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Keywords: heat exchanger
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Proceedings Papers

Proc. ASME. HT2020, ASME 2020 Heat Transfer Summer Conference, V001T11A016, July 13–15, 2020
Paper No: HT2020-9122
... can be fulfilled with the help of Thermal Energy Storage (TES) systems. Phase Change Material (PCM) is one of the best examples of TES system. This paper deals with experimental investigation on Chevron Plate Heat Exchanger (CPHE) filled with an organic PCM PureTemp 29. PCM offers efficient...
Proceedings Papers

Proc. ASME. HT2019, ASME 2019 Heat Transfer Summer Conference, V001T11A001, July 14–17, 2019
Paper No: HT2019-3406
... Abstract This paper presents a discretized enthalpy analysis of a FAME-MLL, NH3 plate-fin heat exchanger (PFHX) with single and two-phase flow. The paper outlines the methodology used to model the PFHX and presents a MATLAB simulation model, which uses the NIST REFPROP database for thermo...
Proceedings Papers

Proc. ASME. HT2009, Volume 3: Combustion, Fire and Reacting Flow; Heat Transfer in Multiphase Systems; Heat Transfer in Transport Phenomena in Manufacturing and Materials Processing; Heat and Mass Transfer in Biotechnology; Low Temperature Heat Transfer; Environmental Heat Transfer; Heat Transfer Education; Visualization of Heat Transfer, 861-869, July 19–23, 2009
Paper No: HT2009-88544
... Mechanical Engineering elective courses. Each of these elective courses is 3 credits; one of these credits must be design. For ME 436 Thermal Design of Heat Exchangers course, the students were assigned a project to meet the Accrediting Board of Engineering and Technology student outcome criteria a, b, c, d...
Proceedings Papers

Proc. ASME. HT2009, Volume 1: Heat Transfer in Energy Systems; Thermophysical Properties; Heat Transfer Equipment; Heat Transfer in Electronic Equipment, 727-735, July 19–23, 2009
Paper No: HT2009-88600
... Fouling has been a very serious problem in heat exchangers ever since their invention. It would require increasing heat exchanger nominal size by up to 30% to compensate for the losses in heat transfer due to fouling accumulation on the heat transfer surface. The large energy losses lead to more...
Proceedings Papers

Proc. ASME. HT2009, Volume 1: Heat Transfer in Energy Systems; Thermophysical Properties; Heat Transfer Equipment; Heat Transfer in Electronic Equipment, 637-646, July 19–23, 2009
Paper No: HT2009-88250
... The thermal model of a balance counter flow microchannel heat exchanger subjected to external heat transfer and axial heat conduction is modeled in this paper. Three governing equations are developed, one for each of the two fluids and the third for the wall separating the fluids. The ends...
Proceedings Papers

Proc. ASME. HT2009, Volume 1: Heat Transfer in Energy Systems; Thermophysical Properties; Heat Transfer Equipment; Heat Transfer in Electronic Equipment, 575-582, July 19–23, 2009
Paper No: HT2009-88164
... The impact of vortex generator (VG) arrays for air-side heat transfer enhancement is experimentally investigated by full-scale wind-tunnel testing of a plain-fin-and-tube heat exchanger. The VG array is deployed in a “V” to try to create a constructive interference between vortices. Each array...
Proceedings Papers

Proc. ASME. HT2009, Volume 1: Heat Transfer in Energy Systems; Thermophysical Properties; Heat Transfer Equipment; Heat Transfer in Electronic Equipment, 583-591, July 19–23, 2009
Paper No: HT2009-88167
... The effect of external heat transfer and internal heat generation on the thermal performance of a balanced counter flow microchannel heat exchanger is theoretically analyzed in this paper. External heat transfer occurs due to the thermal interaction between ambient and the fluids. Internal heat...
Proceedings Papers

Proc. ASME. HT2007, ASME/JSME 2007 Thermal Engineering Heat Transfer Summer Conference, Volume 2, 939-947, July 8–12, 2007
Paper No: HT2007-32181
... 07 04 2009 It has been proposed that compact ceramic heat exchangers can be used for high temperature, corrosive applications. This paper discusses the development and optimization of a microchannel heat exchanger for the decomposition of sulfuric acid as part of the hydrogen producing...
Proceedings Papers

Proc. ASME. HT2007, ASME/JSME 2007 Thermal Engineering Heat Transfer Summer Conference, Volume 1, 539-546, July 8–12, 2007
Paper No: HT2007-32914
... 07 04 2009 A three dimensional numerical simulation study has been carried out to predict air flow and temperature distribution in flat-tube heat exchangers. Due to the symmetry in geometrical construction, a section of heat exchanger has been considered for CFD analysis by using...
Proceedings Papers

Proc. ASME. HT2007, ASME/JSME 2007 Thermal Engineering Heat Transfer Summer Conference, Volume 1, 663-669, July 8–12, 2007
Paper No: HT2007-32488
... W. The heat was transferred to the evaporator by constructing a parallel flow heat exchanger. The study was conducted at a vertical orientation using distilled water as the working fluid. Exhaustive attempt has been done in analyzing the effect of various quantities of working fluid (120 gm, 125 gm...
Proceedings Papers

Proc. ASME. HT2008, Heat Transfer: Volume 2, 123-127, August 10–14, 2008
Paper No: HT2008-56469
... of heat dissipation for helical structure confirms the efficacy of the proposed design. Radiator core heat transfer forced convection helical structure heat exchanger Proceedings of 2008 ASME Summer Heat Transfer Conference HT2008 August 10-14, 2008, Jacksonville, Florida USA A D e outside...
Proceedings Papers

Proc. ASME. HT2008, Heat Transfer: Volume 2, 165-174, August 10–14, 2008
Paper No: HT2008-56305
... 10 07 2009 This paper analyzes the effect of axial heat conduction on the thermal performance of a balanced counter flow microchannel heat exchanger. The ends of the wall separating the coolants are subjected to the mixed-boundary condition. Analytical equations were developed...
Proceedings Papers

Proc. ASME. HT2005, Heat Transfer: Volume 1, 653-661, July 17–22, 2005
Paper No: HT2005-72711
... The performance of indirect thermal storage systems is critically dependent on the degree of thermal contact between the energy storage medium and the energy transfer medium. For liquid-liquid systems, the energy transfer occurs across a heat exchanger for which the overall effectiveness...
Proceedings Papers

Proc. ASME. HT2005, Heat Transfer: Volume 3, 555-561, July 17–22, 2005
Paper No: HT2005-72247
... This paper presents a three-dimensional numerical analysis of flow and heat transfer over plate fins in a compact heat exchanger used as a radiator in the automotive industry. The aim of this study is to predict the heat transfer and pressure drop in the radiator. FLUENT 6.1 is used...
Proceedings Papers

Proc. ASME. HT2005, Heat Transfer: Volume 2, 765-769, July 17–22, 2005
Paper No: HT2005-72219
... Experimental and numerical investigations on flow and heat transfer were conducted for louver-fin round-tube two-row heat exchangers. The airflow velocity ranged from 1 m/s to 3 m/s. A three-dimensional numerical method was developed by modeling representative cell units with fluid-solid...
Proceedings Papers

Proc. ASME. HT2005, Heat Transfer: Volume 2, 757-763, July 17–22, 2005
Paper No: HT2005-72184
... Now-a-day’s energy recovery process in the industry is a common practice for improving the production process while major concern goes to environment. The performance of the heat exchangers, used for the purpose of recovering energy, decreases continuously with time due to fouling depending...
Proceedings Papers

Proc. ASME. HT2005, Heat Transfer: Volume 4, 113-119, July 17–22, 2005
Paper No: HT2005-72402
... Computational simulations of a flow in the high temperature offset strip-fin heat exchanger to study the manufacturing geometrical effects (MGE) were conducted. The considered heat exchanger design is used in the cooling cycle in advanced nuclear reactors for hydrogen production by the sulfur...
Proceedings Papers

Proc. ASME. HT2005, Heat Transfer: Volume 4, 305-313, July 17–22, 2005
Paper No: HT2005-72041
... A formula is derived for the dependence of heat exchanger effectiveness on the number of transfer units for a spiral-plate heat exchanger with equal capacitance rates. The difference-differential equations that describe the temperature distributions of the two counter-flowing fluids, neglecting...
Proceedings Papers

Proc. ASME. HT-FED2004, Volume 2, Parts A and B, 175-184, July 11–15, 2004
Paper No: HT-FED2004-56053
.... These results are applicable to spiral-plate heat exchangers. 03 03 2009 spiral heat exchanger curved duct Dean number Proceedings of 2004 HTD/FED Joint Summer Conference 2004 ASME Heat Transfer/Fluids Engineering Summer Conference July 11-15, 2004, Charlotte, North Carolina, USA ABSTRACT...
Proceedings Papers

Proc. ASME. HT2003, Heat Transfer: Volume 2, 35-42, July 21–23, 2003
Paper No: HT2003-47098
... this result. A heat exchanger embedded into the pellets makes it an appealing alternative for high-efficiency low-emission heat production. In the present work, a numerical model is compared to experiments to provide a better understanding of heat extraction from a RFB. 18 12 2008 Filtration...