Relevant bibliographies by topics / Departure Frequency

Academic literature on the topic 'Departure Frequency'

Author: Grafiati
Published: 10 December 2022
Last updated: 28 January 2023

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Journal articles on the topic "Departure Frequency"

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Manuela Jr, Wilfred S. "The Impact Of Entry And Competition On Airline Departure Frequency." Journal of Business & Economics Research (JBER) 9, no. 8 (July 26, 2011): 7. http://dx.doi.org/10.19030/jber.v9i8.5290.

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This paper examines how entry and competition impact departure frequency using data from 19902009 on a number of routes served by at least two airlines. The estimated frequency equation indicates that an additional airline at the route level results in a slight decrease in the number of departures despite a substantial increase in passenger traffic since the industry was liberalized in 1995. The results suggest that domestic airlines have shifted to relatively larger aircraft and operate them at higher load factors. The use of larger aircraft operated at higher load factors may indicate their inability to secure additional landing slots, suggesting that investments in air transport infrastructure have not kept pace with demand. Fewer departures indicate that the waiting time between flights has increased, reducing the probability of matching the passengers preferred departure times with scheduled flights. The longer waiting time between flights and more congestion inside the aircraft due to higher load factors suggest that the service quality of air transport has deteriorated in the post-regulation period.
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Joko Suroto, Bambang. "Pengaruh Nilai Wettability terhadap Bubble Departure Diameter dan Bubble Departure Frequency." Jurnal Ilmu dan Inovasi Fisika 1, no. 2 (July 3, 2017): 47–51. http://dx.doi.org/10.24198/jiif.v1i02.15358.

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Gawron, Valerie J., and Thomas A. Ranney. "The Effects of Rumble Strips on Performance of Sober and Alcohol-Dosed Subject Drivers." Proceedings of the Human Factors Society Annual Meeting 32, no. 15 (October 1988): 963–66. http://dx.doi.org/10.1518/107118188786761947.

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Accident studies have identified nighttime conditions on rural roads as particular problems for alcohol-impaired drivers. Uneventful driving is hypothesized to result in progressive degradation of tracking performance and a reduced ability to handle the demands of hazardous locations, such as curves. To address these problems, a simulated rumble strip was evaluated experimentally. Six subjects drove an instrumented vehicle over a closed course under two conditions (presence versus absence of rumble strips) and three levels of BAC (0.00, 0.07, 0.12%). The effects of the rumble strips were evaluated from both road-departure characteristics (lane departure and accident frequency, maximum distance off the road, mean time off the road per departure, time between successive departures) and overall driving performance (means and standard deviations of velocity and lateral position). Rumble-strip presence was associated with increased time between successive left-side departures, increased mean velocity, and reduced speed variability. There were no significant differences between rumble-strip presence and absence for right-side departures.
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Li, Zhihong, Han Xu, Shiyao Qiu, Jun Liu, Kairan Yang, and Jiahao Wu. "Dynamic Optimization of Bus Line Schedule in Commuter Corridor Based on Bus IC Card Data." Journal of Advanced Transportation 2022 (January 13, 2022): 1–10. http://dx.doi.org/10.1155/2022/7064061.

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The aim of this study was to explore the bus operating state of the city bus passenger corridor, taking the minimum bus operating cost and passenger travel cost as the objective function, taking passenger flow demand and operating income as the constraint, and considering the average speed change of the bus line in the bus corridor at different times. This paper proposes a dynamic optimization model of bus route schedule based on bus Integrated Circuit Card (IC Card) data. The optimization variable is the departure frequency of the candidate lines. To solve the model, a dynamic departure interval optimization method based on improved Genetic Algorithm (GA) was designed under different decision preferences. The method includes the calibration of generalized cost functions for passengers and bus companies and grasps the characteristics of bus operating speed changes and the design of departure strategies under different decision preferences. The validity and applicability of the proposed method are verified by a numerical example. We mainly carried out the following work: (1) Dynamic analysis of the time dimension of the bus departure interval takes into account the changes in passenger time characteristics during peak periods. (2) Seven schemes of weight ratio of passenger waiting time cost and bus operation cost were designed, and the departure intervals with different benefit orientations of passengers and operators were discussed, respectively, so as to select the corresponding departure schemes for decision makers under different decision preferences. The results show that (1) the total cost of the 7 different weighting schemes is lower than the actual value by 6.90% to 18.20%; (2) when decision makers need to bias the weight to the bus company, the weight ratio α : β between passengers and bus company is 0.25 : 0.75 which works best. The frequency of departures has been reduced by 6, and at the same time, the total optimized cost is reduced by 18.2%; (3) when decision makers need to bias the weight to the passengers, the weight ratio α : β between the passengers and bus company is 0.75 : 0.25 which works best. The frequency of departures has been increased by 19, and at the same time, the total optimized cost is reduced by 17.7%; and (4) when decision makers consider passengers and bus companies equally, the weight ratio α : β between passengers and bus companies is 0.5 : 0.5, the optimization cost is the closest to the actual cost, the optimization cost is reduced by 6.9%, and the frequency of departures has been increased by 5. The results show that the model in this paper provides a new idea for the information mining of bus routes in the research based on the bus IC Card data and provides an effective tool for the management of different operation decision preferences.
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Situ, Rong, Jiyuan Tu, Guan Heng Yeoh, Takashi Hibiki, Mamoru Ishii, and Michitsugu Mori. "ICONE15-10148 DIMENSIONLESS ANALYSIS OF BUBBLE DEPARTURE FREQUENCY IN FORCED CONVECTIVE SUBCOOLED BOILING FLOW." Proceedings of the International Conference on Nuclear Engineering (ICONE) 2007.15 (2007): _ICONE1510. http://dx.doi.org/10.1299/jsmeicone.2007.15._icone1510_61.

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Young, Lih-jier, and Chin-Hsin Chiu. "Numerical solution of optimal departure frequency of Taipei TMS." IOP Conference Series: Materials Science and Engineering 131 (May 2016): 012024. http://dx.doi.org/10.1088/1757-899x/131/1/012024.

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Situ, R., M. Ishii, T. Hibiki, J. Y. Tu, G. H. Yeoh, and M. Mori. "Bubble departure frequency in forced convective subcooled boiling flow." International Journal of Heat and Mass Transfer 51, no. 25-26 (December 2008): 6268–82. http://dx.doi.org/10.1016/j.ijheatmasstransfer.2008.04.028.

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Mosdorf, Romuald, Tomasz Wyszkowski, and Kamil Dąbrowski. "Multifractal properties of large bubble paths in a single bubble column." Archives of Thermodynamics 32, no. 1 (April 1, 2011): 3–20. http://dx.doi.org/10.2478/v10173-011-0001-9.

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Multifractal properties of large bubble paths in a single bubble columnIn the paper the paths of bubbles emitted from the brass nozzle with inner diameter equal to 1.6 mm have been analyzed. The mean frequency of bubble departure was in the range from 2 to 65.1 Hz. Bubble paths have been recorded using a high speed camera. The image analysis technique has been used to obtain the bubble paths for different mean frequencies of bubble departures. The multifractal analysis (WTMM - wavelet transform modulus maxima methodology) has been used to investigate the properties of bubble paths. It has been shown that bubble paths are the multifractals and the influence of previously departing bubbles on bubble trajectory is significant for bubble departure frequencyfb> 30 Hz.
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Faizan, Muhammad, Shah Hussain, and M. I. Hayee. "Design and Development of In-Vehicle Lane Departure Warning System using Standard Global Positioning System Receiver." Transportation Research Record: Journal of the Transportation Research Board 2673, no. 8 (May 3, 2019): 648–56. http://dx.doi.org/10.1177/0361198119844751.

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A lane departure warning system is a critical element among advanced driver-assistance systems functions, which has significant potential to reduce crashes. Generally, lane departure warning systems use image processing or optical scanning techniques to detect a lane departure. These systems have some limitations, however, such as harsh weather or irregular lane markings having a negative influence on their performance. Integrating global positioning system (GPS) and digital maps of lane-level resolution with an image processing based lane detection system can improve its efficiency but make the overall system more complex and expensive. In this paper, a lane detection method is proposed which uses a standard GPS receiver without any lane-level resolution maps. The proposed algorithm determines the lateral shift of a vehicle by comparing the vehicle’s trajectory acquired by standard GPS receiver to the reference road direction. The reference road direction is extracted from a standard digital mapping database commonly available in any navigational device containing maps with only road-level information. Extensive field tests were performed to evaluate the efficiency of the proposed system. The field test results show that the proposed system can detect a true lane departure with an accuracy of almost 100%. Although no true lane departure was left undetected, occasional false lane departures were detected when the vehicle did not actually depart its lane. Furthermore, a modification in the proposed algorithm was also tested which has significant potential to reduce the frequency of false alarms.
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Hsu, Li Chieh, Wen Chou Huang, Guo Jhih Gao, Kai Yu Chuang, and Ing Youn Chen. "The Heater Size and Viscosity Effects on Thermal Bubble Growth and Dynamics after Departure." Applied Mechanics and Materials 389 (August 2013): 120–25. http://dx.doi.org/10.4028/www.scientific.net/amm.389.120.

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A single bubble growth after boiling in square vertical tube is studied numerically to better understand bubble formation factors and as well as its moving behavior after departure. The effects of heating surface area and viscosity of fluid are investigate with nucleation time, bubble departure time, bubble dimension as well as boiling curve. The study indicate that the larger heating surface area, the smaller bubble departure diameter and higher nucleation frequency. The larger of viscosity of fluid, the smaller moving deviation from central axis after bubble departure and smaller deformation of the bubble.
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Dissertations / Theses on the topic "Departure Frequency"

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Glenn, Stephen T. "Effects of Carbon Nanotube Coating on Bubble Departure Diameter and Frequency in Pool Boiling on a Flat, Horizontal Heater." Thesis, 2009. http://hdl.handle.net/1969.1/ETD-TAMU-2009-08-7058.

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The effects of a carbon nanotube (CNT) coating on bubble departure diameter and frequency in pool boiling experiments was investigated and compared to those on a bare silicon wafer. The pool boiling experiments were performed at liquid subcooling of 10 degrees Celsius and 20 degrees Celsius using PF-5060 as the test fluid and at atmospheric pressure. High-speed digital image acquisition techniques were used to perform hydrodynamic measurements. Boiling curves obtained from the experiments showed that the CNT coating enhanced critical heat flux (CHF) by 63% at 10 degrees Celsius subcooling. The CHF condition was not measured for the CNT sample at 20 degrees Celsius subcooling. Boiling incipience superheat for the CNT-coated surface is shown to be much lower than predicted by Hsu's hypothesis. It is proposed that bubble nucleation occurs within irregularities at the surface of the CNT coating. The irregularities could provide larger cavities than are available between individual nanotubes of the CNT coating. Measurements from high-speed imaging showed that the average bubble departing from the CNT coating in the nucleate boiling regime (excluding the much larger bubbles observed near CHF) was about 75% smaller (0.26 mm versus 1.01 mm)and had a departure frequency that was about 70% higher (50.46 Hz versus 30.10 Hz). The reduction in departure diameter is explained as a change in the configuration of the contact line, although further study is required. The increase in frequency is a consequence of the smaller bubbles, which require less time to grow. It is suggested that nucleation site density for the CNT coating must drastically increase to compensate for the smaller departure diameters if the rate of vapor creation is similar to or greater than that of a bare silicon surface.
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Books on the topic "Departure Frequency"

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Safford, Hugh D. Using fire return interval departure (FRID) analysis to map spatial and temporal changes in fire frequency on national forest lands in California. Albany, CA]: United States Department of Agriculture, Forest Service, Pacific Southwest Research Station, 2014.

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Walsh, Bruce, and Michael Lynch. Using Molecular Data to Detect Selection: Signatures from Recent Single Events. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198830870.003.0009.

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Different types and phases of a selective sweep (hard, soft, partial, polygenic) generate different patterns of departures from neutrality, and hence require different tests. It is thus not surprising that a large number of tests have been proposed that use sequence information to detect ongoing, or very-recently completed, episodes of selection. This chapter critically reviews over 50 such tests, which use information on allele-frequency change, linkage disequilibrium patterns, spatial allele-frequency patterns, site-frequency spectrum data, allele-frequency spectrum data, and haplotype structure. This chapter discusses the domain of applicability for each test, and their strengths and weaknesses. Finally, this chapter examines application of these methods in the search for recent, or ongoing, selection in humans and for genes involved in the domestication process in plants and animals.
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Krasner, Stephen D. The Persistence of State Sovereignty. Edited by Orfeo Fioretos, Tulia G. Falleti, and Adam Sheingate. Oxford University Press, 2016. http://dx.doi.org/10.1093/oxfordhb/9780199662814.013.31.

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Fundamental changes in foundational international institutions, from one kind of structure to another have primarily been precipitated by threats to the core security interests of powerful actors. In the contemporary international system there is no opportunity outside of Europe for a bargaining process that would lead to a transformation of the basic norms and rules of sovereignty. Nevertheless, departures from conventional sovereignty have always been present and will persist, possibly become more frequent. Sovereignty, like every other international system, has always been characterized by organized hypocrisy.
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Belser, Julia Watts. Conquered Bodies in the Roman Bedroom. Oxford University Press, 2017. http://dx.doi.org/10.1093/oso/9780190600471.003.0003.

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This chapter examines tales of beautiful Jewish men and women taken captive by Rome. In these stories, beauty performs potent cultural work. Through sexualized narratives that portray the captive Jew as victim of Roman greed, Bavli Gittin makes use of a common Roman moral trope—concern for luxuria, an insatiable desire for luxury that is also expressed in lust and licentiousness—to critique elite Roman decadence and moral degradation. These stories also reveal a striking departure from the conventional beauty politics of rabbinic culture. Elsewhere, the Babylonian Talmud frequently portrays women’s beauty as a source of spiritual danger to rabbinic men. By contrast, Bavli Gittin portrays the beautiful woman as a victim, not a threat. Amidst situations of overt Roman violence, Bavli Gittin affirms the moral innocence of violated men and women who are subjected to the conqueror’s lust.
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Bingham, Adam. Autumn Afternoons. Oxford University Press, 2017. http://dx.doi.org/10.1093/oso/9780190254971.003.0011.

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This chapter explores the intertextual place and presence of Ozu Yasujiro in the 2004 comedy drama Dogs and Cats by the first-time female director Iguchi Nami. It considers how Ozu as well as the genre, the shomingeki (middle-class home drama) has frequently figured as a marker or signpost of a particular era of cinema, a sociopolitical juncture and/or an attitude to gender in Japan. Taking this intertextuality as a point of departure, the chapter explores how such a presence animates meaning in Iguchi’s film; it analyzes style and structure as a means of elucidating how this young filmmaker distinguishes both herself and the world of her characters through implicit comparison with Ozu. Moreover, it examines how its narrative—about two young women living together under fractious conditions—contributes to discourse on Japanese models of feminisuto filmmaking, the country’s specific sociocultural model of feminism.
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Kramer, Matthew H. Liberalism with Excellence. Oxford University Press, 2017. http://dx.doi.org/10.1093/oso/9780198777960.001.0001.

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During the past several decades, political philosophers have frequently debated whether governments are morally required to remain neutral among reasonable conceptions of excellence and human flourishing. Whereas the numerous followers of John Rawls (and kindred philosophers such as Ronald Dworkin) have maintained that a requirement of neutrality is indeed incumbent on every system of governance, other philosophers—often designated as “perfectionists”—have argued against such a requirement. Liberalism with Excellence enters these debates not by plighting itself unequivocally to one side or the other, but instead by reconceiving each of the sides and thus by redirecting the disputes between them. On the one hand, the book rejects the requirement of neutrality by contending that certain governmental subsidies for the promotion of excellence in sundry areas of human endeavor can be proper and vital. Advocating such departures from the constraint of neutrality, the book presents a version of liberalism that can rightly be classified as “perfectionist.” On the other hand, the species of perfectionism espoused in Liberalism with Excellence diverges markedly from the theories that have usually been so classified. Indeed, much of the book assails various aspects of those theories. What is more, the aspirational perfectionism elaborated in the closing chapters of the volume is reconcilable in most key respects with a suitably amplified version of Rawlsianism. Hence, by reconceiving both the perfectionist side and the neutralist side of the prevailing disputation, Liberalism with Excellence combines and transforms their respective insights.
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Book chapters on the topic "Departure Frequency"

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Weik, Martin H. "frequency departure." In Computer Science and Communications Dictionary, 645. Boston, MA: Springer US, 2000. http://dx.doi.org/10.1007/1-4020-0613-6_7621.

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Li, Yuan, and Bingfeng Si. "The Optimization Model of Urban Transit Departure Frequency." In The 2nd International Symposium on Rail Transit Comprehensive Development (ISRTCD) Proceedings, 379–85. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-37589-7_36.

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Pranoto, I., K. C. Leong, A. A. Rofiq, H. M. Arroisi, and M. A. Rahman. "Study on the Pool Boiling Bubble Departure Diameter and Frequency from Porous Graphite Foam Structures." In Advances in Heat Transfer and Thermal Engineering, 217–23. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-33-4765-6_40.

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Koryagin, Mark, and Alexander Chistyakov. "Interurban Travel Mode Choice Model Which Based on Departures Frequency and Passengers’ Preferences." In International Scientific Siberian Transport Forum TransSiberia - 2021, 964–73. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-96380-4_105.

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Göv, Sabiha Annaç. "SWOT Analysis and a Case Study at Kayseri Airport." In Cases on Digital Strategies and Management Issues in Modern Organizations, 236–54. IGI Global, 2022. http://dx.doi.org/10.4018/978-1-7998-1630-0.ch010.

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In this study, Kayseri Airport, which operates under Dhmi in Kayseri, is discussed within the scope of SWOT analysis. As a result, the most powerful aspect of Kayseri Airport is its proximity to the city, and the weakest dimension of Kayseri Airport is the low frequency of flights during the daytime. The outstanding features of Kayseri Airport regarding the opportunities arising from the external environment are tourism potential of the city, transport modes supporting each other, investments around the airport, supporting civil aviation nationwide, development of trade volume of the city. The most important feature of Kayseri Airport regarding the threats arising from the external environment are that it is not seen as a direct departure/destination point for international flights and distorted construction around the airport land.
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Tolstoy, Leo. "25." In War and Peace. Oxford University Press, 2010. http://dx.doi.org/10.1093/owc/9780199232765.003.0135.

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During that year after his son’s departure, Prince Nikolai Andreevich Bolkonsky’s health and temper became much worse. He grew still more irritable, and it was Princess Marya who generally bore the brunt of his frequent fits of unprovoked anger. He seemed carefully to seek...
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Gatrell, Peter. "Introduction." In Europe on the Move. Manchester University Press, 2017. http://dx.doi.org/10.7228/manchester/9781784994419.003.0001.

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The English writer and critic John Berger regarded the twentieth century as ‘the century of departure, of migration, of exodus, of disappearance: the century of people helplessly seeing others, who were close to them, disappear over the horizon’.1 Berger’s characterisation of ‘helplessness’ invites us to consider not only how people were rendered liable to sudden and involuntary displacement, but also how those processes were represented at the time and subsequently. Global conflicts, revolutions and civil wars have played a major part in these processes of movement and loss, exposing combatants and non-combatants to personal risk. Civilians have frequently been the chief actors in the dramas of ‘departure’ and ‘disappearance’. Massive displacement has not necessarily entailed movement across state borders, although it is only relatively recently that policy-makers have taken into account the large numbers of internally displaced persons in different parts of the world....
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Krishnamurti, T. N., H. S. Bedi, and V. M. Hardiker. "Initialization Procedures." In An Introduction to Global Spectral Modeling. Oxford University Press, 1998. http://dx.doi.org/10.1093/oso/9780195094732.003.0011.

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In this chapter we describe two of the most commonly used initialization procedures. These are the dynamic normal mode initialization and the physical initialization methods. Historically, initialization for primitive equation models started from a hierarchy of static initialization methods. These include balancing the mass and the wind fields using a linear or nonlinear balance equation (Charney 1955; Phillips 1960), variational techniques for such adjustments satisfying the constraints of the model equations (Sasaki 1958), and dynamic initialization involving forward and backward integration of the model over a number of cycles to suppress high frequency gravity oscillations before the start of the integration (Miyakoda and Moyer 1968; Nitta and Hovermale 1969; Temperton 1976). A description of these classical methods can be found in textbooks such as Haltiner and Williams (1980). Basically, these methods invoke a balanced relationship between the mass and motion fields. However, it was soon realized that significant departures from the balance laws do occur over the tropics and the upperlevel jet stream region. It was also noted that such departures can be functions of the heat sources and sinks and dynamic instabilities of the atmosphere. The procedure called nonlinear normal mode initialization with physics overcomes some of these difficulties. Physical initialization is a powerful method that permits the incorporation of realistic rainfall distribution in the model’s initial state. This is an elegant and successful initialization procedure based on selective damping of the normal modes of the atmosphere, where the high-frequency gravity modes are suppressed while the slow-moving Rossby modes are left untouched. Williamson (1976) used the normal modes of a shallow water model for initialization by setting the initial amplitudes of the high frequency gravity modes equal to zero. Machenhauer (1977) and Baer (1977) developed the procedure for nonlinear normal mode initialization (NMI), which takes into account the nonlinearities in the model equations. Kitade (1983) incorporated the effect of physical processes in this initialization procedure. We describe here the normal mode initialization procedure. Essentially following Kasahara and Puri (1981), we first derive the equations for vertical and horizontal modes of the linearized form of the model equations.
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Silber, Norman I. "Our Wartime." In Outside In, 129—C6.N45. Oxford University PressNew York, 2023. http://dx.doi.org/10.1093/oso/9780197635124.003.0007.

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Abstract This chapter considers expatriate Italians in America during the War and also their relationship with family members who remained in Italy during the War. It is often recognized that life on the “home front” for most Americans disrupted ordinary patterns of living, often required separation from loved ones who had gone to fight, entailed adjustment to new domestic and work arrangements, and frequently involved relocation to new jobs in war-related industries. It is less frequently acknowledged that thousands of refugees from Europe already had been subjected to worse upheaval—occasioned by their forced departure and resettlement in the United States. For such families, America’s entry into the War magnified existing difficulties and increased hostility against them, notwithstanding their opposition to Fascism and their gratitude for refuge. War also left Guido and his family—and so many others—understandably concerned about the well-being of the friends and relatives they left behind.
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Kirkpatrick, Jennet. "Expressive Exit." In The Virtues of Exit. University of North Carolina Press, 2017. http://dx.doi.org/10.5149/northcarolina/9781469635392.003.0003.

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This chapter explores the work of Henry David Thoreau, a figure who celebrates the benefits of extracting oneself from political life. It argues that Thoreau’s writings about exit reveal the possibility of a expressive exit, that is, a departure that is political in and of itself. For Thoreau, leaving a political community had the potential to illuminate the iniquitous, evil political agreements and institutions at its core. Thoreau was centrally concerned with the American institution of slavery; therefore, he frequently linked leaving with abolitionism in his writings. But his writings provide a more general understanding of the potentially disruptive effects of leaving in an expressive and ostentatious way, one that draws public attention to the exit itself and its connection with moral injustice.
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Conference papers on the topic "Departure Frequency"

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Brooks, Caleb S., Nicolás Silin, Takashi Hibiki, and Mamoru Ishii. "Experimental Investigation of Bubble Departure Diameter and Bubble Departure Frequency in Subcooled Flow Boiling in a Vertical Annulus." In ASME 2013 Heat Transfer Summer Conference collocated with the ASME 2013 7th International Conference on Energy Sustainability and the ASME 2013 11th International Conference on Fuel Cell Science, Engineering and Technology. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/ht2013-17308.

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Wall nucleation experiments have been performed in a vertical annulus test section for investigation of the bubble departure diameter and bubble departure frequency. The experimental data in forced convective subcooled boiling flow is presented as a parametric study of the effect of wall heat flux, local bulk liquid sub-cooling, liquid flow rate, and system pressure. The data is shown to extend the database currently available in literature to a wider range of system conditions. Along with the current database in forced convective flow, the available models for bubble departure size and frequency are reviewed and compared with the new data. The prediction of the bubble departure frequency is shown to require accurate modeling of the bubble departure diameter which has poor agreement with the experimental database.
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Xiaofeng, Ma, Gao Jianhua, Chen Peng, and Wu Chaozhong. "An inexact bus departure frequency model for traffic pollution control." In 2015 International Conference on Transportation Information and Safety (ICTIS). IEEE, 2015. http://dx.doi.org/10.1109/ictis.2015.7232195.

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Sheng, Rui, Mao Ye, Bensong Zhang, Siming Qian, and Yi Xiong. "Optimizing Departure Frequency of Modern Trams Based on Stochastic Demand." In 19th COTA International Conference of Transportation Professionals. Reston, VA: American Society of Civil Engineers, 2019. http://dx.doi.org/10.1061/9780784482292.267.

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Chen, Yong, Hanzhou Liu, Deqi Chen, and Haidong Liu. "Experimental Investigation on the Characteristics of Bubble Departure Frequency of Subcooled Flow Boiling in Narrow Rectangular Channel." In 2022 29th International Conference on Nuclear Engineering. American Society of Mechanical Engineers, 2022. http://dx.doi.org/10.1115/icone29-93516.

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Abstract Subcooled flow boiling in narrow rectangular channel is a very effective heat transfer method and is very important to nuclear reactor design and thermal hydraulic safety. The departure frequency of bubbles in subcooled boiling flow has direct influence on heat transfer. Subcooled flow boiling experiment is carried out to investigate the effect of different working conditions on the bubble departure frequency in the narrow rectangular channel. Because the test section is composed of quartz glass and Sapphire crystal Glass, it can be observed from four different directions to obtain high quality images. The experiment is conducted with mass fluxes of 400 to 1500 kg/(m2s) and heat flow density between 50∼300 (KW/m2). Besides, the system pressure is 100 kPa to 700kpa and inlet subcooled is 10 to 60 °C. Two types of nucleation sites can be detected from the experimental results: sliding growth and condensation. The bubble departure frequency of sliding is significantly higher than that of condensation. Besides, the effect of different working conditions on the bubble departure frequency in narrow rectangular channels was investigated. Finally, the departure frequency is analyzed and compared with previous models. The results show that the model proposed by Cole is in good agreement with the experimental results.
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Ding Liu, Qiong Tian, and Jianxun Ding. "Optimal transit fare structure and departure frequency under monopoly market regime." In 5th Advanced Forum on Transportation of China (AFTC 2009). IET, 2009. http://dx.doi.org/10.1049/cp.2009.1606.

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Bai, Han, Zheng-hao Xia, Yang-dong Zhao, and Kai-liang Song. "A Departure Frequency Model for Double-Line BRT with Genetic Algorithm." In Tenth International Conference of Chinese Transportation Professionals (ICCTP). Reston, VA: American Society of Civil Engineers, 2010. http://dx.doi.org/10.1061/41127(382)119.

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Chen, Weihong, Ang Guo, and Lixin Yang. "Experimental Investigation of Wall Nucleate Boiling Models in Narrow Channel." In 2013 21st International Conference on Nuclear Engineering. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/icone21-16579.

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Using deionized water as working medium, studies on visualization of the behavior of subcooled boiling bubbles in narrow rectangular channels have been conducted at atmospheric pressure, with the help of a high-speed digital camera. The effects of wall superheat, fluid subcooling and mass flux on the bubble dynamic model of nucleation site density, bubble departure frequency and bubble departure diameter were investigated. This paper analyzed the visual graphic results and obtained quantitative values about bubble nucleation site density, bubble departure frequency and bubble departure diameter under different conditions. Based on the results, wall nucleate boiling models in the conventional channel put forward by Nilanjana Basu have been corrected. The new correlation agrees reasonably well with existing experimental data in 2mm narrow rectangular channel.
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Xu, Chao, Puzhen Gao, and Shaodan Li. "Bubble departure frequency during rolling motion in a single-side heated narrow channel." In 7TH INTERNATIONAL SYMPOSIUM ON MULTIPHASE FLOW, HEAT MASS TRANSFER AND ENERGY CONVERSION. AIP, 2013. http://dx.doi.org/10.1063/1.4816852.

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Deck, Leslie L. "High precision interferometer for measuring mid-spatial frequency departure in free form optics." In Optifab 2007. SPIE, 2007. http://dx.doi.org/10.1117/12.719404.

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Ignacio da Silva, Isabela, Bruno de Andrade, Leonardo Manetti, Jeferson Diehl de Oliveira, and Elaine Maria Cardoso. "SATURATION BOILING OF HFE-7100 ON COPPER SURFACES: BUBBLE DEPARTURE DIAMETER AND BUBBLE FREQUENCY." In 18th Brazilian Congress of Thermal Sciences and Engineering. ABCM, 2020. http://dx.doi.org/10.26678/abcm.encit2020.cit20-0204.

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Reports on the topic "Departure Frequency"

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Yoo, Jun Soo. Bubble Departure Diameter and Bubble Release Frequency Measurement from TAMU Subcooled Flow Boiling Experiment. Office of Scientific and Technical Information (OSTI), December 2016. http://dx.doi.org/10.2172/1364235.

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Safford, Hugh D., and Kip M. Van de Water. Using fire return interval departure (FRID) analysis to map spatial and temporal changes in fire frequency on national forest lands in California. Albany, CA: U.S. Department of Agriculture, Forest Service, Pacific Southwest Research Station, 2014. http://dx.doi.org/10.2737/psw-rp-266.

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Jacobsen, Nils. Linjebussens vekst og fall i den voksende byen: en studie av bybussenes geografiske kvalitet Stavanger – Sandnes 1920 – 2010. University of Stavanger, November 2019. http://dx.doi.org/10.31265/usps.244.

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Linear city bus services are facing increased challenges from city growth. Increased number of inhabitants on increasing acres of built-up areas, makes it demanding to maintain adequate bus services within reasonable catchment areas. Number of departures per hour give a partial description of the bus service quality. Number of departures give reference to the time aspect of bus service quality, but say nothing about the geographical aspect. What part of the entire line network is within reach of direct bus service when frequencies are limited? To address the geographical aspect of bus service quality, the term network ratio is introduced. The term Network Ratio (NR) signifies what part of the entire line network is within reach of direct bus service to or from a certain place in the network. Network Ratio is given as a mathematical term whereby direct bus lines are calculated as a percentage of the entire network. The character and development of Network Ratio in a specific city is illustrated through an analysis of the urban growth of line network and built-up areas in the twin cities of Stavanger and Sandnes. The analysis is covering the period 1920 – 2000 in intervals of 20 years from the first bus lines were established in the urban area. Year 2010 is also included due to major changes implemented right after the turn of the millennium. Development show there is a close relation between bus network and built-up areas. When areas are being built, bus lines follow. The initial fase 1920 – 40 with extensive development of bus lines combined with some areal growth, is followed by a fase of consolidation 1940 – 60. The latter period is characterized by moderate areal growth, extended lines reducing network ratios, and increasing frequencies on the best bus lines. Extensive areal growth in the following period 1960 – 80, implies increased number of bus lines. As a consequence network ratios as well as frequencies are falling in the entire network. In 1960 certain lines had developed as much as 6 departures per hour, while maximum bus line frequency in 1980 has diminished to 2. New bus service development is introduced in the following period between 1980 and 2000. Numerous bus companies are united, and a more comprehensive planning of bus services are applied. The number of bus lines is stabilized at about 40, the fall in network ratio is reduced, and certain lines develop 4 departures per hour. Parallell to the bus development, growth of built-up areas is slowing down due to increased urban renewal with higher densities within built-up areas. In the period 2000 – 2010 new efforts are given to the development of bus services. Development of Network Ratio takes a new direction: The length of network links with high NR is increasing, while links with very low NR are diminishing. Number of bus lines is decreasing, and by 2010 almost 50% of the bus lines are served with 4 departures or more. Passenger comfort is improved in buses as well as on bus stops, and low floor buses are introduced to ease accessibility. Bus service quality is further developed after 2010. Digital services are introduced including digital ticketing, bus service information and real-time information on internet. In addition real-time information is presented at high frequency bus stops through visual screen and auditory speaker. Inside the buses name of next stop is given on screen and through loudspeaker. Further development of the bus services, should include improved Network Ratios in the entire network, as well as increased frequencies on major bus corridors. The latter is a task not only for the bus service planners, but just as well for the city planners and politicians in collaboration with the developers implementing urban density and allocation of important destinations. A last, but not least, objective for bus service development will be to improve punctuality and total travel time. Today a considerable proportion of city bus services are delayed in car traffic congestions. This is occurring especially on main streets and during rush hours. A set of different solutions are needed to address this question: 1. Dedicated bus streets (including car access to limited addresses) 2. Bus lines through local streets in concentrated housing, office and shopping areas. 3. Dedicated bus lane on main streets where possible. 4. Car traffic regulations on main streets without space for extra bus lane. As an overall vision, we need to cultivate the word of Flemming Larsen: urban growth as pearls on a string, as shown in fig. 13 and fig. 14.
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