Numerical investigation of transient thermal and fluidynamic fields in an executive aircraft cabin Original Research Article Applied Thermal Engineering, Volume 29, Issue 16, November 2009, Pages 3418-3425 Vincenzo Bianco, Oronzio Manca, Sergio Nardini, Mario Roma Close preview | Related articles | Related reference work articles AbstractAbstract | Figures/TablesFigures/Tables | ReferencesReferences Abstract The objective of the present work is the numerical simulation of the thermal and fluid dynamic fields in the cabin of an executive aircraft. A transient analysis is conducted on three-and two-dimensional models of an executive aircraft cabin and a comparison of the two approaches is provided. In the model, a global thermal conductance was considered to take into account both the external environment and the fuselage material. The results, provided in terms of graphs and contours, refer to the three-and two-dimensional models with inclined top inlets with respect to the vertical direction of an angle of 45°. A good qualitative agreement between the results of the two and three-dimensional models is detected. Article Outline Nomenclature 1. Introduction 2. Numerical model 2.1. Governing equations 2.2. Boundary and initial conditions 2.3. Geometrical modelling and grid generation 2.4. Numerical method 3. Results 3.1. Two-dimensional model results 3.2. Three-dimensional model results 4. Conclusions References | Purchase $ 37.95 |
| Do emotions play a mediating role in the relationship between owner leadership styles and manager customer orientation, and performance in service environment? Original Research Article International Journal of Hospitality Management, In Press, Corrected Proof, Available online 10 March 2011 Yong-Ki Lee, Young “Sally” Kim, Moon Hyun Son, Doo-Jin Lee Close preview | Related articles | Related reference work articles AbstractAbstract | Figures/TablesFigures/Tables | ReferencesReferences Abstract This study examines the dynamic relationships among leadership style (transformational and transactional), emotion in service employees, customer orientation (dimensions of enjoyment and needs), and job performance. The study proposes a model based on existing literatures and examines the mediating role of service employees’ emotion in the relationship between leadership style and their customer orientation. The study found that all four elements of transformational leadership have a significant effect on positive emotion. Emotion is found to have a significant influence on both enjoyment and needs dimensions of customer orientation and to partially mediate the relationship between leadership style and customer orientation. Article Outline 1. Introduction 2. Theoretical background and hypotheses 2.1. Leadership style 2.2. Emotion 2.3. Customer orientation 玩具外观设计2.4. Job performance 2.5. Hypotheses 2.5.1. The effect of leadership style on emotion 2.5.2. The effect of emotion on customer orientation and job performance 2.5.3. The effect of customer orientation on job performance 3. Research methods 3.1. Sample and data collection 3.2. Measures 3.2.1. Leadership styles 3.2.2. Emotion 3.2.3. Customer orientation 3.2.4. Performance 4. Results 4.1. Sample characteristics 4.2. Two-step analyses 4.3. Testing of the hypothesized structural model 4.4. Mediation test and an alternative model 5. Discussion 5.1. The effect of leadership style on employees’ emotion 5.2. 搜索改变生活The effect of emotion on customer orientation and job performance 5.3. The effect of customer orientation on job performance 5.4. Emotion as a mediator between leadership style and customer orientation 6. Conclusion Acknowledgements References | Purchase $ 41.95 | ||||||
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| Going beyond technology: Knowledge sharing as a tool for enhancing customer-oriented attitudes Original Research Article International Journal of Information Management, Volume 29, Issue 5, October 2009, Pages 353-361 Iris Reychav, Jacob Weisberg Close preview | Related articles | Related reference work articles AbstractAbstract | Figures/TablesFigures/Tables | ReferencesReferences Abstract Numerous articles, books and essays have shown that ongoing efforts to meet customers’ needs characterize market leaders. For a firm to successfully develop customer-oriented attitudes throughout the entire organization, employees at all levels and sections need to be committed to providing a high level of service. It is therefore essential to understand what drives employees – especially those who do not interact daily with customers – to adopt a customer-oriented attitude. The aim of this study is to shed some light on one facet of this relationship, namely the mechanism of knowledge sharing that may impact employee customer orientation. The underlying notion is that technology, in its various advanced forms of CRM software, enhances and enables client “knowing.” In other words, it leads to a greater ability on the part of employees to share knowledge, which brings about real customer orientation. This paper provides empirical evidence, based on a sample of 345 Hi-Tech workers from a telecommunication company, of a link between sharing explicit knowledge and tacit knowledge to enhance customer orientation. The findings indicate that sharing tacit knowledge has a positive effect on increasing employee customer orientation and increases sharing of explicit knowledge, while also strengthening communication about customers in the organization. It is concluded that firms should encourage tacit knowledge sharing and its transformation by technology into explicit knowledge to augment employees’ customer-oriented attitudes. Article Outline 1. Introduction 2. Customer orientation 2.1. Customer-oriented behavior 2.2. Customer-oriented attitude 3.1. Theoretical framework 3.1.1. Explicit knowledge sharing and customer-oriented attitudes 3.1.2. Tacit knowledge sharing and customer-oriented attitudes 3.1.3. Knowledge conversion and customer-oriented attitudes 4. Methods 抚州地质学院4.1. Measures 4.1.1. Knowledge sharing 4.1.2. Customer-oriented attitudes 4.1.3. Control variables steerorear5. Results 5.1. Regression analysis 5.2. Structural equation modeling 6. Discussion Appendix A. Results of exploratory factor analysis References Vitae | Purchase jnc mp3$ 19.95 | ||||||
| A data processing method for determining instantaneous angular speed and acceleration of crankshaft in an aircraft engine–propeller system using a magnetic encoder Original Research Article Mechanical Systems and Signal Processing, Volume 24, Issue 4, May 2010, Pages 1032-1048 S.D. Yu, X. Zhang Close preview | Related articles | Related reference work articles AbstractAbstract | Figures/TablesFigures/Tables | ReferencesReferences Abstract This paper presents a method for determining the instantaneous angular speed and instantaneous angular acceleration of the crankshaft in a reciprocating engine and propeller dynamical system from electrical pulse signals generated by a magnetic encoder. The method is based on accurate determination of the measured global mean angular speed and precise values of times when leading edges of individual magnetic teeth pass through the magnetic sensor. Under a steady-state operating condition, a discrete deviation time vs. shaft rotational angle series of uniform interval is obtained and used for accurate determination of the crankshaft speed and acceleration. The proposed method for identifying sub- and super-harmonic oscillations in the instantaneous angular speeds and accelerations is new and efficient. Experiments were carried out on a three-cylinder four-stroke Saito 450R model aircraft engine and a Solo propeller in connection with a 64-teeth Admotec KL2202 magnetic encoder and an HS-4 data acquisition system. Comparisons with an independent data processing scheme indicate that the proposed method yields noise-free instantaneous angular speeds and is superior to the finite difference based methods commonly used in the literature. Article Outline 1. Introduction 2. Description of the proposed processing scheme 2.1. Selection of encoder teeth and sampling frequency 2.2. Some basic definitions 2.3. Procedure for determining IAS and IAA 2.3.1. Determination of zero-crossing times 2.3.2. Determination of mean speed 2.3.3. Deviation time vs. angular position series 2.3.4. Fourier series representation of the deviation time vs. angular position series 2.3.5. Error analysis 3. Validation and application of the proposed scheme 3.1. Experimental setup 3.2. Validations of the proposed data processing scheme 4. Applications 5. Conclusions Acknowledgements References | Purchase $ 35.95 | ||||||
| Designing the airport airside for the new large aircraft Original Research Article Journal of Air Transport Management, Volume 8, Issue 2, March 2002, Pages 121-127 Alexandre G. de Barros, S. C. Wirasinghe Close preview | Related articles | Related reference work articles AbstractAbstract | Figures/TablesFigures/Tables | ReferencesReferences Abstract Aircraft manufacturers are developing double decked aircraft known as new large aircraft (NLA) to cope with the growth in demand for air transportation. Because of the greater dimensions, the introduction will require changes in the airside configuration of practically all airports where they are to operate. Even for new airports, revised standards may be necessary to take into consideration the innovative technological features that will be present on those aircraft. This paper reviews the main issues related to the compatibility of the NLA with the airport airside and the related solutions that have been proposed. Article Outline 1. Introduction 2. NLA/airside issues 2.1. Airport design standards 2.2. Air traffic control (ATC) 2.3. Airfield geometric design 2.3.1. Runway length and width 2.3.2. Runway clearances 2.3.3. Taxiway design 2.4. Miscellaneous 2.5. Summary Acknowledgements References | Purchase $ 35.95 | ||||||
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