Results 81 to 90 of about 15,086 (203)

Forced-flow once-through boilers [PDF]

open access: yes
A compilation and review of NASA-sponsored research on boilers for use in spacecraft electrical power generation systems is presented. Emphasis is on the heat-transfer and fluid-flow problems.
Gray, V. H.   +2 more
core   +1 more source

Experimental Study on the Robustness and Off-design Performances of R32 Heat Pump System

open access: yesZhileng xuebao
The effects of an expansion valve opening on the robustness and system performance of an R32 heat pump system under variable heat source inlet temperatures and hot-water inlet temperatures are studied.
Ju Fujun   +6 more
doaj  

Effect factors of part-load performance for various Organic Rankine cycles using in engine waste heat recovery [PDF]

open access: yes, 2018
The Organic Rankine Cycle (ORC) is regarded as one of the most promising waste heat recovery technologies for electricity generation engines. Since the engine usually operates under different working conditions, it is important to research the part-load ...
Feng, W   +5 more
core  

Self-pressurization of a spherical liquid hydrogen storage tank in a microgravity environment [PDF]

open access: yes
Thermal stratification and self-pressurization of partially filled liquid hydrogen (LH2) storage tanks under microgravity condition is studied theoretically. A spherical tank is subjected to a uniform and constant wall heat flux.
Hasan, M. M., Lin, C. S.
core   +1 more source

On the effect of the dynamic contact angle of a vapor embryo interface trapped in a nucleation site [PDF]

open access: yes, 2014
This paper was presented at the 4th Micro and Nano Flows Conference (MNF2014), which was held at University College, London, UK. The conference was organised by Brunel University and supported by the Italian Union of Thermofluiddynamics, IPEM, the ...
4th Micro and Nano Flows Conference (MNF2014)   +5 more
core  

High Carbon Stranded Steel SWRH82B Central Carbon  Segregation Control Practice

open access: yesTeshugang, 2019
For the high carbon SWRH82B steel strand drawing wire tip break and net carbon over standard defect,we studied the mechanism of carbon segregation in the center of 180 mm x 180 mm high carbon steel SWRH82B billet.
王文培   +5 more
doaj  

TO THE MATTER OF ACCOUNTING OF NON-UNIFORMITY OF HEAT OF SUPERHEAT OUTLET IN CRYSTALLIZER AT CONTINUOUS CASTING

open access: yesЛитьë и металлургия, 2007
It is offered to tale into account irregular character of the heat of superheat allocation in liquid cup of casting by criterion of nonuniformity of the heat of superheat discharge along perimeter of the solidification front.
E. B. Demchenko, E. I. Marukovich
doaj  

Research on radiation detectors, boiling transients, and organic lubricants [PDF]

open access: yes
The accomplishments of a space projects research facility are presented. The subjects discussed are: (1) a study of radiation resistant semiconductor devices, (2) synthesis of high temperature organic lubricants, (3) departure from phase equilibrium ...

core   +1 more source

Preliminary investigation of pressure influence on multiphase heat transfer report no. ii [PDF]

open access: yes
Pressure and surface condition in multiphase boiling heat ...
Davis, D. L.   +3 more
core   +1 more source

Nucleate pool boiling investigation on a silicon test section with micro-fabricated cavities [PDF]

open access: yes, 2009
The basic mechanisms of nucleate boiling are still not completely understood, in spite of the many numerical and experimental studies dedicated to the topic.
Hutter, C   +5 more
core  

Home - About - Disclaimer - Privacy