Author
Cyrus Aghanajafi
Bio: Cyrus Aghanajafi is an academic researcher from K.N.Toosi University of Technology. The author has contributed to research in topics: Heat transfer & Thermal conduction. The author has an hindex of 15, co-authored 88 publications receiving 759 citations.
Papers published on a yearly basis
Papers
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TL;DR: In this paper, a novel hybrid system based on absorption-recompression refrigeration system, compressed air energy storage (CAES) and wind turbines is proposed for using in retail buildings.
141 citations
TL;DR: Multi-effect evaporation thermal vapor compression desalination (ME-TVC) is coupled to gas turbine plant through HRSG, which presents a system with higher productivity.
82 citations
TL;DR: In this paper, a dual-purpose plant is modeled which consisted of a GT with and without an air preheater (APH), heat recovery steam generator (HRSG), and multi-effect evaporation thermal vapor compression desalination (METVC).
53 citations
TL;DR: In this article, a numerical dynamic model consisting of different solar photovoltaic panels of polycrystalline, monocrystalline and thin-film cells, batteries, inverter, and ground source heat pump (GSHP) was developed using the engineering equation solver and TRNSYS software.
53 citations
TL;DR: In this article, the effects of dispersed particles concentration, thermal dispersion coefficient and Reynolds number on thermal fields and on thermal performance of a single phase microchannel heat sink (MCHS) were investigated.
Abstract: Present investigation deals with appraising heat transfer enhancement of single phase microchannel heat sink (MCHS) by ultra fine Cu particle incorporation in base coolant fluid. The particle diameter is of nanometer size and base fluid in combination of nanoparticles is called nanofluid. Governing equations for fluid flow and heat transfer are based on well established “porous medium model” and accordingly, modified Darcy equation and two-equation model are employed. Appropriate equations for both fluid flow and heat transfer are derived and cast into dimensionless form. Velocity profile is obtained analytically and in order to solve conjugate heat transfer problem a combined analytical–numerical approach is employed. For heat transfer analysis, thermal dispersion model is adopted and latest proposed model for effective thermal conductivity – which considers the salient effect of interfacial shells between particles and base fluid – is integrated into model. The effects of dispersed particles concentration, thermal dispersion coefficient and Reynolds number are investigated on thermal fields and on thermal performance of MCHS. Additionally, the impact of turbulent heat transfer on heat transfer enhancement is considered.
47 citations
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02 Jan 2017
TL;DR: This paper provides an overview on the main additive manufacturing/3D printing technologies suitable for many satellite applications and, in particular, radio-frequency components.
Abstract: This paper provides an overview on the main additive manufacturing/3D printing technologies suitable for many satellite applications and, in particular, radio-frequency components. In fact, nowadays they have become capable of producing complex net-shaped or nearly net-shaped parts in materials that can be directly used as functional parts, including polymers, metals, ceramics, and composites. These technologies represent the solution for low-volume, high-value, and highly complex parts and products.
399 citations
TL;DR: This review article critically highlights the latest trends in energy storage applications, both cradle and grave and suggests and solutions in mitigating some of these challenges in order to improve the overall performance of these energy systems.
308 citations
TL;DR: In this article, the authors reviewed the use of nanofluids in electronics cooling considering several aspects such as liquid block type, numerical approach, nanoparticle material, energy consumption, and second law of thermodynamics.
221 citations
TL;DR: In this paper, heat transfer of a fin shaped microchannel heat sink (MCHS) cooled by Cu-water nanofluid is investigated and temperature distribution in solid section (fin) and fluid section (Cu-water) are obtained by porous media approach and least square method and the results are compared with numerical procedure.
205 citations
TL;DR: In this paper, different types of trigeneration systems are classified according to the prime mover, size and energy sequence usage, and a leveled selection procedure is subsequently listed in consecutive sections.
196 citations