Energy Science and Technology
Improving energy efficiency and heat recovery performance in paper machine drying section

Shaaban Ghodbanan; Reza Alizadeh; Sirous Shafiei; Javad Rahbar Shahrouzi

Volume 14, Issue 1 , November 2024, , Pages 47-62

https://doi.org/10.22061/jcarme.2024.8365.2128

Abstract
  In this study, the energy assessment and heat recovery analysis of the multi-cylinder drying section were carried out in a fluting paper machine. The specific heat consumption per unit of paper was determined to be about 4.7 GJ/ton of paper and accordingly, the machine consumed about 1.71 tons of steam ...  Read More

Energy Science and Technology
Investigating the injection characteristics effect on the performance of diesel engine using an annular injector

Rasool Esmaelnajad; Navid Farrokhi

Volume 14, Issue 1 , November 2024, , Pages 77-91

https://doi.org/10.22061/jcarme.2024.9722.2307

Abstract
  Increasing the power and improving the performance of diesel engines is always considered by diesel engine manufacturers. Changing the geometry of the injector outlet orifice has a major impact on fuel-air mixing and combustion. In the current study, the geometry of the injector orifice is changed from ...  Read More

Energy Science and Technology
Unsteady state numerical study of carbon deposition on the performance of solid oxide fuel cell and variation of porosity

H. Khoshkam; K. Atashkari; M. Borji

Volume 12, Issue 2 , February 2023, , Pages 247-261

https://doi.org/10.22061/jcarme.2022.8347.2124

Abstract
  Carbon deposition has a serious effect on the failure mechanism of solid oxide fuel cells. A comprehensive investigation based on a two-dimensional model of a solid oxide fuel cell with the detailed electrochemical model is presented to study the mechanism and effects of carbon deposition and unsteady ...  Read More

Energy Science and Technology
Experimental study of melting of composite phase change materials used in honeycomb energy storage system

Ahmed F. Hasan; Salah N. Farhan

Volume 12, Issue 1 , August 2022, , Pages 31-40

https://doi.org/10.22061/jcarme.2022.8741.2175

Abstract
  Phase change materials have attracted a considerable attention in thermal energy storage research recently due to their thermal characteristic. Composite materials have great potential as one of the best alternative approach that would be utilized to increase the thermal performance of this sort of materials. ...  Read More

Energy Science and Technology
Performance analysis of a combined cooling, heating and power system based on micro gas turbine from the point of view of exergy

J. Pirkandi; A. Amiralaei; M. Omian

Volume 12, Issue 1 , August 2022, , Pages 77-93

https://doi.org/10.22061/jcarme.2021.7514.1999

Abstract
  In this research, a combined cooling, heating and power system (CCHP) has been analyzed from the perspective of entropy and exergy. The primary driver and the cooling system for this combined system consist of a micro gas turbine and a hot water lithium bromide single-effect absorption chiller, respectively. ...  Read More

Energy Science and Technology
Experimental investigation on constant-speed diesel engine fuelled with biofuel mixtures under the effect of fuel injection

I. Vinothkanna; K. Subramani; A. Devaraj

Volume 9, Issue 2 , February 2020, , Pages 225-233

https://doi.org/10.22061/jcarme.2018.3421.1387

Abstract
  The petroleum product has seen a drastic demand in the recent past. Biofuels are the only solution to overcome this power crisis. In the view of sustainable energy development, biodiesel and its additives have become the best options for fossil fuel-based engines. In this work, a biodiesel mix was used ...  Read More

Energy Science and Technology
Investigation of injection timing and different fuels on the diesel engine performance and emissions

Saeed Ahmadipour; Mohammad Hossein Aghkhani; Javad Zareei

Volume 9, Issue 2 , February 2020, , Pages 385-396

https://doi.org/10.22061/jcarme.2019.4143.1497

Abstract
  Start of fuel injection and fuel type are two important factors affecting engine performance and exhaust emissions in internal combustion engines. In the present study, a one-dimensional computational fluid dynamics solution with GT-Power software is used to simulate a six-cylinder diesel engine to study ...  Read More