Effect of surface roughness on the mass flow rate predictions for adiabatic capillary tubes

TTM Rocha, CH de Paula, VM Cangussu… - International Journal of …, 2020 - Elsevier
In this paper, the effect of surface roughness on the mass flow rate through adiabatic
capillary tubes was analyzed. Initially, relevant information about the surface roughness of …

Flow characteristics of helical capillary tube for transcritical CO2 refrigerant flow

P Jadhav, N Agrawal, O Patil - Energy Procedia, 2017 - Elsevier
Helically coiled capillary tubes flow is characterized for transcritical CO 2 refrigerant
numerically, developing theoretical model established on fundamental equations of mass …

A comparative study in the straight and a spiral adiabatic capillary tube

P Jadhav, N Agrawal - International Journal of Ambient Energy, 2019 - Taylor & Francis
Numerical studies on straight and spiral capillary tubes are addressed for the CO2 and R22
refrigerant. A homogenous, one-dimensional steady-state adiabatic flow model is developed …

Numerical Study on Choked Flow of CO2 Refrigerant in Helical Capillary Tube

P Jadhav, N Agrawal - International Journal of Air-Conditioning and …, 2018 - World Scientific
This paper presents a numerical study on an adiabatic helical capillary tube employing
homogenous and choked flow conditions of a CO2 transcritical system. The theoretical …

Algebraic solution and experimental validation for adiabatic coiled capillary tubes operating in transcritical CO2 cycle

TTM Rocha, CH de Paula, JJG Pabon… - Applied Thermal …, 2020 - Elsevier
In this paper, an algebraic solution to study adiabatic coiled capillary tubes in transcritical
CO 2 cycle was proposed. This solution evaluated three different friction factors and three …

A comparative study of flow characteristics of adiabatic spiral and helical capillary tube in a CO2 transcritical system

P Jadhav, N Agrawal - International Journal of Ambient Energy, 2022 - Taylor & Francis
Flow characteristics of an adiabatic spiral and a helical capillary tube in a CO2 transcritical
system are numerically simulated. A homogeneous two-phase flow model is developed …

Study of homogenous two phase flow through helically coiled capillary tube

P Jadhav, N Agrawal - Advanced Science, Engineering and …, 2018 - ingentaconnect.com
This paper presents a numerical study of the flow characteristics of R22 refrigerant flowing
through adiabatic helically coiled capillary tube. The theoretical model is based on …

A review on flow characteristics of the straight and coiled capillary tubes

P Jadhav, N Agrawal - International Journal of Air-Conditioning and …, 2021 - World Scientific
A detailed literature review on the flow characterization of the capillary tubes is presented in
this paper. The flow behavior is reviewed for straight, helically, and spirally coiled capillary …

Experimental study of a CO2 direct-expansion solar-assisted heat pump operating with an adiabatic coiled capillary tube

TTM Rocha - 2020 - repositorio.ufmg.br
Bombas de calor são equipamentos usados para o aquecimento de ambientes, para o
fornecimento de água quente ou para outros fins de aquecimento. O número desses …

Comparative study on a straight and helical capillary tube for CO2 transcritical system

PL Jadhav, N Agrawal - Journal of Physics: Conference Series, 2020 - iopscience.iop.org
A comparative study on an adiabatic straight and helical capillary tube employing
homogenous flow conditions for a CO 2 refrigerant. The numerical model is based on the …