The purpose of this book is to provide a basic undergraduate level introduction to the subject of heat transfer. The book is the fifth edition of a classic text in the field. The text presents the fundamental principles and the various methodologies used for solving undergraduate heat transfer problems. The text is organized into ten chapters, beginning with an introduction to the basic modes, and progressing through conduction, convection, and radiation. The first chapter presents the basic conduction, convection, and radiation modes of heat transfer, both separately, and combined. This is a positive feature of the text, as students are immediately introduced to the concept of resistance models, which are used to simplify and solve complex combined heat transfer problems. Conduction is presented in two chapters, the first working through standard conduction analysis for steady, multidimensional, and transient problems, and the second covering numerical analysis techniques. A control volume approach has been adopted for this edition, in contrast to the series expansion approach used in previous editions. Convection is covered in four chapters. Starting with boundary layer fundamentals, the text then introduces natural convection, internal convection, and finally external convection. The natural convection chapter has an extended section on finned surfaces, which has a pertinent application to cooling of electronic devices and circuits. A chapter on heat exchangers describes the most common types with representative applications. Liberal use is made of

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The streamwise velocity profiles of low-velocity isothermal axisymmetric jets from nozzles of different diameters were measured and compared with previous experimental data. The objective of the measurements was to examine the dependence of the diffusion of the jet on the outlet conditions. As the outlet velocity was decreased, the centreline velocity decay coefficient began to decrease at an outlet velocity of about 6 m s −" .

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The internal combustion (IC) engine is a complex engineering system with rich thermal/fluid science applications. We have developed Web‐based software written in Java to introduce thermodynamics, fluid mechanics, and heat transfer applications typical of IC engines. In addition, an “on‐line” engine research facility has been constructed to allow engine experimentation over the laboratory Internet using Web browsers. We include a discussion of pedagogical guidelines to be considered for effective on‐line experiments. The engine hardware and architecture of the data acquisition/control/ communication systems are described.

The topic of this paper is the computational modeling of gas injection through various poppet valve geometries in a large bore engine. The objective of the paper is to contribute to a better understanding of the significance of the poppet valve and the piston top in controlling the mixing of the injected fuel with the air in the cylinder. In this paper, the flow past the poppet valve into the engine cylinder is computed for both a low (4 bar) and a high pressure (35 bar) injection process using unshrouded and shrouded valves. Experiments using PLIF (planar laser induced fluorescence) are used to visualize the actual fluid flow for the valve geometries considered. The results indicate that for low injection pressures the gas flow around a typical poppet valve collapses to the axis of symmetry of the valve downstream of the poppet. At high pressure, the gas flow from this simple poppet valve does not collapse, but rather expands outward and flows along the cylinder wall. At high pressures, addition of a shroud around the poppet valve was effective in directing the supersonic flow toward the center of the cylinder. Additional computations with a moving piston show that at top dead center, the flammable volume fraction and turbulence intensity with high pressure shrouded injection are larger than for low pressure injection.

and has served in this capacity since 1999. He has been active in ASEE in the Mechanics Division and the Engineering Technology Division, currently serving on the Executive Board of the Engineering Technology Council. He has also been active in ASME; being awarded the 2009 Ben C. Sparks Medal for excellence in mechanical engineering technology education, serving as a member of the Vision 2030 Task Force, serving as chair elect of the Committee on Engineering Technology Accreditation, serving on the Board of Directors of the ASME Center for Education, and as a member of the Mechanical Engineering Technology Department Head Committee. He has been a program evaluator for both the Society of Manufacturing Engineers (SME) and ASME and currently serves on the Technology Accreditation Council (TAC) of ABET, representing ASME. He also serves on the SME's Manufacturing Education and Research Community steering committee. Before joining ASU, he had been at North Dakota State University where he was a faculty member in the Industrial and Manufacturing Engineering department. His research interests include machining, effective teaching and engineering mechanics. Before coming to academia, he was a design engineer, maintenance supervisor, and plant engineer. He is a registered professional engineer.