This study examines the impact of incorporating phase change material (PCM) in
photovoltaic thermal (PVT) systems on their electrical and thermal performance. Although …

The effect of different Ca-based additives in lignite on the sulfur removal during combustion
has been examined using two Polish lignites. After demineralization, the lignite was loaded …

This article discusses an ultrasonic technique for monitoring liquid flow. The mean velocity of
the flow behind an obstruction in the throttle type was measured using an ultrasonic flow …

The paper presents a mathematical model for studying series-parallel hydraulic systems.
The analytical approach is based on a set of non-linear algebraic equations solved using …

This study investigates the impact of changes in velocity profiles on the measurement
inaccuracies of gas flow streams detected by an ultrasonic flowmeter. The cross-sectional …

The article discusses the methodological aspects of system analysis of energy efficiency of
the oil and gas industry (OGI) enterprises. Modern OGI enterprises in large quantities …

Electricity is a crucial commodity for humankind. Population growth, industrial development,
and urbanization are key factors steering the electricity demand globally. The power supply …

This article discusses an ultrasonic technique for monitoring liquid flow. The mean velocity of
the flow behind an obstruction in the throttle type was measured using an ultrasonic flow …

This article discusses an ultrasonic technique for monitoring a liquid flow. An ultrasonic flow
meter was used to monitor the mean velocity of the flow behind an obstruction in the form of …

The article deals with the issues of digitalization of energy enterprises as representatives of
one of the most important sectors of the Russian economy, which determines the possibility …