Results 31 to 40 of about 11,370,661 (203)

The effect of H2 purity on the combustion, performance, emissions and energy costs in an SI engine

open access: yes, 2020
This paper aims to examine the effect of hydrogen purity on the combustion, performance, NOx emissions and energy costs in a spark ignition engine. In accordance with this purpose, two commercial hydrogen gases of different purity (i. e.
H. Gürbüz
semanticscholar   +1 more source

Energy Management through Cost Forecasting for Residential Buildings in New Zealand [PDF]

open access: yes, 2019
Over the last two decades, the residential building sector has been one of the largest energy consumption sectors in New Zealand. The relationship between that sector and household energy consumption should be carefully studied in order to optimize the ...
Liu, Zhansheng   +2 more
core   +1 more source

PROBLEM OF FUEL POVERTY IN POLAND [PDF]

open access: yesAnnals of the Polish Association of Agricultural and Agribusiness Economists, 2018
The aim of the paper was to assess the level of energy poverty in Poland. In recent years the attemptswere made to define this phenomenon and treat it as a separate concept in relation to income poverty.Energy poverty is a difficulty in meeting basic ...
Marcin Wysokiński   +2 more
doaj   +1 more source

Energy efficiency vs. economic cost of cellular networks under co-channel interference [PDF]

open access: yes, 2015
In this paper we analyze the efficiency of cellular network designs, by taking into account the co-channel interference among cells, different amounts of available bandwidths, and frequency reuse. A realistic power consumption model is considered for the
Demo Souza, Richard   +4 more
core   +1 more source

Which firms benefit from investments in green energy technologies? – The effect of energy costs

open access: yesResearch Policy, 2019
Firms will invest in green energy technologies only if these investments have an economic pay-off. Based on unique firm-level data from Austria, Germany, and Switzerland, we find that the marginal effect of investments in green energy technologies on ...
Tobias Stucki
semanticscholar   +1 more source

ANALYSIS OF INTERACTION OF A CANTILEVER KNIFE BLADE WITH SOIL

open access: yesВестник СибАДИ, 2020
Introduction. In order to the road to be durable at the minimum necessary cost for its construction, the topsoil should be carefully removed without disturbing the soil located under the topsoil.
V. A. Nikolaev
doaj   +1 more source

Cryptographic Energy Costs are Assumable in Ad Hoc Networks [PDF]

open access: yes, 2009
Performance of symmetric and asymmetric cryptography algorithms in small devices is presented. Both temporal and energy costs are measured and compared with the basic functional costs of a device. We demonstrate that cryptographic power costs are not
Herrera Joancomartí, Jordi   +1 more
core   +1 more source

What drives total real unit energy costs globally? A novel LMDI decomposition approach

open access: yes, 2020
This paper presents a novel logarithmic mean Divisia index (LMDI) decomposition framework that is tailor-made for unit cost indicators. It adds four new models to the existing LMDI model family.
Oliver Kaltenegger
semanticscholar   +1 more source

INTERACTION ANALYSIS OF THE CONSOLE KNIFE SURFACE WITH THE SOIL

open access: yesВестник СибАДИ, 2020
Introduction. In Russia the use of cyclical equipment to remove the top layer of the soil is not feasible. The problem of the roads construction accelerating, improving their quality can be solved by applying a continuous action unit to form a litter ...
V. A. Nikolaiev
doaj   +1 more source

Energy-aware dynamic pricing model for cloud environments [PDF]

open access: yes, 2019
Energy consumption is a critical operational cost for Cloud providers. However, as commercial providers typically use fixed pricing schemes that are oblivious about the energy costs of running virtual machines, clients are not charged according to their ...
A Narayan, LA Barroso, M Hinz, MIT Green
core   +1 more source

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