Showing papers in "Case Studies in Thermal Engineering in 2017"
TL;DR: In this article, a thermodynamic modeling and optimization is carried out to compare the advantages and disadvantages of organic Rankine cycle (ORC) and Kalina cycle (KC) as a bottoming cycle for waste heat recovery from CGAM cogeneration system.
120 citations
TL;DR: In this paper, the authors investigated the effect of jet impingement on the corrugated absorber plate, through circular jets in a duct flow of solar air heater, and compared with conventional SFA on flat plat absorber.
97 citations
TL;DR: In this article, the authors investigated the heat and mass transfer in an unsteady two-dimensional squeezing flow of magnetohydromagnetic (MHD) radiative non-Newtonian Eyring-Powell fluid between two parallel infinite plates in the presence of heat generation/absorption, thermal radiation and Joule heating effect.
96 citations
TL;DR: The assessment results show that the PV technology investment is very promising in this site whereas the annual yield factor of the system is 1875.1 kW h/kW p, which shows great promise.
94 citations
TL;DR: In this article, the effect of Brownian motion and thermophoresis phenomenon and Lewis number on MHD nanofluid flow along with the heat transfer between two parallel plates was examined.
93 citations
TL;DR: In this paper, a small compression ignition (CI) engine with a rated power of 4.41kW has been tested in dual-fuel (diesel-biogas) mode without any significant modification.
76 citations
TL;DR: In this paper, an experimental investigation of an indirect solar dryer integrated with phase change material has been carried out for drying Valeriana Jatamansi in the Himalayan region, Solan (latitude − 30.91°N, longitude − 77.09°E), Himachal Pradesh (India).
75 citations
TL;DR: In this paper, a 100MW parabolic trough solar thermal power plant with 6h of thermal energy storage has been evaluated in terms of design and thermal performance, based on the System Advisor Model (SAM).
70 citations
TL;DR: In this article, an experimental investigation of varied mass charges of Liquefied Petroleum Gas (40, 50,g, 60,g and 70,g) enhanced with varied TiO 2 nanoparticle/mineral oil concentrations (0.2, 0.4, and 0.6) in a R134a compressor of a domestic refrigerator is presented.
69 citations
TL;DR: In this paper, the performance and emissions characteristics of a conventional diesel engine are verified experimentally using the combustion of a mixture of nanofluid (water and Al 2 O 3 ) and conventional diesel fuel.
68 citations
TL;DR: In this paper, the effect of alkaline and silane treatment of hemp fibers on mechanical and thermal conductivity was analyzed by infrared Fourier transform spectroscopy, X-ray diffraction, mechanical tensile test; and a scanning electron microscope.
TL;DR: In this paper, axial perforated twisted tape (PTTs) with various hole diameters are used instead of simple twisted tapes (STTs), and the variations of the effectiveness with number of transfer units (NTU) for different heat capacity ratios (C r ) were presented.
TL;DR: In this paper, an experimental performance analysis of minichannel water cooled-thermoelectric refrigerator is presented, which is composed of two thermoelectrics modules integrated with the minichannels heat sinks in its hot side and the heat dissipaters in its cold side.
TL;DR: In this article, the authors investigated the energetic performance of a solar cooling system using absorption technology under Moroccan climate and found that the system operating in Errachidia showed the best average annual solar fraction (of 30%) and COP (of 0.33) owing to the high solar capabilities of this region.
TL;DR: In this article, the effect of operational and geometrical parameters on the exergy efficiency of shell and helically coiled tube heat exchangers was investigated, and a correlation was developed to predict the efficiency for wide range of mass flow rates ratio (0.1
TL;DR: In this article, the authors investigated the entropy and convection in a three-dimensional cubical cavity with partially heated and cooled vertical walls using the finite volume method and found that the total entropy generation rate increases when the Rayleigh number increases.
TL;DR: In this paper, heat and mass transfer parameters (HMTPs) of three varieties of cocoyam slice and their vitamin B retention level in convective drying were investigated. And the results obtained show that the mass transfer coefficient for the three varieties lies between 1.01044×10−6 and 3.44876×10 −6, while the heat transfer coefficient ranged from 1.17973 to 3.58284
TL;DR: In this article, an experimental study on Nusselt number ( Nu rs ) and friction factor ( f rs ) of heat exchanger circular tube fitted with multiple square perforated with square wing twisted tape inserts is presented.
TL;DR: In this article, a multi-objective genetic algorithm was employed to find a set of optimum solution which was trade-off between pressure drop and heat transfer, and sensitivity analysis was performed to analyse the effect of geometrical parameters of heat exchanger on thermal and hydraulic performance.
TL;DR: In this article, the effect of operational and geometrical parameters on the thermal effectiveness of shell and helically coiled tube heat exchangers was investigated, where the working fluid of both sides is water, and its viscosity and thermal conductivity were assumed to be dependent on temperature.
TL;DR: In this paper, the friction factor and forced convection heat transfer of TiO2 nanoparticles dispersed in water in a car radiator was numerically determined, and four different nanofluid volume concentrations were used, and the resulting thermal properties were evaluated.
TL;DR: In this article, the authors investigated the effect of geometrical parameters of the heat exchanger including: tube diameter (dt), coil diameter (dc), diameter of the inlet of shell (dv), shell diameter (dsh), height of the coil (Hc), height-of-the-shell (Hsh), pitch (p), and distance between inlet and outlet of the shell (f) on the heat transfer rate and entropy generation.
TL;DR: In this paper, a two-dimensional numerical simulation of the melting process in a rectangular enclosure for different inclination angles, has been carried out, where Galium as a phase change material (PCM) with low Prandtl number is used.
TL;DR: In this paper, the characteristics of tangent hyperbolic fluid flow in the presence of both thermal radiation and thermal stratification effects are not discussed until now especially by way of an inclined cylindrical surface.
TL;DR: In this paper, transient and steady-state multiphysics numerical simulations are performed to investigate the thermal and electrical performances of a thermoelectric generator (TEG) module placed between hot and cold blocks.
TL;DR: In this paper, the effect of the thermal insulation layer location on wall dynamic thermal response rate was analyzed under continuous and intermittent operation of air-conditioning, and the results showed that the closer to the wall inner surface for the thermal layer, the lower the inner surface temperature and the higher the wall thermal response response rate.
TL;DR: In this article, a premixed burner originally designed for LPG was modified for producer gas, and its thermal performance in terms of axial and radial flame temperature distribution, thermal efficiency and emissions was investigated.
TL;DR: In this article, the main hygrothermal properties of five thermal insulation materials for buildings were compared and compared with glass wool, rock wool, expanded polystyrene, wood fiberboard and polyester fiberfill.
TL;DR: In this article, the behavior of the PV-PCM systems in realistic outdoor uncontrolled conditions to determine how effective they are were tried in the low latitude and hot climate of Banda Aceh, Indonesia, where both paraffin wax and beeswax were used as a phase change material.
TL;DR: In this paper, the authors employed the use of both numerical as well as experimental settings on the water flowing at lower Reynolds numbers in a corrugated tubes with spiral shape to evaluate the performance of heat in a newly designed corrugation style profile.