... Abstract Supercritical Carbon dioxide (sCO 2 ) Brayton cycle power blocks provide unique advantages for power generation through flexible operation and highly compact power plants. Gas cooler heat exchangers for sCO 2 power blocks are crucial to help maintain ideal conditions at the compressor...

... Abstract Thermal Management Systems (TMS) have been identified as one of the limiting factors in the design of future aircraft. A PCM heat exchanger could be added to TMS to help relieve the heat load on current technologies in aircraft. To date, compact PCM heat exchangers adapted for the use...

... humidifier fuel cell heat exchanger proton-exchange membrane Proceedings of the ASME 2022 Heat Transfer Summer Conference HT2022 July 11-13, 2022, Philadelphia, Pennsylvania HT2022-81691 MODELING AND SIMULATION OF WHOLE AIR SUPPLY SYSTEM FOR PROTONEXCHANGE MEMBRANE FUEL CELL UNDER DYNAMIC OPERATING...

... 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 performance in storing...

...-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-physical property evaluation. The paper presents analysis for a staged single-phase, two-phase...

... 23 02 2010 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...

... 23 02 2010 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...

... 23 02 2010 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...

... 23 02 2010 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...

... are required to take three 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...

... 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...

... 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...

... 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...

... 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...

... 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...

... 03 04 2009 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...

... 03 04 2009 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...

... 03 04 2009 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...

... 03 04 2009 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...

... Proceedings of HT2005 2005 ASME Summer Heat Transfer Conference July 17­22, 2005, San Francisco, California, USA Proceedings of HT2005 2005 ASME Summer Heat Transfer Conference July 17-22, 2005, San Francisco, California, USA 1 Copyright © 2005 by ASME drop through the entire heat exchanger system...