Academic literature on the topic 'Restrictor'

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Journal articles on the topic "Restrictor"

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Zheng, Yueqing, Guangwei Yang, Hailong Cui, and Yu Hou. "Improving the stiffness of the aerostatic thrust bearing by using a restrictor with multi-orifice series." Proceedings of the Institution of Mechanical Engineers, Part J: Journal of Engineering Tribology 234, no. 12 (2020): 1881–91. http://dx.doi.org/10.1177/1350650119898957.

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To improve the stiffness of the orifice-type aerostatic bearing, a new construction of orifice restrictor with multiple orifices in series was proposed to enhance the restriction effect. The restriction effects of the restrictors with multiple orifices in series were studied numerically. Based on a circular aerostatic thrust bearing with a central feedhole, the effect of the bearing stiffness improved by the restrictors with multiple orifices in series was studied. The results show that the aerostatic bearing with the restrictors with multiple sub-orifices in series shows higher maximal bearin
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Jeffery, J. A. "Efficacy of Two Types of Femoral Cement Restrictor in Total Hip Arthroplasty." HIP International 7, no. 1 (1997): 28–33. http://dx.doi.org/10.1177/112070009700700104.

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Distal occlusion of the femoral canal in total hip arthroplasty is important for cement pressurisation. Failure to adequately restrict cement may result in earlier prosthetic loosening and a longer column of distal cement which may make revision surgery more difficult. A standard plastic restrictor (Hardinge type) was compared with a bone plug restriction method in a randomised, prospective trial of 50 patients. Both types of restrictor failed to adequately restrict cement in over 50% of cases.
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Zhang, Xiao Feng, and Bin Lin. "Theoretical Research on Aerostatic Rectangular Guideways with Finite Difference Method." Key Engineering Materials 339 (May 2007): 371–76. http://dx.doi.org/10.4028/www.scientific.net/kem.339.371.

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The load capacity and stiffness of the aerostatic rectangular guideways, which apply annular orifice restrictor and porous restrictor respectively, were analyzed with finite difference method in this paper. A program for solving the pressure distribution, load capacity and stiffness is programmed with VB. The calculated results show that the rise of supply pressure is good for improving the load capacity and stiffness of guideways. The decrease of the orifice diameter in annular orifice restriction and the permeability in porous restriction is advantageous to improve the stiffness of guideways
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Chen, Chu Wei, Wei Du, Jia Qi Sun, Wei Liu, Yuan Chang, and Wei Dong. "Simulation Analysis and Design of Intake Restrictor of FSAE Race Car." Applied Mechanics and Materials 602-605 (August 2014): 751–56. http://dx.doi.org/10.4028/www.scientific.net/amm.602-605.751.

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For the intake restrictors which are designed in line with FSAE race stipulations, this paper carries out compute simulation on the convergent section and divergent section of the intake restrictors via CFD software; the paper systemically analyzes the distribution characters of its flow field, thus obtaining optimal design scheme. It finds through simulation that: when the converging half angle of the restrictor is less than 45°, the outlet flow of the restrictor will decrease as the converging half angle increases; meanwhile, the divergence half angle will affect the outlet flow of the restr
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Li, Yuntang, Yueliang Ye, Ruirui Li, Pengfeng Wang, and Fangfang Zhang. "Structure design and performance analysis of aerostatic thrust bearing with compound restrictors." MATEC Web of Conferences 355 (2022): 03070. http://dx.doi.org/10.1051/matecconf/202235503070.

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Aerostatic thrust bearing compensated by multi-orifices and porous material restrictor simultaneously is proposed to improve the static performance of the bearing. Load Carrying Capacity (LCC), stiffness and the flow field characteristics of the bearing are obtained by Computational Fluid Dynamic (CFD) simulation. The influences of supply pressure, orifice number, orifice diameter, orifice distribution, porous material thickness and permeability coefficient on the bearing performance are analysed. It is indicated that LCC and stiffness of the bearing with compound restrictors are much higher t
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Liu, Zichao, Wei Pan, Changhou Lu, and Yongtao Zhang. "Numerical analysis on the static performance of a new piezoelectric membrane restrictor." Industrial Lubrication and Tribology 68, no. 5 (2016): 521–29. http://dx.doi.org/10.1108/ilt-07-2015-0098.

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Purpose This paper aims to establish an accurate mathematical model of a piezoelectric membrane restrictor that can be applied to control the shaft’s centerline orbit. Design/methodology/approach The methodology uses three coupled equations to establish a mathematical model of the piezoelectric membrane restrictor – Reynolds equation, the membrane deformation equation and the flow rate equation. A data identification method is used to propose the flow rate formulas for the piezoelectric membrane restrictor. Findings It has been found that the structural parameters, the membrane center deformat
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Khakse, Prashant G., and Vikas M. Phalle. "Restrictor-based studies of hybrid hole-entry conical journal bearings." Industrial Lubrication and Tribology 73, no. 5 (2021): 708–17. http://dx.doi.org/10.1108/ilt-10-2020-0379.

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Purpose This paper aims to describe how successfully a particular restrictor delivers its best in increasing the conical journal bearing performance. The restrictors are used in the hole-entry conical journal bearing subjected to hybrid mode. Thus, the restrictors, like constant flow valve (CFV), orifice and capillary, are studied comparatively. Design/methodology/approach Numerical simulation for the bearing results with the three restrictors are obtained by using finite element method (FEM) under the well-known modified Reynolds equation. Findings When the hole-entry conical journal bearings
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Sushil, Pant, Kumar Pankaj, and Kishor Ranjan. "Design and Analysis of Air Intake System for Single Cylinder Engine." International Journal of Trend in Scientific Research and Development 2, no. 2 (2018): 357–79. https://doi.org/10.31142/ijtsrd8388.

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Our understanding of Air flow behavior around an object makes us better designer in order to achieve better performances from our automobiles. In this paper we present an analysis of air flow via air intake system required to meet FSAE norms in SUPRA Vehicles.The aim of this project is to create a flow restriction device to be fitted in the SAE Society of Automotive Engineers car being built by Team Zenith, GB Pant Engineering College, New Delhi. The car is an open wheeled race vehicle, designed to go from 0 60 mph in under 4 seconds and have a top speed of about 80 90 mph.An Air intake system
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Lu, Feng, Zhenzhong Wang, Pengli Lei, and Yi Chen. "Study on the Static Characteristics of a Pre-Pressure Single-Action Membrane-Type Restrictor Used in a Single Oil Pad." Machines 10, no. 5 (2022): 302. http://dx.doi.org/10.3390/machines10050302.

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In order to further improve the static stiffness of the hydrostatic bearing with the membrane-type restrictor, in this study, a static characteristics model of the pre-pressure single-action membrane-type restrictor (PSMR) is derived, and the criteria for achieving the optimum stiffness of the restrictor are summarized. A PSMR design method following the criteria of optimal stiffness is proposed. Then, the effect of design parameters on the performance of the restrictor is accurately evaluated by numerical simulation and orthogonal experiment with the grinder oil pad, as an example. Finally, t
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Lu, Feng, Zhenzhong Wang, Pengli Lei, and Yi Chen. "Study on the Static Characteristics of a Pre-Pressure Single-Action Membrane-Type Restrictor Used in a Single Oil Pad." Machines 10, no. 5 (2022): 302. http://dx.doi.org/10.3390/machines10050302.

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In order to further improve the static stiffness of the hydrostatic bearing with the membrane-type restrictor, in this study, a static characteristics model of the pre-pressure single-action membrane-type restrictor (PSMR) is derived, and the criteria for achieving the optimum stiffness of the restrictor are summarized. A PSMR design method following the criteria of optimal stiffness is proposed. Then, the effect of design parameters on the performance of the restrictor is accurately evaluated by numerical simulation and orthogonal experiment with the grinder oil pad, as an example. Finally, t
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Dissertations / Theses on the topic "Restrictor"

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Bednář, Martin. "Automatické testování projektu JavaScript Restrictor." Master's thesis, Vysoké učení technické v Brně. Fakulta informačních technologií, 2020. http://www.nusl.cz/ntk/nusl-432879.

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The aim of the thesis was to design, implement and evaluate the results of automatic tests for the JavaScript Restrictor project, which is being developed as a web browser extension. The tests are divided into three levels - unit, integration, and system. The Unit Tests verify the behavior of individual features, the Integration Tests verify the correct wrapping of browser API endpoints, and the System Tests check that the extension does not suppress the desired functionality of web pages. The System Tests are implemented for parallel execution in a distributed environment which has succeeded
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Dollhopf, Matthew John. "NASCAR RESTRICTOR PLATE EXHAUST MANIFOLD DESIGN STRATEGIES." Master's thesis, University of Central Florida, 2004. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/4456.

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This paper presents the results of a study on exhaust manifold design for a NASCAR Restrictor plate internal combustion engine. A computer simulation model was developed using Ricardo WAVE software. WAVE is a computer-aided engineering code developed by Ricardo to analyze the dynamics of pressure waves, mass flows and energy losses in ducts, plenums and the intake and exhaust manifolds of various systems and machines. [1] The model was validated against experimental data from a current NASCAR Winston Cup restrictor plate motor. The parameters studied have been exhaust manifold diameters and le
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Tao, Fuyang. "Experimental study of restrictor noise in ventilation duct systems." Thesis, University of Southampton, 2016. https://eprints.soton.ac.uk/398630/.

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Single-hole restrictors are widely used in the aircraft air distribution system (ADS). The noise generated due to the flow passing over the restrictor is a main interior noise source of the cabin. Prediction of the restrictor noise generation is important for a quite ADS design. This work experimentally and analytically studies the noise generation mechanisms of the single-hole restrictor. An experimental rig to investigate the restrictor self-noise and interaction noise generated by the turbulent wake produced by in-duct elements installed in the duct and impinging on the restrictor has been
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Lindley, Dustin. "Design and Optimization of a Throttle and Restrictor for Formula SAE." University of Cincinnati / OhioLINK, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1346171359.

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Švancár, Matúš. "Přenos bezpečnostních opatření z prohlížeče Brave do rozšíření JavaScript Restrictor." Master's thesis, Vysoké učení technické v Brně. Fakulta informačních technologií, 2021. http://www.nusl.cz/ntk/nusl-445495.

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Users of internet browsers are constantly monitored, without their consent. By using the JavaScript APIs, it is possible to obtain various information about the browser, which together form a browser fingerprint, which can then be misused. Therefore, the goal of this work is to use a robust fingerprint protection solution of Brave browser and port it to the JavaScript Restrictor extension. In this work, the problematics of obtaining an fingerprint and countermeasures in the Brave browser are analyzed and then compared with the current protection in the JSR extension. The method of porting of B
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Stone, Mark Adam. "Improving Off-line and On-line Supercritical Fluid Extraction Techniques by Elevating the Post-Restrictor Pressure." Diss., Virginia Tech, 2001. http://hdl.handle.net/10919/26623.

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The high flow rate that results as fluid decompresses through the restrictor is arguably the single greatest problem with supercritical fluid extraction techniques. As a result of these high flow rates, solvent trapping is not efficient in many cases, and the more complicated sorbent trapping technique must be used. In addition, loss of the collection solvent may occur during the process making it difficult to work with small volumes, which are desirable from the standpoint of sensitivity, cost, and environmental concerns. Similarly, these high decompressed flows have made it difficult to dir
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Chládek, Martin. "Výroba jezdce." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2013. http://www.nusl.cz/ntk/nusl-230449.

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Slider is a part of turn restrictor mechanism designed by company TOKOZ a.s. It is a part with complicated form and small dimensions from material DC04 (equivalent according to Czech standard ČSN 11 305.21). As the most suitable option for part manufacturing was chosen cutting and bending in progressive die. A design of forming layout with 11 stations was made and considering the outcomes of related calculations preliminarily selected presses LEXN 100 and Kaiser KSTU 1600. Subsequently was designed one row progressive die. Based on this designs were made few variants of part price calculations
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Řehák, Ivo. "Návrh sacího traktu pro vůz Formule SAE." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2008. http://www.nusl.cz/ntk/nusl-228026.

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Thesis is bend on design of intake manifold for car Formula SAE. For driving of this car is used engine Yamaha YZF R6 (2005). Design of intake tract is processed so that agrees with rules and specifications for cars Formula SAE. For restriction of engine performance is in intake tract installed restrictor. For filling efficiency uplift of engine is used the resonance effect in intake pipes. Analysis of flow is carry out on simulation software for analyses of one dimensional flow.
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Adámek, Ladislav. "Zvýšení pružnosti zážehového jednoválcového motoru formule Student." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2011. http://www.nusl.cz/ntk/nusl-229714.

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Diplomová práce je zaměřena na konstrukční návrh sacího potrubí pro vůz Formula Student. Pro pohon vozu je použit jednoválcový atmosférický benzinový motor Husaberg FE 570. Sací potrubí je navrhováno tak, aby bylo v souladu s pravidly Formula Student. Pro zvýšení plnící účinnosti sací potrubí využívá resonančního efektu. Délky sacího potrubí byly spočítány v software Lotus Engine simulation.
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Pavličík, Lukáš. "Sací potrubí jednoválcového motoru." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2014. http://www.nusl.cz/ntk/nusl-231694.

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The aim of this diploma thesis is to create a thermodynamic computational model of a single cylinder IC engine for the Formula SAE car. The single cylinder SI engine KTM 500 EXC is considered as a powertrain unit. The intake manifold of the serial enduro motorcycle is modified according to the Formula SAE 2014 rules. Analysis of the one dimensional flow is performed by using Lotus engine simulation software.
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Books on the topic "Restrictor"

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Beal, Jeanette K. Restricted. The author, 2005.

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Hill, Novella S. Fat controlled, cholesterol restricted, calorie restricted, sodium restricted diet. Dept. of the Air Force, Headquarters US Air Force], 1987.

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Svinterikou, Sofia. RESTRICTED THESIS. UMIST, 1997.

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Pingoud, Alfred M., ed. Restriction Endonucleases. Springer Berlin Heidelberg, 2004. http://dx.doi.org/10.1007/978-3-642-18851-0.

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Wherrett, D. K. RESTRICTED THESIS. UMIST, 1992.

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Cole, Olivia. Restricted view. Salt, 2009.

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Vayou, M. V. RESTRICTED THESIS. UMIST, 1992.

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Overton, R. A. RESTRICTED THESIS. UMIST, 1993.

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Jayantilal, A. RESTRICTED THESIS. UMIST, 1995.

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Pizzinga, Adrian. Restricted Kalman Filtering. Springer New York, 2012. http://dx.doi.org/10.1007/978-1-4614-4738-2.

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Book chapters on the topic "Restrictor"

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Gooch, Jan W. "Restrictor Bar." In Encyclopedic Dictionary of Polymers. Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-6247-8_9985.

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Gooch, Jan W. "Restrictor Ring." In Encyclopedic Dictionary of Polymers. Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-6247-8_9986.

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Zhang, Lei. "Domain Restrictor Chúfēi and Relevant Constructions." In Lecture Notes in Computer Science. Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-49508-8_56.

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Pavankumar, A. V., R. Suraj, Puneet Kumar, H. S. Shiva Prasad, and Kumar K. Gowda. "Parametric Optimization of FSAE Restrictor for Random Vibrational Analysis." In Lecture Notes in Mechanical Engineering. Springer Singapore, 2016. http://dx.doi.org/10.1007/978-981-10-1771-1_28.

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Mizumoto, H., T. Matsubara, H. Yamamoto, K. Okuno, and M. Yabuya. "An Infinite-stiffness Aerostatic Bearing with an Exhaust-control Restrictor." In Progress in Precision Engineering. Springer Berlin Heidelberg, 1991. http://dx.doi.org/10.1007/978-3-642-84494-2_35.

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Wang, Hui-wu, Jia-hui Cheng, Chun-guo Zhou, Lei Zhu, and Guang-hai Zhang. "Design of the Structure and Key Process Parameters for Preset Restrictor." In Springer Series in Geomechanics and Geoengineering. Springer Nature Singapore, 2025. https://doi.org/10.1007/978-981-96-4528-2_34.

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Kundu, S., Mukesh Kumar, S. P. Gupta, A. Vaidya, T. Sultan, and S. K. Sinha. "Design and Development of 6-inch Size One Way Flow Restrictor (OWFR)." In Lecture Notes in Mechanical Engineering. Springer Nature Singapore, 2025. https://doi.org/10.1007/978-981-97-7388-6_14.

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Ni, Pan, Ke-ying Wei, Hai-long Meng, and Lei Zheng. "Application of the Coupling Model of Gas Reservior, Wellbore and Restrictor in Sulige Gas Field." In Springer Series in Geomechanics and Geoengineering. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-97-0475-0_96.

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Pintado, Publio, Carmen Ramiro, Angel Luis Morales, Antonio Javier Nieto, and Jose Manuel Chicharro. "High Speed Railway Vehicle Comfort. The Influence of Pneumatic Flow Restrictor Diameter, Rail Irregularities, Speed and Structural Damping and Stiffness." In Lecture Notes in Mechanical Engineering. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-38077-9_109.

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Roberts, R. J., M. Belfort, T. Bestor, et al. "A Nomenclature for Restriction Enzymes, DNA Methyltransferases, Homing Endonucleases, and Their Genes." In Restriction Endonucleases. Springer Berlin Heidelberg, 2004. http://dx.doi.org/10.1007/978-3-642-18851-0_1.

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Conference papers on the topic "Restrictor"

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Kokkula, Prithvi Raj, Shashank Bhojappa, Selin Arslan, and Badih A. Jawad. "Design and Optimization of the Restrictor of a Race Car." In ASME 2015 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/imece2015-52940.

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Formula SAE is a student competition organized by SAE International. The team of students design, manufacture and race a car. Restrictions are imposed by the Formula SAE rules committee to restrict the air flow into the intake manifold by putting a single restrictor of 20 mm. This rule limits the maximum engine power by reducing the mass flow rate flowing to the engine. The pull is greater at higher rpms and the pressure created inside the cylinder is low. As the diameter of the flow path is reduced, the cross sectional area for flow reduces. For cars running at low rpm when the engine require
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Wisniewski, Carl S., Sean R. Niemi, and Matthew J. Traum. "A Sonic Throttle Body Characterization Flow Bench Adapted for Fluids Laboratory Instruction via Energy Engineering Laboratory Module Pedagogy." In ASME 2023 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2023. http://dx.doi.org/10.1115/imece2023-114300.

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Abstract Formula SAE (FSAE) is a competition organized by SAE International where student teams design, manufacture, and race formula type racecars under prescribed constraints. One key engine intake system performance limitation stated in the rules is that “a singular circular restrictor of 20 mm diameter must be placed in between the throttle body and engine”. FSAE racecar throttle bodies are typically open to ambient air, and mass flow through the restrictor limits the engine’s power. Therefore, a central FSAE design focus is maximizing mass flow through the restrictor. Typically, these res
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Pewny, Jannik, and Thorsten Holz. "Control-flow restrictor." In ACSAC '13: Annual Computer Security Applications Conference. ACM, 2013. http://dx.doi.org/10.1145/2523649.2523674.

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Somaya, Kei, and Takao Okabe. "Numerical Investigation of Bearing Characteristics of a Hydrostatic Thrust Bearing with a Flow-Control Restrictor Using a Bending Beam." In 2022 International Conference on Machining, Materials and Mechanical Technologies. Trans Tech Publications Ltd, 2024. http://dx.doi.org/10.4028/p-a0wtbl.

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In general, high-precision machines, such as machine tools and measuring equipment, have employed moving tables with hydrostatic bearings. Hydrostatic bearings for these high-precision applications require high bearing stiffness and response speed. Various flow-control restrictors inserted in oil passages were proposed to improve bearing characteristics. However, the active control of conventional flow-control restrictors has some shortcomings because most flow-control restrictors employ voice coil motors (VCMs), which generally consume a large amount of electricity and raise the oil temperatu
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Yang, Cho-Yun, Cho-Yu Yang, Jia-Wei Lu, Wei-Chih Lee, Yu-Min Hung, and Cheng Kuo Sung. "A Novel Design of a Self-Sensing Compensating Restrictor/Pad Module for Hydrostatic Bearings." In ASME 2014 12th Biennial Conference on Engineering Systems Design and Analysis. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/esda2014-20221.

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This paper proposes the design of a self-sensing compensating restrictor/pad module for hydrostatic bearings. The module consists of a bearing pad and the associated restrictor featuring the characteristics of self-sensing compensation and easy installation. The paper first introduces the configuration of the proposed module. Then, the lumped parameter model was used to derive the equation for the relationship between the pocket pressure and the bearing gap. Furthermore, equations governing the stiffness and load-carrying capacity of the bearing were also obtained. Influences of the design par
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Cauchi, Jonathan, Mario Farrugia, and Noel Balzan. "Engine Simulation of a Restricted FSAE Engine, Focusing on Restrictor Modelling." In Motorsports Engineering Conference & Exposition. SAE International, 2006. http://dx.doi.org/10.4271/2006-01-3651.

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Nakao, Yohichi, Shota Nakatsugawa, Masataka Komori, and Kenji Suzuki. "Design of Short-Pipe Restrictor of Hydrostatic Thrust Bearings." In ASME 2012 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/imece2012-87306.

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High stiffness hydrostatic bearings are needed in order to achieve precise motions of the machine components of ultra-precision machine tools or other precision machines. Design procedure of restrictors of hydrostatic thrust bearings, making bearing stiffness maximize under given conditions, is considered in the paper. In particular, the paper focuses on design of short pipe restrictors that are used in the hydrostatic thrust bearings in many industrial applications. Derived mathematical model predicting load capacity and stiffness of the hydrostatic bearings with short pipe restrictors are ve
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Chen, Cheng-Hsien, Yuan Kang, Yeon-Pun Chang, De-Xing Peng, and Ding-Wen Yang. "Influences of Recess Geometry and Restrictor Dimension on Flow Patterns and Pressure Distribution of Hydrostatic Bearings." In ASME Turbo Expo 2007: Power for Land, Sea, and Air. ASMEDC, 2007. http://dx.doi.org/10.1115/gt2007-28219.

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This paper studies the influences of recess geometry and restrictor dimensions on the flow patterns and pressure distribution of lubricant film, which are coupled effects of hybrid characteristics of a hydrostatic bearing. The lubricant flow is described by using the Navier-Stokes equations. The Galerkin weighted residual finite element method is applied to determine the lubricant velocities and pressure in the bearing clearance. The numerical simulations will evaluate the effects of the land-width ratio and restriction parameter as well as the influence of modified Reynolds number and the jet
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Sathishkumar, A., R. Soundararajan, S. K. Ram Kumar, G. Mahi Kaarthik, R. Raj Vigneshwar, and L. Feroz Ali. "Performance Enhancement through Air Intake Restrictor Tuning by Fluid Flow Analysis for Formula Vehicle." In Automotive Technical Papers. SAE International, 2024. https://doi.org/10.4271/2024-01-5202.

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<div class="section abstract"><div class="htmlview paragraph">SAE Formula Student Car Organization mandates the installation of a 20mm diameter restrictor between the throttle body and the engine inlet. The primary objective of this restrictor is to regulate and reduce the mass flow of air into the engine inlet. To achieve this, a venture nozzle has been selected as the ideal component, to decrease air pressure while simultaneously increasing velocity within the intake manifold. This research project focuses on optimizing the restrictor by strategically adjusting the convergent and
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Ranganathan, Soundararajan, Saravana kumar, Shoban thirunavukkarasu, and Sendil P. Muthuswamy. "Modular Design and Analyze of Air Intake Manifold for Formula Vehicle." In International Conference on Advances in Design, Materials, Manufacturing and Surface Engineering for Mobility. SAE International, 2020. http://dx.doi.org/10.4271/2020-28-0485.

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<div class="section abstract"><div class="htmlview paragraph">The SAE formula student car organization constrained a rule to place a restrictor of diameter 20mm in between the throttle body and the engine inlet. The restrictor is a component that reduces and regulates the mass flow of air into the engine inlet. For this, a venture nozzle will be used as a restrictor in a vehicle to decrease the air pressure and increase the velocity in the intake manifold. Our proposed work aims to minimize the pressure drop by changing the convergent and divergent angles in the restrictor. For thi
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Reports on the topic "Restrictor"

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Aaron, David A., and Piotr A. Domanski. An experimental investigation and modeling of the flow rate of refrigerant 22 through the short tube restrictor. National Institute of Standards and Technology, 1989. http://dx.doi.org/10.6028/nist.ir.89-4120.

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2

Picard, Mary. F/A-18A/B/C/D Main Landing Gear Control Unit Hydraulic 2A Supply Line Pressure Spikes and Emergency Port Restrictor Ground and Flight Tests Evaluation. Defense Technical Information Center, 2002. http://dx.doi.org/10.21236/ada409130.

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De Mello, Joao, Daniel Mejía, and Lucía Suárez. The Pharmacological Channel Revisited: Alcohol Sales Restrictions and Crime in Bogota. Inter-American Development Bank, 2013. http://dx.doi.org/10.18235/0011466.

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This paper attempts to evaluate the impact on crime of the restriction of late-night alcohol sales in Bogota and quantify the causal effect of problematic alcohol consumption on different crime categories. It is found that the restriction reduced deaths and injuries in car accidents and batteries. The results are stronger in areas where the restriction was actually binding and are highly heterogeneous depending on the number of liquor stores restricted at the block level. Finally, the paper measures the impact of the restriction on alcohol consumption (the first stage, or mechanism), and quant
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Chang, Yuwen, Tingting Du, Xiangling Zhuang, and Guojie Ma. Time-restricted eating can lead to weight loss due to energy restriction: A systematic review and meta-analysis based on randomized, controlled trials. INPLASY - International Platform of Registered Systematic Review and Meta-analysis Protocols, 2022. http://dx.doi.org/10.37766/inplasy2022.10.0098.

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Review question / Objective: P: Adults with overweight or obesity; I: Time restricted eating with eating window less than 10 hours and with or without calorie restriction; C: People with eating window more than 12 hours; O: Weight loss, body composition, metabolic risk factors, energy intake and eating window. Condition being studied: Adults with overweight and obesity. Information sources: We search four databases including PubMed, Embase, Scopus and the Cochrane library.
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Baader, Franz, Carsten Lutz, Eldar Karabaev, and Manfred Theißen. A New n-ary Existential Quantifier in Description Logics. Technische Universität Dresden, 2005. http://dx.doi.org/10.25368/2022.151.

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Motivated by a chemical process engineering application, we introduce a new concept constructor in Description Logics (DLs), an n-ary variant of the existential restriction constructor, which generalizes both the usual existential restrictions and so-called qualified number restrictions. We show that the new constructor can be expressed in ALCQ, the extension of the basic DL ALC by qualified number restrictions. However, this representation results in an exponential blow-up. By giving direct algorithms for ALC extended with the new constructor, we can show that the complexity of reasoning in t
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Fink, Eugene, and Derick Wood. Strong Restricted-Orientation Convexity,. Defense Technical Information Center, 1995. http://dx.doi.org/10.21236/ada302164.

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yu, luyou, jinping yang, xi meng, and yanhua ling. Efficacy and safety of acupuncture combined with probiotics in the treatment of type 2 diabetes mellitus with intestinal microbiota disorder: A protocol for systematic review and meta analysis. INPLASY - International Platform of Registered Systematic Review and Meta-analysis Protocols, 2022. http://dx.doi.org/10.37766/inplasy2022.9.0001.

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Review question / Objective: Efficacy and safety of acupuncture combined with probiotics in the treatment of type 2 diabetes mellitus with intestinal microbiota disorder: A protocol for systematic review and meta analysis. Eligibility criteria: 1.The literatures of type 2 diabetes patients were included without restriction on gender, age, race, disease course and blood glucose control of the subjects. 2. The relevant literatures included in human intestinal flora do not strictly restrict the test methods and key indicators of fecal specimens. 3. Relevant literatures with no statistically signi
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Ludvigson, Sydney, Sai Ma, and Serena Ng. Shock Restricted Structural Vector-Autoregressions. National Bureau of Economic Research, 2017. http://dx.doi.org/10.3386/w23225.

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Satterthwait, Arnold C. Conformationally Restricted Synthetic AIDS Vaccine. Defense Technical Information Center, 2001. http://dx.doi.org/10.21236/ada392520.

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10

Chernozhukov, Victor, Whitney K. Newey, and Andres Santos. Constrained conditional moment restriction models. Institute for Fiscal Studies, 2015. http://dx.doi.org/10.1920/wp.cem.2015.5915.

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