ISSN:1061-3773    

DOI:10.1002/cae.6180020401

出版商:John Wiley&Sons, Inc.    

年代:1994

数据来源: WILEY

ISSN:1061-3773    

DOI:10.1002/cae.6180020402

出版商:John Wiley&Sons, Inc.    

年代:1994

数据来源: WILEY

摘要:

AbstractThis report is concerned with a distinct instructional technique that facilitates the teaching of laminar forced convection flow through a horizontal tube exposed to external natural convection. A simple one‐dimensional lumped‐based formulation enabled the determination of the mean bulk and wall temperature distributions of the internal fluid flow as well as the total rate of heat transfer between two axial stations in the region of thermal development. Streamwise‐mean values for the internal and circumferential‐mean values for the external Nusselt numbers have been taken from standard correlations reported in undergraduate textbooks on heat transfer, leading to the immediate calculation of a mean, equivalent Nusselt number, which serves to regulate the thermal interaction between the two fluid streams. Representative results for a complete combination of internal and external fluids, expressed in terms of their respective thermal conductivity ratios, are discussed at length. The thermal quantities were computed with a pocket‐size calculator and compared favorably with those based on a more general and rigorous two‐dimensional differential formulation. The latter was utilized as a baseline solution, and inevitably required a finite‐difference procedure on a pers

ISSN:1061-3773    

DOI:10.1002/cae.6180020403

出版商:John Wiley&Sons, Inc.    

年代:1994

数据来源: WILEY

摘要:

AbstractThis article considers first general aspects of applications of computer algebra to engineering instruction. It is shown that this may have far‐reaching consequences for engineering curricula, as well as for students and instructors. In particular, teaching variational methods and transition from one symbolic code to another are discusse

ISSN:1061-3773    

DOI:10.1002/cae.6180020404

出版商:John Wiley&Sons, Inc.    

年代:1994

数据来源: WILEY

摘要:

AbstractIn this article we describe the development of a C++ program for Windows designed to aid the setting up of a VSAT communications network. The network's purpose is to perform the relevant radio link calculations, taking into consideration aspects such as attenuation by atmospheric gases, clouds, rain, and cross polarization.

ISSN:1061-3773    

DOI:10.1002/cae.6180020405

出版商:John Wiley&Sons, Inc.    

年代:1994

数据来源: WILEY

摘要:

AbstractThis article presents, in a simple manner, a mathematical basis of finite difference method and describes a sample computer program to support the teaching of electromagnetic fields in an undergraduate course. The program is used to demonstrate the flux contours of magnetic fields inside the cores with different configurations. This can help students in their first contact with electromagnetic field analysis problems and in power system elements, and can also help them develop their required software experience based on our procedure.

ISSN:1061-3773    

DOI:10.1002/cae.6180020406

出版商:John Wiley&Sons, Inc.    

年代:1994

数据来源: WILEY