Impact of variation in input parameters on energy matrices of dual slope active solar desalting unit,Environmental Progress & Sustainable Energy

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Impact of variation in input parameters on energy matrices of dual slope active solar desalting unit
Environmental Progress & Sustainable Energy ( IF 2.8 ) Pub Date : 2024-02-13 , DOI: 10.1002/ep.14372
Hari Krishna ₁ , Jeeoot Singh ₁ , Vijay Kumar Dwivedi ₁ , Desh Bandhu Singh ₂

Affiliation

This article presents the relationship between energy matrices of a dual slope solar desalting unit integrated with a number (N) of photovoltaic thermal flat plate collectors (NPVTFPC-DSU) and the effect of variation in mass flow rate

({\dot{m}}_{fr}) $$ \left({\dot{m}}_{\mathrm{fr}}\right) $$

and N for a sustainable solar distillation. Although extensive research has been done on dual slope active solar desalting unit, however, the area of the impact of variation in

{\dot{m}}_{fr} $$ {\dot{m}}_{\mathrm{fr}} $$

and N on energy matrices of NPVTFPC-DSU remains still untouched. This study is an attempt to bridge the gap that has been highlighted. An exhaustive analysis is performed considering all types of climatic situations of New Delhi, India. MATLAB is used to calculate the overall energy, exergy, and energy matrices for NPVTFPC-DSU based on fundamental equations and relevant data as inputs. Concludingly, it is evident that there is a decrease in the value of energy payback period and life cycle conversion efficiency as the value of

{\dot{m}}_{fr} $$ {\dot{m}}_{\mathrm{fr}} $$

increases at a given value of N for

{\dot{m}}_{fr} $$ {\dot{m}}_{\mathrm{fr}} $$

≤ 0.10 kg s⁻¹. For

{\dot{m}}_{fr} > 0.10 $$ {\dot{m}}_{\mathrm{fr}}>0.10 $$

kg s⁻¹, the values remain constant. For NPVTFPC-DSU, 6 and 10 are the best and most favorable values of N as far as energy-based energy matrices and exergy-based energy matrices are concerned.

中文翻译：

输入参数变化对双斜率主动式太阳能淡化装置能量矩阵的影响

本文介绍了集成多个（N）个光伏热平板集热器（NPVTFPC-DSU）的双斜率太阳能淡化装置的能量矩阵与质量流量变化的影响之间的关系

（ {\dot{米}}_{FR} ） $$ \left({\dot{m}}_{\mathrm{fr}}\right) $$

N用于可持续的太阳能蒸馏。尽管对双斜率主动式太阳能淡化装置进行了广泛的研究，但是，变化影响的面积

{\dot{米}}_{FR} $$ {\dot{m}}_{\mathrm{fr}} $$

NPVTFPC-DSU 能量矩阵上的 N和N仍然保持不变。这项研究试图弥合所强调的差距。考虑到印度新德里的所有类型的气候情况，进行了详尽的分析。 MATLAB 用于根据基本方程和相关数据作为输入来计算 NPVTFPC-DSU 的总能量、火用和能量矩阵。总之，很明显，能源投资回收期和生命周期转换效率的值随着