Results 121 to 130 of about 12,399 (244)

Application of Wavelet Packet Transform and Envelope Analysis to Non-stationary Vibration Signals For Fault Diagnosis of a Reciprocating Compressor [PDF]

Reciprocating compressors play a major role in manufacturing industries such as oil and gas refineries, petrochemical industrial plants, etc. Therefore, it is necessary to implement online condition monitoring for early and accurate detection of faults ...
Ball, Andrew, Feng, Guojin, Gu, Fengshou, Mones, Zainab, Ogbulafor, Ugonnaya E.   +4 more
core  

WORKING PARAMETERS EFFECTS OF AIR CAPACITY REGULATION SYSTEM FOR RECIPROCATING COMPRESSOR UNDER DIFFERENT LOAD CONDITIONS

Jixie qiangdu, 2019
Due to the fluctuations for high-pressure gas, the displacement of reciprocating air compressor needs to follow the change in requirements. At present, the regulating methods can be applied, including the refluxing regulation, the variable speed ...
WANG Meng, WANG Yao, ZHANG JinJie
doaj  

Experimental investigation of usage of POE lubricants with Al₂O₃, graphene or CNT nanoparticles in a refrigeration compressor. [PDF]

Beilstein J Nanotechnol, 2023
Dağıdır K, Bilen K.
europepmc   +1 more source

Study of an advanced General Aviation Turbine Engine (GATE) [PDF]

The best technology program for a small, economically viable gas turbine engine applicable to the general aviation helicopter and aircraft market for 1985-1990 was studied.
Curry, C. E., Gill, J. C., Humphrey, J. M., Orelup, M. J., Short, F. R., Staton, D. V., Vaught, J. M., Zolezzi, B. A.   +7 more
core   +1 more source

The mechanical design of a vapor compressor for a heat pump to be used in space [PDF]

, 1982
A heat pump developed for use in Spacelab as a stand-alone refrigeration unit as well as within a fluid loop system is discussed. It will provide an active thermal control for payloads.
Berner, F., Goetz, K., Oesch, H., Savage, C. J.   +3 more
core   +1 more source

Helium compressors for closed-cycle, 4.5-Kelvin refrigerators [PDF]

An improved helium compressor for traveling-wave maser and closed-cycle refrigerator systems was developed and is currently being supplied to the DSN. This new 5-hp compressor package is designed to replace the current 3-hp DSN compressors.
Hanson, T. R.
core   +1 more source

Status Monitoring and Predictive Maintenance of Reciprocating Compressor Based on GA-BP

Shiyou jixie
At a booster station,the existing compressor status monitoring system cannot effectively identify fault signals,but fail to provide warning before faults occur.To solve this problem,a reciprocating compressor status monitoring and prediction system for ...
Xu Mengzhuo, Liu Hangming, Yi Xianzhong, Zhou Yuanhua, Wan Jifang, Chen Lin, Cao Zeyu   +6 more
doaj  

A preliminary systems-engineering study of an advanced nuclear-electrolytic hydrogen-production facility [PDF]

An advanced nuclear-electrolytic hydrogen-production facility concept was synthesized at a conceptual level with the objective of minimizing estimated hydrogen-production costs.
Donakowski, T. D., Escher, W. J. D., Tison, R. R.   +2 more
core   +1 more source

Compact Claude cycle refrigerator for laboratory use [PDF]

, 1983
A Claude cycle refrigerator with a three stage reciprocating expansion engine is described. Instead of a cam mechanism, valves are driven directly by magnetic solenoids operated by means of a micro processor control system.
Baba, Y., Hiersaki, Y., Kaneko, M., Matsubara, Y., Munekata, T., Yasukochi, K.   +5 more
core   +1 more source

Carbon dioxide as the working fluid in heating and/or cooling systems [PDF]

, 2003
Despite vigorous research the use of carbon dioxide in the market is still relatively small. This is due to legislation, and technical difficulties of developing efficient, acceptable carbon dioxide ...
Fleming, J.S.
core