Economic and environmental analysis of investing in solar water heating systems

A Şerban, N Bărbuţă-Mişu, N Ciucescu, S Paraschiv… - Sustainability, 2016 - mdpi.com
Solar water heating (SWH) systems can provide a significant part of the heat energy that is
required in the residential sector. The use of SWH systems is motivated by the desire to …

Numerical investigation on solar absorption chiller with LiBr-H2O operating conditions and performances

R Porumb, B Porumb, M Balan - Energy Procedia, 2017 - Elsevier
The study presents a numerical investigation on operating conditions and performances of a
solar absorption chiller with LiBr-H 2 O. The working cycle of the investigated solar cooling …

Baseline evaluation of potential to use solar radiation in air conditioning applications

R Porumb, B Porumb, M Bălan - Energy Procedia, 2016 - Elsevier
The study presents a global evaluation of the potential to use solar radiation in the air
conditioning with application to an office building located in Cluj-Napoca, Romania. The …

Orientation of facades for active solar energy applications in different climatic conditions

PV Unguresan, RA Porumb, D Petreus… - Journal of Energy …, 2017 - ascelibrary.org
This study presents an investigation concerning the conversion of solar radiation into heat,
cold, and electricity on the facades of virtual buildings located in four different cities that …

Performances of solar thermal collectors in different climatic conditions

OG Pop, AM Magurean, AG Pocola, M Ciocan… - … and Human Impact of …, 2021 - Springer
The chapter presents the fundamentals for performance evaluation of different types of solar
thermal collectors (STC): flat thermal collectors (FTC), evacuated thermal collectors (ETC) …

Potential of solar ORC and PV systems to provide electricity under Romanian climatic conditions

P Ungureşan, D Petreuş, A Pocola, M Bălan - Energy procedia, 2016 - Elsevier
The study presents a mathematical investigation on the potential to provide electricity of
different solar Organic Rankine Cycle systems and of a photovoltaic system. As input data …

Experimental study on the sun tracking ability of a spherical solar collector

F Gaspar, T Deac, LVF Tutunaru, D Moldovanu - Energy Procedia, 2016 - Elsevier
The present paper describes an experimental investigation on a spherical shape and flat
plate absorber exposed to sun without cover. The temperature of both absorbing surface has …

Simple modeling of the solar seasonal thermal storage behavior

PD Hiris, F Bode, OG Pop, MC Balan - Solar Energy Conversion in …, 2020 - Springer
The study presents a preliminary numerical investigation on the thermal behavior of a
ground buried cylindrical solar thermal energy storage tank, operating in a solar district …

Determination of optimal dimensions of fixed shadowing systems (pergolas) to reduce energy consumption in buildings in Romania

F Babota, DL Manea, C Aciu, C Munteanu… - Procedia …, 2018 - Elsevier
Depending on the season, the sun light entering a building has a varying impact upon the
energy consumption of the building. Thus, during winter, the sunlight reaching the façade of …

Comparative assessment of high efficiency flat solar thermal collectors' performances

M Ciocan, A Serban, A Dobrovicescu… - IOP Conference …, 2023 - iopscience.iop.org
The study investigates the performances of high efficiency flat solar thermal collectors, under
the climatic conditions of Galați, Romania. The same mathematical model was used to …