The temperature rises of the oil film in hydrostatic bearings at high speed lead to a reduction
in load capacity, accuracy, and stability. In this paper, a superhydrophobic/oleophobic …

The aim of this study was to investigate the characteristic of increased pressure drop in
grooved straight pipes. The observation has been done at number of groove of 9, 25 and …

This investigation was performed to experimentally investigate the enhancement of heat
transfer and the friction of an annulus in a double pipe heat exchanger system with …

Thermal effectiveness was performed as preliminary research in shell and coiled tube heat
exchanger with addition of Al 2 O 3 nanoparticles. In the present study, the effect of small …

Optimal rectangular grooves number on internal wall surface of pipe for reducing pressure
drop and drag has been investigated experimentally. The change of pressure drop and drag …

Experimental studies were performed on grooved double pipe heat exchanger (DPHE) with
different groove space. The objective of this work is to determine optimal heat transfer …

Application of energy efficient chiller, compressor, air handling unit, evaporator etc are some
indicators of the energy conservation in Heating, Ventilating, and Air Conditioning (HVAC) …

Perpindahan panas pada double pipe heat exchanger dengan groove diteliti dengan
metode eksperimen di laboratorium. Penelitian ini bertujuan untuk mengungkap fenomena …

The approach temperature of heating process in double tube heat exchanger with Al2O3-
water nanofluid under turbulent flow regime have been studied. This investigation were …

With the increase of mean all season temperature in many cities and demand of hot water
for domestic used, high energy consumption of cooling system and electricity are rising …