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Thermodynamic Analysis of Low-Temperature Power Generation Transcritical Rankine Cycle With R41 and CO2

Volume 3B: Oil and Gas Applications; Organic Rankine Cycle Power Systems; Supercritical CO2 Power Cycles; Wind Energy, 2014
The performances of the transcritical Rankine cycles using R41 and CO2 as working fluids for power generation with lower temperature renewable energy are analyzed respectively and presented in this paper. The results show that the R41 cycle displays better comprehensive performance than that of the CO2 cycle.
Jixiang Liao, Qun Zheng
openaire   +1 more source

Subatmospheric Vapor Pressures for Fluoromethane (R41), 1,1-Difluoroethane (R152a), and 1,1,1-Trifluoroethane (R143a) Evaluated from Internal-Energy Measurements

International Journal of Thermophysics, 1999
Vapor pressures were evaluated from measured internal-energy changes ΔU (2) in the vapor+liquid two-phase region. The method employed a thermodynamic relationship between the derivative quantity (∂U (2)/∂V) T , the vapor pressure p σ, and its temperature derivative (∂p/∂T)σ.
H. A. Duarte-Garza, J. W. Magee
openaire   +1 more source

Energetic and exergetic performance comparison of cascade refrigeration system using R170-R161 and R41-R404A as refrigerant pairs

Heat and Mass Transfer, 2018
A numerical study of cascade refrigeration system using two different refrigerant pairs, namely, R41–R404A and R170–R161 working under the same operating conditions has been presented in this paper. A computer code has been developed in Engineering Equation Solver software using the basic energy and exergy equations of cascade refrigeration system ...
Ranendra Roy, Bijan Kumar Mandal
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PVTx Measurements for the R116 + CO2 and R41 + CO2 Systems. New Isochoric Apparatus

Journal of Chemical & Engineering Data, 2005
A new isochoric apparatus was built for PVTx measurements in an extended temperature range from (210 to 360) K and at pressures up to 6.0 MPa. The setup was used to measure PVTx properties for the R116 + CO2 and R41 + CO2 systems, both in the two-phase and superheated vapor regions.
Giovanni Di Nicola   +3 more
openaire   +1 more source

Oral therapy for experimental coccidioidomycosis with R41 400 (ketoconazole), a new imidazole.

The American review of respiratory disease, 1978
Oral treatment of mice with R41 400, ketoconazole, after intranasal challange with arthrospores of Coccidioides immitis prevented death at doses of 40 mg per kg of body weight per day. Doses of 160 mg per kg of body weight per day during 50 to 100 days eradicated the fungus from the lungs, liver, spleen and kidneys of approximately one half of the ...
H B, Levine, J M, Cobb
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Small business technology transfer (STTR) phase I study (1 R41 MD006148-01) of an automated voice response (AVR) system to improve symptom management in neuro-oncology patients.

Journal of Clinical Oncology, 2012
e12500 Background: This STTR Phase 1 study focused on enhancing and improving the technology of a prior AVR system (Grant #R01 CA30724) to manage symptoms in cancer patients. Neuro-Oncology patients were enrolled to test our proof of concept (POC).
Sajeel A. Chowdhary   +5 more
openaire   +1 more source

MPEC 2024-R41 : 2024 RX

The Minor Planet Electronic Circulars contain information on unusual minor planets, routine data on comets and natural satellites, and occasional editorial announcements. They are published on behalf of Division F of the International Astronomical Union by the Minor Planet Center, Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A.
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EJEKTÖR GENLEŞTİRİCİLİ TRANSKRİTİK SOĞUTMA ÇEVRİMİNİN R744, R170 VE R41 İÇİN TERMODİNAMİK PERFORMANSI

2018
On yıldan fazla bir süredir sıkı çevresel yönetmeliklerin küresel ısınma potansiyeli değeri kısıtlamalarına uyan çevre dostu soğutkanları bulmaya yönelik önemli bir arayış sözkonusudur. Aday akışkanlar arasından R744 (karbondioksit veya CO2), R170 (etan) ve R41 (florometan) bu çalışmada parametrik olarak incelenmek için seçilmiştir.
ATMACA, Ayşe   +3 more
openaire   +1 more source

MPEC 2025-R41 : SCHEDULED POWER OUTAGES

The Minor Planet Electronic Circulars contain information on unusual minor planets, routine data on comets and natural satellites, and occasional editorial announcements. They are published on behalf of Division F of the International Astronomical Union by the Minor Planet Center, Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A.
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On the Spacelike Curves of R41

British Journal of Mathematics & Computer Science, 2016
M Akgun, A Sivridag
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