Results 11 to 20 of about 36,782 (207)
Performance comparison of the single-refrigerant cascade refrigerating system
Energy Reports, 2022 In the food refrigeration industry, the single-stage compression refrigerating system cannot meet the operating conditions of a high-pressure ratio when the evaporating temperature decreases.
Zhili Sun +11 more
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High-resolution mapping of the physical conditions in two nearby active galaxies based on 12CO(1-0), (2-1) and (3-2) lines [PDF]
, 2010 We present a detailed analysis of high resolution observations of the three lowest CO transitions in two nearby active galaxies, NGC4569 and NGC4826. The CO(1-0) and (2-1) lines were observed with the Plateau de Bure Interferometer and the CO(3-2) line ...
A. J. Baker +65 more
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Effect of HFO Refrigerants on Lubrication Characteristics (Part 1)
Tribology Online, 2023 Focusing on hydrofluoroolefin (HFO) refrigerant, which is expected to be applied as a green refrigerant, the effect of R1234yf on the tribological characteristics was compared with hydrofluorocarbon (HFC) refrigerant R32.
Yuji Shitara, Shigeyuki Mori
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Spillovers across House Price Convergence Clubs: Evidence from the Polish Housing Market
Real Estate Management and Valuation, 2020 The aim of this study is to assess whether significant spillovers exist among house price convergence clubs in the Polish housing market. This paper is a continuation of my previous research on house price convergence in Poland.
Tomal Mateusz
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Designing displaced lunar orbits using low-thrust propulsion [PDF]
, 2010 The design of spacecraft trajectories is a crucial task in space mission design. Solar sail technology appears as a promising form of advanced spacecraft propulsion which can enable exciting new space science mission concepts such as solar system ...
Colin R. McInnes +9 more
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A survey on the computation of quaternions from rotation matrices [PDF]
, 2019 The parameterization of rotations is a central topic in many theoretical and applied fields such as rigid body mechanics, multibody dynamics, robotics, spacecraft attitude dynamics, navigation, 3D image processing, computer graphics, etc.
Sarabandi, Soheil, Thomas, Federico
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On Cayley's factorization with an application to the orthonormalization of noisy rotation matrices [PDF]
, 2019 The final publication is available at link.springer.comA real orthogonal matrix representing a rotation in four dimensions can be decomposed into the commutative product of a left- and a right-isoclinic rotation matrix.
Pérez Gracia, Alba +2 more
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Energies, 2020 Cryogen spray cooling (CSC) could be applied clinically for the laser therapy of Ota’s nevus, a dermal hyperplastic pigmented disease with a morbidity rate of 0.1–0.6% in the Asian population.
Jiameng Tian +3 more
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On blends R32/R134a and R32/R125: Thermodynamic and heat transfer aspects
International Journal of Energy Research, 2001 In this paper the author develops an algorithm on the basis of heat and thermodynamics theory, to predict data for film condensation on horizontal integral—fin tubes for R32/R134a and R32/R125 mixtures in 25/75, 50/50 per cent compositions by mass correspondingly.
openaire +1 more source
Case Studies in Thermal EngineeringZeotropic mixtures offer a promising strategy for enhancing the thermodynamic efficiency and economic feasibility of ocean thermal energy conversion (OTEC) systems.
Yanmei Zhang, Jiawei Deng, Zilong Deng
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