Accumulator-Charged Drive for a Hydraulic Boom to Save Energy

Author(s):  
Xingui Liang ◽  
Tapio Virvalo

Improving energy utilization in hydraulic booms has been an important scheme for industries and designers due to energy cost, environmental requirements, etc. This paper presents accumulator-charged drive in a Loglift boom, which is driven by Electro-hydraulic Load-Sensing (ELS) system based a micro-controller. The practical measurement and simulation are carried out for different work situations. The energy transfer process for a typical duty cycle is calculated and compared. The experimental and theoretical results show that this drive can improve energy utilization. The validation of its experiment in an example hydraulic boom will encourage its further research for possible application.

Author(s):  
X Liang ◽  
T Virvalo

In this paper an energy recovery system for a hydraulic crane is presented. An assistant system with an accumulator is used to drive one joint of an example crane together with an electro-hydraulic load-sensing (ELS) system. The practical system is tested. The hydrostatic analysis of energy transfer is based on the experimental process and an assumed typical duty cycle. The experimental and theoretical results show that the application of the assistant system with the ELS crane system can recover and reutilize energy, save pump supply energy and improve energy utilization of the crane system. The success of its design and test in an example hydraulic crane will encourage its extension to different commercial applications in other lifting machinery.


2015 ◽  
Vol 10 (2) ◽  
pp. 2692-2695
Author(s):  
Bhekuzulu Khumalo

Heat has often been described as part of the energy transfer process. Information theory says everything is information. If everything is information then what type of information is heat, this question can be settled by the double slit experiment, but we must know what we are looking for. 


2015 ◽  
Vol 17 (48) ◽  
pp. 32297-32303 ◽  
Author(s):  
Xinhua Cao ◽  
Haichuang Lan ◽  
Zhenhua Li ◽  
Yueyuan Mao ◽  
Liming Chen ◽  
...  

A two-component light-harvesting organogel containing a naphthalimide-based gelator as a donor and a phosphorescent Ir(iii) complex as an acceptor was used to produce white-light-emitting organogels.


Author(s):  
L. Benatto ◽  
C. A. M. Moraes ◽  
G. Candiotto ◽  
K. R. A. Sousa ◽  
J. P. A. Souza ◽  
...  

Our results provide a simple relationship involving the driving force and binding energy of CT state to maximize charge generation in non-fullerene organic solar cells.


Sign in / Sign up

Export Citation Format

Share Document