristics of both technologies, developing typical application scenarios and collecting important regional data associated with electric power production and climate variations. The results show that indeed regional variations exist in the relative merits of micro-CHP systems and ground source heat pumps on reducing the carbon emissions for households. Specific results are sensitive to the assumptions made regarding the carbon production characteristics of incremental increases or decreases of electrical demand on the local electricity utility grid.
by Brittany Guyer
S.B.
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Cooper, Samuel J. G. "Thermodynamic analysis of air source heat pumps and micro combined heat and power units participating in a distributed energy future." Thesis, University of Bath, 2013. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.577742.

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Achieving the reductions in carbon dioxide emissions which are necessary will require improvements in the way in which domestic space heating is supplied. Air Source Heat Pumps and micro-Combined Heat and Power units both have the potential to reduce emissions while using primary energy resources more efficiently. The performance which these technologies can achieve is fundamental to fulfilling this potential and yet it is still subject to some uncertainty. This thesis analyses the performance of Air Source Heat Pumps and micro-Combined Heat and Power units in terms of their energy and exergy requirements and in terms of the carbon dioxide emissions associated with their operation. A review of the literature identified that it was appropriate to develop a novel modelling approach. Models of many components currently exist and these are adopted and extended wherever possible within this modelling approach. However, it is the unique way in which this research combines these models and adds additional components which delivers performance data relating to a wider range of conditions at a greater level of detail than that which was previously available. The model which was developed can dynamically simulate the heating and power demands in many dwellings simultaneously, facilitating meaningful study of effects which are dependent upon the sum of their power flows. Consideration of the effect of operating conditions includes permutations of climate, control systems (including those which engage with demand side management), grid generation mixes and building properties. Efficient Air Source Heat Pumps units have the potential to make energy and carbon emissions savings at present but their performance is sensitive to the conditions studied. In particular, appropriate control of the units can yield energy savings of around 25%. Additionally, the carbon emissions intensity of the grid is an important consideration which is explored in depth. Currently, energy requirements and carbon emissions can be reduced by the use of micro-Combined Heat and Power units. Their potential to further reduce carbon emissions diminishes if the grid is predominantly decarbonised but units with high electrical efficiencies can still save energy. The effect of the control approach which is adopted is also significant and has different effects on fuel-cell based units compared to combustion-based units. The key contribution of this work is the analysis of performance data for a selection of units operating under a range of conditions, calculated with a consistent, accurate methodology. Comparison is made between the technologies and between the effects of different operating conditions. A second significant contribution of this work is the development of the model which was used to generate the performance results. These advances allow more detailed comparative analysis of performance data in a wider range of conditions than previously possible.
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Lavorante, André Fernando. ""Desenvolvimento de instrumentação e procedimentos analíticos automáticos para a determinação espectrofotométrica de tensoativos em águas"." Universidade de São Paulo, 2006. http://www.teses.usp.br/teses/disponiveis/64/64135/tde-03042006-184414/.

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"Neste trabalho, propõe-se o desenvolvimento de instrumentação e procedimentos analíticos automáticos para a determinação de tensoativos em águas empregando o conceito de multicomutação em fluxo. Visando a miniaturização do sistema, a minimização do consumo de reagentes, e da geração de efluentes foram utilizadas mini-bombas solenóide para a propulsão dos fluidos e válvulas solenóide de estrangulamento para controlar a manipulação das soluções. Estes dispositivos foram controlados por um microcomputador equipado com uma interface eletrônica baseada no circuito integrado ULN2803A a qual foi acoplada à saída da impressora. Como sistema de detecção foram empregados um espectrofotômetro HP8452A, um espectrofotômetro multicanal com arranjo linear de fotodetectores do tipo CCD e um fotômetro baseado em dois LEDs (azul e vermelho) como fonte de radiação e um fotodiodo de silício (IPL10530DAL) como detector. A aquisição dos dados do fotômetro foi realizada com um multímetro digital com saída serial RS232, empregando um programa escrito em linguagem VISUAL BASIC 3.0. No mesmo programa foram incluídas rotinas para controle do módulo de análise. Primeiramente, foram desenvolvidos a instrumentação e os procedimentos analíticos para a determinação independente de tensoativos aniônicos e catiônicos em águas. O mesmo módulo de análises foi utilizado para os dois tensoativos e foi constituído de quatro mini-bombas solenóide. O procedimento proposto para a determinação de tensoativos aniônicos foi baseado na substituição do reagente cromogênico alaranjado de metila (MO) pelo tensoativo aniônico dodecilbenzeno sulfonato de sódio (DBS), formando o par-iônico com o tensoativo catiônico cloreto de cetilpiridino (CPC) em pH 5,0. A instrumentação proposta possibilitou a obtenção de resposta linear entre 1,4 x 10-6 mol L-1 e 1,4 x 10-5 mol L-1 (0,5 - 5 mg L-1) (R = 0,997, n = 7), limite de detecção de 9,8 x 10-8 mol L-1 (0,034 mg L-1), e freqüência de amostragem de 60 determinações por hora. O desvio padrão relativo foi estimado em 0,8 % (n = 11) usando uma solução de referência contendo 5,7 x 10-6 mol L-1 (2 mg L-1) de DBS. Os resultados obtidos pelo método proposto processando amostras de efluentes domésticos e industriais foram comparados com os obtidos empregando-se o método de referência, e não foi observada diferença significativa em nível de confiança de 95 %. Para a determinação de tensoativos catiônicos em águas foi desenvolvido um procedimento baseado na formação do complexo ternário entre tensoativo catiônico CPC, Fe (III) e cromazurol S (CAS) em pH 4,5. Com o sistema proposto, utilizando-se uma cela de detecção de 40 mm de comprimento, obteve-se resposta linear entre 0,1 x 10-5 mol L-1 e 3,0 x 10-5 mol L-1 (0,34 - 10,2 mg L-1) (R = 0,999, n = 9), limite de detecção estimado em 1,0 x 10-7 mol L-1 (0,035 mg L-1), desvio padrão relativo de 0,6 % (n = 11) empregando uma solução de referência contendo 1,0 x 10-5 mol L-1 (3,4 mg L-1) de CPC, e freqüência de amostragem de 72 determinações por hora. O procedimento foi aplicado em amostras de águas coletadas no rio Piracicaba. Empregando-se teste de adição e recuperação foi observada recuperação entre 91 % e 106 %. O módulo de análise para a determinação seqüencial de tensoativos aniônicos e catiônicos foi constituído de duas mini-bombas solenóide e seis válvulas solenóide de estrangulamento. Com o sistema proposto, as características analíticas para os tensoativos aniônicos foram: resposta linear entre 0,1 x 10-5 mol L-1 e 3,0 x 10-5 mol L-1 (0,35 - 10,5 mg L-1) (R = 0,9992, n = 7); limite de detecção estimado em 1,6 x 10-7 mol L-1 (0,056 mg L-1); desvio padrão relativo de 0,6 % (n = 11) usando uma solução de referência contendo 1,0 x 10-5 mol L-1 (3,5 mg L-1) de DBS. Para os tensoativos catiônicos obteve-se resposta linear entre 0,1 x 10-5 mol L-1 e 3,0 x 10?5 mol L-1 (0,34 - 10,2 mg L-1) (R = 0,9992, n = 7); limite de detecção estimado em 1,4 x 10-7 mol L-1 (0,05 mg L-1); desvio padrão relativo de 0,5 % (n = 11) usando uma solução de referência contendo 1,0 x 10-5 mol L-1 (3,4 mg L-1) de CPC. O consumo das soluções de reagentes e de amostra foram de 400 mL e 200 mL, respectivamente, e freqüência de amostragem de 60 determinações por hora, para ambos tensoativos. O sistema foi aplicado em amostras de águas coletadas no rio Corumbataí, e os resultados obtidos com testes de adição e recuperação variaram entre 91 % e 105 %. Aplicando-se teste-t entre os resultados obtidos pelo procedimento proposto e pelos métodos de referência (aniônicos) e de validação (catiônicos), os resultados foram concordantes em nível de 95 % de confiança."
"In this work, development of the instrumentation and automatic analytical procedures for spectrophotometric determination of surfactants in waters employing the multicommutation concept were proposed. Aiming to system miniaturization, reduction of reagents consumption and effluents generation, solenoids micro-pump and solenoids pinch valves were used for the fluids propulsion and for solutions management, respectively. These devices were controlled by a microcomputer equipped with an electronic interface based on the integrate circuit ULN2803A that was coupled to the printer output. As system detection was employed an spectrophotometer model HP8452A, a multichannel spectrophotometer with CCD array linear arrangement of photodetectors and a homemade LED based photometer comprising two LEDs (blue and red) as radiation source and a photodiode (IPL10530DAL) as detector. In this case, the data acquisition was accomplished with a digital multimeter with serial out put RS232 employing a software wrote in VISUAL BASIC 3.0. The software comprised also routines to control the analysis module. Firstly, instrumentation and analytical procedures for independent determination of anionic and cationic surfactants in waters were developed. The same flow system comprised of four solenoid micro-pumps and it was employed for both surfactants. The procedure proposed for the determination of anionic surfactant was based on the substitution reaction of orange methyl (MO) by anionic surfactant (sodium dodecylbenzene sulfonate - DBS) to form an ion-pair with the cetyl pyridine (CPC) at pH 5.0. The proposed instrumentation allowed the achievement of a lineal response range between 1.4 x 10-6 mol L-1 and 1.4 x 10-5 mol L-1 (0.5 – 5.0 mg L-1) (R = 0.997, n = 7), a detection limit of 9.8 x 10-8 mol L-1 (0.034 mg L-1), a relative standard deviation of 0.8% (n = 11) for a reference solution containing 5.7 x 10-6 mol L-1 (2.0 mg L-1) DBS and sampling throughput of 60 determinations per hour. Results obtained applying the proposed procedure for domestic and industrial effluent samples were compared with those obtained using reference method and no significant differences at the 95 % confidence level was observed. For the determination of cationic surfactant in waters the procedure was developed based on the ternary complex formation between CPC, Fe (III) and chromazurol S at pH 4.5. The proposed system comprised a flow cell device with 40 mm optical path-length presented the following features: a linear response range between 0.1 x 10-5 mol L-1 e 3.0 x 10-5 mol L-1 (0.34 – 10.2 mg L-1) (R = 0.999, n = 9); a detection limit of 1.0 x 10-7 mol L-1 (0.035 mg L-1); a relative standard deviation of 0.6 % (n = 11) for a reference solution containing 1.0 x 10-5 mol L-1 (3.4 mg L-1) CPC; and a sampling throughput of 72 determinations per hour. The procedure was applied to samples waters collected in the Piracicaba River. Using standard addition test recoveries between 91 % and 106 % were observed. The flow network for the sequential determination of anionic and cationic surfactants comprised two solenoid micro-pumps and six solenoid pinch valves. Employing the system proposed for the determination of anionic surfactants the folowing analytical characteristics: linear response range between 0.1 x 10-5 mol L-1 e 3.0 x 10-5 mol L-1 (0.35 – 10.5 mg L-1) (R = 0.9992, n = 7); a detection limit of 1.6 x 10-7 mol L-1 (0.056 mg L-1); a relative standard deviation of 0.6 % (n = 11) for a reference solution containing 1.0 x 10-5 mol L-1 (3.5 mg L-1) DBS were observed. For cationic surfactants a linear response range between 0.1 x 10-5 mol L-1 e 3.0 x 10?5 mol L-1 (0.34 - 10.2 mg L-1) (R = 0.9992, n = 7), a detection limit of 1.4 x 10-7 mol L-1 (0.05 mg L-1), a relative standard deviation of 0.5 % (n = 11) for a reference solution containing 1.0 x 10-5 mol L-1 (3.4 mg L-1) CPC were observed. In both cases, the reagents and sample consumption were 400 mL and 200 mL, respectively. The sampling throughput of 60 determinations per hour was achieved for both surfactants. The system was applied to waters samples from the Corumbataí River. The results obtained using the standard addition test presented recoveries between 91 % and 105 %. Applying t-test between the results obtained by the proposed procedures and those obtained using reference procedures showed that for anionic and cationic surfactants, the results were concordant at 95% confidence level."
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Navarro, Espinosa Alejandro. "Low carbon technologies in low voltage distribution networks : probabilistic assessment of impacts and solutions." Thesis, University of Manchester, 2015. https://www.research.manchester.ac.uk/portal/en/theses/low-carbon-technologies-in-low-voltage-distribution-networks-probabilistic-assessment-of-impacts-and-solutions(cc5c77df-54fe-4c1c-a599-3bbea8fbd0c1).html.

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The main outcome of this research is the development of a Probabilistic Impact Assessment methodology to comprehensively understand the effects of low carbon technologies (LCTs) in low voltage (LV) distribution networks and the potential solutions available to increase their adoption. The adoption of LCTs by domestic customers is an alternative to decreasing carbon emissions. Given that these customers are connected to LV distribution networks, these assets are likely to face the first impacts of LCTs. Thus, to quantify these problems a Monte Carlo-based Probabilistic Impact Assessment methodology is proposed in this Thesis. This methodology embeds the uncertainties related to four LCTs (PV, EHPs, µCHP and EVs). Penetration levels as a percentage of houses with a particular LCT, ranging from 0 to 100% in steps of 10%, are investigated. Five minute time-series profiles and three-phase four-wire LV networks are adopted. Performance metrics related to voltage and congestion are computed for each of the 100 simulations per penetration level. Given the probabilistic nature of the approach, results can be used by decision makers to determine the occurrence of problems according to an acceptable probability of technical issues. To implement the proposed methodology, electrical models of real LV networks and high resolution profiles for loads and LCTs are also developed. Due to the historic passive nature of LV circuits, many Distribution Network Operators (DNOs) have no model for them. In most cases, the information is limited to Geographic Information Systems (GIS) typically produced for asset management purposes and sometimes with connectivity issues. Hence, this Thesis develops a methodology to transform GIS data into suitable computer-based models. In addition, thousands of residential load, PV, µCHP, EHP and EV profiles are created. These daily profiles have a resolution of five minutes. To understand the average behaviour of LCTs and their relationship with load profiles, the average peak demand is calculated for different numbers of loads with and without each LCT.The Probabilistic Impact Assessment methodology is applied over 25 UK LV networks (i.e., 128 feeders) for the four LCTs under analysis. Findings show that about half of the studied feeders are capable of having 100% of the houses with a given LCT. A regression analysis is carried out per LCT, to identify the relationships between the first occurrence of problems and key feeder parameters (length, number of customers, etc.). These results can be translated into lookup tables that can help DNOs produce preliminary and quick estimates of the LCT impacts on a particular feeder without performing detailed studies. To increase the adoption of LCTs in the feeders with problems, four solutions are investigated: feeder reinforcement, three-phase connection of LCTs, loop connection of LV feeders and implementation of OLTCs (on-load tap changers) in LV networks. All these solutions are embedded in the Probabilistic Impact Assessment. The technical and economic benefits of each of the solutions are quantified for the 25 networks implemented.
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Books on the topic "Micro-pumps"

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Alatorre-Frenk, Claudio. Cost minimisation in micro-hydro systems using pumps-as-turbines. [s.l.]: typescript, 1994.

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Book chapters on the topic "Micro-pumps"

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Schomburg, Werner Karl. "Micro Pumps." In Introduction to Microsystem Design, 277–99. Berlin, Heidelberg: Springer Berlin Heidelberg, 2015. http://dx.doi.org/10.1007/978-3-662-47023-7_18.

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Vosseler, Michael, M. Jugl, M. Blaesing, D. Hradetzky, S. Messner, and R. Zengerle. "Integration of microneedle-arrays and micro pumps in disposable and cheap drug delivery devices." In IFMBE Proceedings, 2364–67. Berlin, Heidelberg: Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-540-89208-3_567.

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Ki, Wing-Hung, Yan Lu, Feng Su, and Chi-Ying Tsui. "Analysis and Design Strategy of On-Chip Charge Pumps for Micro-power Energy Harvesting Applications." In VLSI-SoC: Advanced Research for Systems on Chip, 158–86. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-32770-4_10.

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Chang, Chen Min, S. K. Hsiung, and Gwo Bin Lee. "A Micromachine-Based Flow Cytometer Chip Integrated with Micro-Pumps/Valves for Multi-Wavelength Detection Applications." In Materials Science Forum, 637–42. Stafa: Trans Tech Publications Ltd., 2006. http://dx.doi.org/10.4028/0-87849-990-3.637.

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Jabari, Farkhondeh, Behnam Mohammadi-Ivatloo, and Mohammad Rasouli. "Optimal Planning of a Micro-combined Cooling, Heating and Power System Using Air-Source Heat Pumps for Residential Buildings." In Energy Harvesting and Energy Efficiency, 423–55. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-49875-1_15.

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Weng, Kuo-Yao. "Thermolysis Reaction Actuating Pumps, TRAP." In Micro Total Analysis Systems 2001, 409–10. Dordrecht: Springer Netherlands, 2001. http://dx.doi.org/10.1007/978-94-010-1015-3_180.

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McBride, Sterling E., Richard M. Moroney, and William Chiang. "Electrohydrodynamic Pumps for High-Density Microfluidic Arrays." In Micro Total Analysis Systems ’98, 45–48. Dordrecht: Springer Netherlands, 1998. http://dx.doi.org/10.1007/978-94-011-5286-0_10.

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Kamphuis, René, Bart Roossien, Frits Bliek, Albert van de Noort, Jorgen van de Velden, Johan de Wit, and Marcel Eijgelaar. "Market Optimization of a Cluster of DG-RES, Micro-CHP, Heat Pumps and Energy Storage within Network Constraints: The PowerMatching City Field Test." In Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering, 208–14. Berlin, Heidelberg: Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-19322-4_22.

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Juntunen, Jouni K. "Domestication of small-scale renewable energy systems – A case study of air heat pumps, residential micro wind stations and solar thermal collectors in Finland." In Design for Innovative Value Towards a Sustainable Society, 165–70. Dordrecht: Springer Netherlands, 2012. http://dx.doi.org/10.1007/978-94-007-3010-6_33.

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Griffiths, S. K., and R. H. Nilson. "Optimizatiion of Electrokinetic Pumps for Chip-Based Chromatographic Separations." In Micro Total Analysis Systems 2002, 133–35. Dordrecht: Springer Netherlands, 2002. http://dx.doi.org/10.1007/978-94-010-0295-0_44.

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Conference papers on the topic "Micro-pumps"

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Jian, Aoqun, Kai Zhang, Yu Wang, and Xuming Zhang. "Laser-actuated micro-valves and micro-pumps." In TRANSDUCERS 2011 - 2011 16th International Solid-State Sensors, Actuators and Microsystems Conference. IEEE, 2011. http://dx.doi.org/10.1109/transducers.2011.5969407.

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Wu, Junqing, Gaurav Soni, Dazhi Wang, and Carl D. Meinhart. "AC Electrokinetic Pumps for Micro/NanoFluidics." In ASME 2004 International Mechanical Engineering Congress and Exposition. ASMEDC, 2004. http://dx.doi.org/10.1115/imece2004-61836.

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We have developed micropumps for microfluidics that use AC electric fields to drive aqueous fluid motion through micro channels. These pumps operate at relatively low voltages (~5–10Vrms), and high frequencies (~100kHz). They have several distinct advantages over the DC electrokinetic pumps. The low voltages make the pumps well suited for a wide variety of biosensor and “Lab-on-a-Chip” applications (e.g. PCR chip for DNA amplification). The high frequencies minimize electrolysis, so that bubbles do not form on the electrode surfaces, and do not contaminate the working fluid. The pumps can also be used as active valves or precision micro-dispensers.
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Wong, C. Channy, Jeb H. Flemming, Douglas R. Adkins, and Michael A. Plowman. "Evaluation of Mini/Micro-Pumps for Micro-Chem-Lab™." In ASME 2002 International Mechanical Engineering Congress and Exposition. ASMEDC, 2002. http://dx.doi.org/10.1115/imece2002-33674.

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The performance of a selective group of mini and micro-pumps has been evaluated for use in gas phase detection for the Micro-Chem-Lab™. Our major assessment criteria are: flow rate, pressure drop across the pump, and electrical current drawn by the pump. Two pumping configurations have been investigated: (1) upstream pumping to build up pressure head and (2) downstream pumping to draw vacuum. Four mini-pumps (T-Square, SP 250 EC, SP 135 FZ-4, and KNF Neuberger) have been studied. Each of these pumps has been tested to determine whether they meet our requirements of high head pressure, high flow rate, and low power consumption. We have also assessed different mechanisms for pumping gas in micro-domains — specifically, a valveless diffuser/nozzle micro-pump, a LIGA diaphragm micro-pump and a micro drag pump. However our preliminary findings reveal that these micro-pumps do not meet our minimal requirements for use in the μChemLab™.
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Goldschmidtbo¨ing, Frank, Alexander Doll, Andreas Geipel, Martin Wischke, and Peter Woias. "Design of Micro Diaphragm Pumps With Active Valves." In ASME 2006 2nd Joint U.S.-European Fluids Engineering Summer Meeting Collocated With the 14th International Conference on Nuclear Engineering. ASMEDC, 2006. http://dx.doi.org/10.1115/fedsm2006-98506.

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This paper deals with the theory, fabrication and characterization of micro diaphragm pumps with active valves. Three types of micropumps with piezoelectric actuation are presented. Special emphasis is given on the accordance of theory and experiment. The theory is based on a lumped-element approach that is reduced to its basics to enable a reasonable accuracy with a minimized set of conceptional parameters. The experimental results fit well to the theory. The fabrication technology of the micropumps comprises of a silicon bulk micromechanics process in combination with a back-end gluing process of piezoelectric PZT-disks (PZT lead-circonat-titanat) to the silicon diaphragms. The micropumps were developed for different applications. The three- and the four-diaphragm micropumps were designed as high performance drivers for an artificial sphincter prosthesis. They show a maximum flowrate of 4 ml/min and a maximum sustainable backpressure of up to 70 kPa. The two-diaphragm micropump was engineered for an implantable drug delivery device and features a pressure independent dosing for backpressures up to 20 kPa.
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Ben, Yuxing, Dmitri Lastochkin, and Hsueh-Chia Chang. "Faradaic AC Micro-Pumps and Mixers With Orthogonal Electrodes." In ASME 2004 2nd International Conference on Microchannels and Minichannels. ASMEDC, 2004. http://dx.doi.org/10.1115/icmm2004-2414.

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A new electrolyte AC micro-pump and mixer design based on Faradaic reaction polarization is investigated. The non-uniform AC electric field generated by electrode reaction polarizes the electrode surface, exerts a net electric force on the polarized layer and drives a net AC electro-osmotic flow of the electrolyte on the planar microelectrodes. At large electric potentials (>10V) and frequencies of 100 kHz to 1MHz, the flow direction is shown to be opposite to (previously reported) AC pumps due to capacitive charging. Moreover, the velocity has an exponential dependence on the applied electric potential due to the reaction and is hence an order of magnitude higher than the velocity driven by capacitive charging, which has a quadratic dependence. Theoretical analyses demonstrating the possibility of this Faradaic mechanism and some preliminary experimental results are presented.
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Hayes, Brandon, Austin Hayes, Matthew Rolleston, Alexander Ferreira, and James Krisher. "Pulsatory Mixing of Laminar Flow Using Bubble-Driven Micro-Pumps." In ASME 2018 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/imece2018-86937.

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Y-shaped microfluidic channels have been built with Computer Numerical Control (CNC) and laser cutting manufacturing techniques. Fluid is delivered to each port via external syringe pumps. Each Y-shaped channel contains thermal inkjet (TIJ) resistors built using conventional microfabrication techniques. The resistors vaporize water and generate drive bubbles. This work focuses on utilizing TIJ technology as an active mixing technique in microfluidics. By varying the electrical firing frequency of the resistors, fluid was successfully mixed with an effective mixing length equal to the length of the TIJ resistor. As such, we demonstrate the use of TIJ resistors as a scalable, active mixing approach in microfluidics. A metric to characterize the extent of mixing using TIJ resistors was proposed and utilized. In addition, the fundamental framework of TIJ bubble dynamics with respects to mixing was assessed.
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Xia, D. D., and J. Bai. "Simulation Study and Function Analysis of Micro-axial Blood Pumps." In 2005 IEEE Engineering in Medicine and Biology 27th Annual Conference. IEEE, 2005. http://dx.doi.org/10.1109/iembs.2005.1617097.

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Astle, Aaron, Anthony Paige, Luis P. Bernal, Jennifer Munfakh, Hanseup Kim, and Khalil Najafi. "Analysis and Design of Multistage Electrostatically-Actuated Micro Vacuum Pumps." In ASME 2002 International Mechanical Engineering Congress and Exposition. ASMEDC, 2002. http://dx.doi.org/10.1115/imece2002-39308.

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A new concept for a MEMS-fabricated micro vacuum pump is proposed. The pump is designed to operate in air and can be easily integrated into MEMS-fabricated micro fluidic systems. The pump consists of a series of pumping cavities with electrostatically actuated membranes interconnected by electrostatically actuated microvalves. A thermodynamic model of the micropump has been developed and used to determine the pump performance. It is shown that volume ratio plays an important role in the operation of the pump. For a fixed number of stages, at high volume ratio, pumping action is uniformly distributed among the stages. In contrast, at low volume ratio most of the pumping takes place in the latter stages of the pump. Detailed calculations of the flow through key components of the micropump are also reported. In particular the flow through a checkerboard microvalve and electrode perforations is discussed, and new correlations for the pressure loss in these components are proposed.
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Jiang, Zefu, Chong Ma, YiLin Zhong, Kaigui Xie, Bo Hu, Yuhang Guo, YanLin Li, and ChangLin Li. "Capacity Assignment Optimization of CHP Micro-grid with Heat Pumps." In 4th International Conference on Computer, Mechatronics, Control and Electronic Engineering. Paris, France: Atlantis Press, 2015. http://dx.doi.org/10.2991/iccmcee-15.2015.281.

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Fang, J., K. Wang, and K. Böhringer. "SELF-ASSEMBLY OF MICRO PUMPS WITH HIGH UNIFORMITY IN PERFORMANCE." In 2004 Solid-State, Actuators, and Microsystems Workshop. San Diego, CA USA: Transducer Research Foundation, Inc., 2004. http://dx.doi.org/10.31438/trf.hh2004.56.

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Reports on the topic "Micro-pumps"

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SCHUBERT, W. KENT, MARY-ANNE MITCHELL, DARIN CLARENCE GRAF, RANDY J. SHUL, DOUGLAS R. ADKINS, LAWRENCE F. ANDERSON, and KURT O. WESSENDORF. Development of Magnetically Excited Flexural Plate Wave Devices for Implementation as Physical, Chemical, and Acoustic Sensors, and as Integrated Micro-Pumps for Sensored Systems. Office of Scientific and Technical Information (OSTI), May 2002. http://dx.doi.org/10.2172/800963.

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