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Thermal Instability And Heat Transfer Of A Horizontal Layer Of Liquid With Maximum Density And Heated From Below
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Book Synopsis Freezing And Melting Heat Transfer In Engineering by : K. C. Cheng
Download or read book Freezing And Melting Heat Transfer In Engineering written by K. C. Cheng and published by CRC Press. This book was released on 1991-08-01 with total page 824 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume of papers has been produced in memory of Professor R.R. Gilpin, who was a pioneer in the field of freezing phenomena in ice-water systems. The subject has applications in ice formation in industrial plants, technologies for manufacturing crystals in space for semiconductors and computer chips and atmospheric physics and geophysics.
Book Synopsis Thermal Instability and Heat Transfer Characteristics in Water/ice Systems by : Yin-Chao Yen
Download or read book Thermal Instability and Heat Transfer Characteristics in Water/ice Systems written by Yin-Chao Yen and published by . This book was released on 1987 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt: This review discusses problems associated with the anomalous temperature-density relations of water. It covers a) onset of convection, b) temperature structure and natural convective heat transfer, and c) laminar forced convective heat transfer in the water/ice system. The onset of convection in a water/ice system was found to dependent on thermal boundary conditions, not a constant value as in the classical fluids that have a monotonic temperature-density relationship. The water/ice system also exhibits a unique temperature distribution in the melt layer immediately after the critical Rayleigh number is exceeded and soon after it establishes a more or less constant temperature region progressively deepening as the melt layer grows. The constant temperature is approximately 3.2 C for water layers formed from above but varies for melt layers from below. The heat flux across the water/ice interface was found to be a weak power function and to increase linearly with temperature for melted layers from above and below, respectively. Keywords: Density inversion, Heat transfer, Ice, Natural convection, Thermal instability, Water.
Download or read book Applied Mechanics Reviews written by and published by . This book was released on 1974 with total page 628 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book CRREL Report written by and published by . This book was released on 1987 with total page 550 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Low-Gravity Fluid Dynamics and Transport Phenomena by : Robert L. Sani
Download or read book Low-Gravity Fluid Dynamics and Transport Phenomena written by Robert L. Sani and published by AIAA. This book was released on 1990 with total page 786 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Experimental Determination of Heat Transfer Coefficients in Water Flowing Over a Horizontal Ice Sheet by : Virgil J. Lunardini
Download or read book Experimental Determination of Heat Transfer Coefficients in Water Flowing Over a Horizontal Ice Sheet written by Virgil J. Lunardini and published by . This book was released on 1986 with total page 98 pages. Available in PDF, EPUB and Kindle. Book excerpt: Experiments to study the melting of a horizontal ice sheet with a flow of water above it were conducted in a 35 m long refrigerated flume with a cross section of 1.2x1.2 m. Water depth, temperature, and velocity were varied as well as the temperature and initial surface profile of the ice sheet. The heat transfer regimes were found to consist of forced turbulent flow at high Reynolds numbers with a transition to free convection heat transfer. There was no convincing evidence of a forced laminar regime. The data were correlated for each of the regimes, with the Reynolds number, Re, or the Grashof number combined with the Reynolds number as Gr/Re to the 2.5 power used to characterize the different kinds of heat transfer. For water flowing over a horizontal ice sheet, the melting heat flux, for low flow velocities, was not found to drop below the value for the free convection case-488.5 W/sq m-as long as the water temperature exceeds 3.4 C. This is significant since the free convection melt values far exceed those for laminar forced convection. At the low flow velocities, the melting flux was not dependent upon the fluid temperature until the water temperature dropped below 3.4 C, when q sub c = 135.7 (Delta T). In general, the heat transfer was found to significantly exceed that of non-melting systems for the same regimes. This was attributed to increased free stream turbulence, thermal instability due to the density maximum of water near 4 C, and the turbulent eddies associated with the generation of a wavy ice surface during the melting.
Book Synopsis Heating and Cooling with Ground-Source Heat Pumps in Cold and Moderate Climates by : Vasile Minea
Download or read book Heating and Cooling with Ground-Source Heat Pumps in Cold and Moderate Climates written by Vasile Minea and published by CRC Press. This book was released on 2022-04-19 with total page 397 pages. Available in PDF, EPUB and Kindle. Book excerpt: Heating and Cooling with Ground-Source Heat Pumps in Cold and Moderate Climates: Fundamentals and Basic Concepts covers fundamentals and design principles of vertical and horizontal indirect and direct expansion closed-loop, as well as ground and surface-water ground-source heat pump systems. It explains the thermodynamic aspects of mechanical and thermochemical compression cycles of geothermal heat pumps, and describes the energetic, economic, and environmental aspects associated with the use of ground-source heat pump systems for heating and cooling residential and commercial/institutional buildings in moderate and cold climates. Based on the author's more than 30 years of technical experience Focuses on ground-source heat pump technologies that can be successfully applied in moderate and cold climates Discusses technical aspects as well as the most common and uncommon application fields of basic system configurations This work is aimed at designers of HVAC systems, as well as geological, mechanical, and chemical engineers implementing environmentally-friendly heating and cooling technologies for buildings.
Book Synopsis Heating and Cooling with Ground-Source Heat Pumps in Moderate and Cold Climates, Two-Volume Set by : Vasile Minea
Download or read book Heating and Cooling with Ground-Source Heat Pumps in Moderate and Cold Climates, Two-Volume Set written by Vasile Minea and published by CRC Press. This book was released on 2022-07-30 with total page 841 pages. Available in PDF, EPUB and Kindle. Book excerpt: Heating and Cooling with Ground-Source Heat Pumps in Moderate and Cold Climates, Two-Volume Set focuses on the use of very low-temperature geothermal energy for heating and cooling residential, institutional, and industrial buildings, and aims to increase the design community’s awareness and knowledge of the benefits, design, and installation requirements of commercial/institutional building ground-source heat pumps (GSHP). This set helps readers assess applicability, select a GSHP system type, and estimate building thermal load to ensure proper size for ground-source subsystems, appropriate brine and groundwater flow rates, and apt design of building closed-loops with distributed or central geothermal heat pumps. The first volume addresses fundamentals and design principles of vertical and horizontal indirect and direct expansion closed-loop, as well as ground- and surface-water ground-source heat pump systems. It explains the thermodynamic aspects of mechanical and thermochemical compression cycles of geothermal heat pumps, as well as the energetic, economic, and environmental aspects associated with the use of ground-source heat pump systems for heating and cooling residential and commercial/institutional buildings in moderate and cold climates. The second volume focuses on applications and cases studies of ground-source heat pumps in moderate and cold climates. It details technical aspects, as well as the most common and uncommon application fields of basic system configurations. The principles of system integrations and applications in moderate and cold climates are also presented, each followed by case studies. This comprehensive work is aimed at designers of HVAC systems, as well as geological, mechanical, and chemical engineers implementing environmentally-friendly heating and cooling technologies for buildings.
Book Synopsis Heat Transfer 1970 by : Ulrich Grigull
Download or read book Heat Transfer 1970 written by Ulrich Grigull and published by . This book was released on 1970 with total page 574 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Convection in Porous Media by : D.A. Nield
Download or read book Convection in Porous Media written by D.A. Nield and published by Springer Science & Business Media. This book was released on 2013-03-09 with total page 546 pages. Available in PDF, EPUB and Kindle. Book excerpt: A user-friendly introduction to convection in porous media, such as fibrous insulation, geological strata, and catalytic reactors. This is a self-contained presentation, requiring only routine classical mathematics and the basic elements of fluid mechanics and heat transfer. It will thus be of use not only to researchers and practising engineers as a review and reference, but also to graduates and others just entering the field. Applications discussed include such disparate topics as building insulation, energy storage, nuclear-waste disposal, coal and grain storage, chemical reactor engineering, groundwater flow, and stability of snow to avalanches. In this second edition the authors have added: discussions of compact heat exchangers and of tree networks; new material on external natural convection; descriptions of the effects of magnetic fields, of rotations, and of periodic heating; discussions of inclined gradients and of the solidification of alloys; and an extensive treatment of two-phase flows. An extensive list of references -- emphasising recent experimental work -- provides access to the current research literature.
Download or read book Proceedings written by and published by . This book was released on 1976 with total page 1014 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Rapporteurs' summaries": p. [xxxi]-cxxxii.
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1985 with total page 1148 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Handbook of Heat Transfer Fundamentals by : Warren M. Rohsenow
Download or read book Handbook of Heat Transfer Fundamentals written by Warren M. Rohsenow and published by McGraw-Hill Companies. This book was released on 1985 with total page 1442 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis CRREL Technical Publications, 1950-1975 by : Cold Regions Research and Engineering Laboratory (U.S.)
Download or read book CRREL Technical Publications, 1950-1975 written by Cold Regions Research and Engineering Laboratory (U.S.) and published by . This book was released on 1992 with total page 284 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Health, Safety, and Accident Management in the Chemical Process Industries by : Ann Marie Flynn
Download or read book Health, Safety, and Accident Management in the Chemical Process Industries written by Ann Marie Flynn and published by CRC Press. This book was released on 2001-10-02 with total page 677 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Analyzes health and hazard risk assessment in commercial, industrial, and refining industries. Emphasizes legal requirements, emergency planning and response, safety equipment, process implementation, and occupational and environmental protection exposure guidelines. Presents applicatoins and calculations for risk analysis of real systems, as well
Book Synopsis Progress in Heat and Mass Transfer by : Ernst Rudolf Georg Eckert
Download or read book Progress in Heat and Mass Transfer written by Ernst Rudolf Georg Eckert and published by Elsevier Science & Technology. This book was released on 1971 with total page 576 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Handbook of Heat and Mass Transfer: Heat transfer operations by :
Download or read book Handbook of Heat and Mass Transfer: Heat transfer operations written by and published by . This book was released on 1986 with total page 1478 pages. Available in PDF, EPUB and Kindle. Book excerpt:
